General Catalog
www.enetelus.jp
TABUCHI ELECTRIC CO.,LTD.
HEAD OFFICE
Nissay shin-osaka Bldg., 3-4-30 Miyahara, Yodogawa-ku, Osaka, 532-0003, Japan
TEL +81-6-4807-3520 FAX +81-6-4807-3521
TOKYO OFFICE
Kinsan Bldg., 3-18-3 Kanda Nishiki-cho, Chiyoda-ku, Tokyo, 101-0054, Japan
Solar Inverter General Catalog
TEL +81-3-5259-6250 FAX +81-3-5259-6251
CHUBU OFFICE
Terminal Plaza, 61 Shirakawa-cho, Toyohashi City, Aichi, 441-8021, Japan
TEL +81-532-34-4550 FAX +81-532-34-4551
TABUCHI ELECTRONICS INDUSTRY CO., LTD.
Wakakusa 1-1475, Otawara-city, Tochigi, 324-0021, Japan
TEL +81-287-22-3885 FAX +81-287-23-6090
TABUCHI ELECTRIC HONG KONG LTD.
Unit 2606, 26F, Miramar Tower, 132 Nathan Road, Tsimshatsui, Kowloon, Hong Kong
TEL:+852-2563-9100
DONG GUAN TABUCHI ELECTRIC CO., LTD.
No.2, Industrial Zone, Hetain Village Houjie Town, Dong Guan City,
Guangdong Province, China
TEL +86-769-8583-2800 FAX +86-769-8583-2801
SHANGHAI TABUCHI TRANSFORMER CO., LTD.
No.205, Fangsi RD., Si Jing District, Shanghai, 201601, China
TEL +86-21-576-36475 FAX +86-21-576-36852
THAI TABUCHI ELECTRIC CO., LTD.
88 Moo 5 Bangna-Trad Highway, Tambol Bangsamuk, Amphur Bangpakong,
Chachoengsao, 24180, Thailand
TEL +66-38-538-982 FAX +66-38-538-303
Solar Inverter
BANGKOK OFFICE
540 Mercury Tower, Unit 12A03 Floor 12A,
General Catalog
Ploenchit Road, Lumpini, Pathumwan, Bangkok, 10330, Thailand
TEL +66-02-658-5593 FAX +66-02-658-5594
VIETNAM TABUCHI ELECTRIC CO., LTD.
Lot I3, Dai Dong Hoan Son Industrial Park, Bac Ninh Province, Vietnam
TABUCHI ELECTRIC CO.,LTD.
TEL +84-241-384-7435 FAX +84-241-384-7437
KOREA TRANSFORMER CO., LTD.
8th floor, DDS building, Doksan-Dong, Geumcheon-Gu, Seoul, Korea
TEL +82-2-856-8951 FAX +82-2-864-2456
YANTAI DONGSHAN ELECTRIC CO., LTD.
Qixia Economic Development Zone,Yantai, Shandong, China
TEL +86-535-5573141 FAX +86-535-5573140
TABUCHI ELECTRIC COMPANY OF AMERICA, LTD.
357 Piercy Road, San Jose, CA, 95138, U.S.A.
TEL +1-408-224-9300
TORONTO OFFICE
151 Yonge Street, 11th Floor, Toronto, Ontario, Canada M5C 2W7
http://www.zbr.co.jp
ENE-E.2015.08.SK-7
Society faces the problem of balancing the supply and
demand of energy, as well as increasing environmental
problems. Consumers are looking for energy solutions
that combine three types of technology: energy creation,
energy conservation, and energy storage. Electric energy
is generated from natural sources and from fuel cells.
Energy conservation is achieved through the use of
rechargable batteries that store generated power that is
used when needed. The core of this energy management
system is the control device, the solar inverter. Through
products designed for this environmental era, Tabuchi
Electric is making further contributions to society.
Energy
Creation
Generation of
electric power
Energy
Energy
Storage
Conservation
Storage of
Effective use of
electric power
electric power
The History of the Tabuchi Electric Power Electronics Business
INDEX
Since its founding in 1925, Tabuchi Electric's core business has
been transformer products, and even now, Tabuchi is well known to
public as a transformer manufacturer.
In 1976, Tabuchi advanced into the power supply unit business with
a focus on the development and deployment of high-frequency
transformer technology.
With the deregulation of the electric power industry in 1995, we
began to develop the PV solar inverter, a culmination of experience
using transformer and power supply unit technology.
Since that time, for over 10 years, PV generation has attracted great
interest thanks to the support of the national government and local
municipalities, as well as a growth in environmental awareness.
During this period, Tabuchi Electric has continued production and
The Superiority of
P. 2
Installation Plan: Industrial
Product line up
P. 10
Display device for single-phase solar inverters
P.46
Display System for Industrial Products P.56
[Third-party Vendors]
External control systems
for three-phasesolar inverters
P.48
Installation Example: Residential
development of solar inverters. We have also accumulated and
expanded our knowledge of power electronics technology.
In 2005, in addition to our core consumeroriented business area,
Tabuchi Electric advanced into the heavy electrical and industrial
field. As a result, we are now able to respond to demands in both
consumer and industrial domains.
The knowledge we have accumulated in power electronics
technology over the past 10 years has found application in many
areas. It is our mission and responsibility to make use of this
technology for the global environment.
In 2011, following the ZEBRA transformers and power supply units,
we introduced
as our new brand of energy products.
P.54
Solar Inverter Selection
P.61
Frequently Asked Questions
P.62
P.50
Explanation of P.63
String Sizing of PV Panels
P.51
Accessories/Options
Multiple unit installation design
P.53
Terminology
P.64
1
The Superiority of
The Solar Age
PV systems are environmentally friendly and economical,
making them ideal for generating power. However, there are
currently a host of issues that need to be resolved, from the
3 Loss due to solar cell characteristics
Internal losses in a solar module are varied and linked to the imbalances between solar cells. Volatage imbalances are particularly apt
to occur when PV strings are connected in parallel. Current flowing from the higher voltage PV string to a lower voltage PV string
results in a voltage drop at the inverter input of the system.
A multi-string system controls voltage loss.
planning stage to post-installation.
4 Loss due to dirt on module surfaces
What You Should Know About Power Loss in PV Systems.
Dirt on the surface of the solar panels impedes the system's ability to receive sunlight. Rainfall does not wash away some types of dirt, so the
There are a number of factors underlying power loss. Let's explain each factor one by one.
the panels can reduce irradiation. Partial shading can affect the generation capacity of PV panels and cause loss similar to .
3
ability to maintain generation capacity is dependent on periodic cleaning. In particular, leaf litter and other foreign matter that has blown onto
A multi-string system minimizes loss due to dirt and partial shade.
Rated
output
power
5 Loss due to temperature increase
Actual output power
Typically, the conversion efficiency of solar cells decreases as the temperature rises. More power is
generated on cool spring or fall days than during the summer when there is a great deal of irradiation
Power loss
A good design practice provides plenty of airflow around PV panels.
1
2
3
4
5
6
7
8
Loss due to fluctuations in irradiance and weather
Loss due to installation tilt and azimuth
Loss due to solar cell characteristics
Loss due to dirt on module surfaces
Loss due to temperature increase
Loss due to intermediate device
Loss due to conversion efficiency of inverter
Loss due to malfunction shutdowns
6 Loss due to intermediary devices
Diodes are installed in junction boxes and panel boards to prevent reverse current damage to solar cell
modules. However, the operating power of these diodes and the heat generated when they run results in a
loss of power. Even more voltage conversion loss occurs when booster units are used. The anticipated
nameplate capacity will not be attained if the overall efficiency of the system is not taken into consideration.
Built-in junction boxes elinimate loss due to intermediary devices.
1 Loss due to fluctuations in irradiance and weather
7 Loss due to conversion efficiency of inverter
Since it is impossible to avoid fluctuations in insolation due to latitude and climate conditions, it is
Conversion efficiency does not account for all loss caused by the solar inverter. When the internal temperature
important to perform adequate simulations when developing the installation plan. Check regional
of the inverter increases, its efficiency decreases. Furthermore, a higer grid voltage may also decrease the
insolation information and other data to build a system that can dependably generate sufficient power
inverter efficiency. When the inverter is installed indoors, in an enclosed space, temperature monitoring is likely
under the anticpated conditions mentioned above.
to activate the cooling system. The inverter may shutdown without proper ventilation or cooling.
Outdoor installation reduces loss due to temperature increase.
2 Loss due to installation tilt and azimuth
With 100% irradiance at due south, irradiance decreases the more the panel orientation (azimuth)
2
8 Loss due to malfunction shutdowns
faces to the east or west. The optimum tilt (angle of inclination) for PV panels in Japan is roughly 30°
.
When panels or devices deteriorate or malfunction, the system must be stopped until repairs are made. The
Multi-string inverters offers more flexibility for PV system design.
longer it takes to detect a malfunction and complete repairs, the greater the decrease in power generated.
Even when panels malfunction, multi-string systems continue to generate power.
3
The Superiority of
Multi-string systems reduce power loss
Since a multi-string system can control the voltage input of each string, there is no need to adjust the
capacity as with central systems. Installation is simple, there is no need for junction boxes, booster units,
or any other such intermediary devices. Also, input connections can be made directly to the inverter
without causing intermediate losses. Multiple strings makes it possible to combine different types of solar
panels. Since devices can now be installed in locations that were previously impossible, installers can
make the most effective use of roof surface area for the generation of electric power.
(Actual data from the Tabuchi Electric Renewable Energy Research Center)
Comparison of generation capacity when snow melts
Solar inverter
String1
6panels
String3
10panels
DC/DC
converter
with MPPT
Inverter
String2
7panels
DC/DC
converter
with MPPT
Generation capacity[kW]
Grid
Generation amount increases! Power loss decreases!
Multi-entry system (Multi-string system)
Tabuchi Electric (Multi-string system)
Competitor (Central system)
Insolation strength
7
Inverter
DC/DC converter
Junction
box
10panels
0.8
6
5
0.7
0.6
In multi-string system, generation capacity recovers
starting from strings where the snow has disappeared.
4
0.5
0.4
In a central system, generation
capacity does not recover until
the snow has completely melted.
3
0.3
2
0.2
1
0.1
0
5:00
6:00
7:00
8:00
9:00
10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00
Insolation strength[kW/m2]
8
Booster
unit
5panels
Southside
is a significant difference in the recovery of power generation capacity between a
Booster
unit
5panels
Southside
The following chart shows the amount of generation the day after snowfall. There
multi-string system and a central system as the snow on the panels melts.
Some models contains
this unit in the solar
inverter itself.
Typical central system
The Multi-string Inverters: See the Difference!
Comparison Study: Generation capacity when snow melts
0
DC/DC
converter
with MPPT
Solar inverter
〈Built-in junction box, no need for a booster unit〉
*String-level monitoring is possible.
Maximum Power Point Tracking (MPPT)
3500
Since there are multiple input peaks* in a central
3000
inverter design, the maximum power point can be
2500
lost. However, with a multi-string inverter, MPPT
2000
control is used on each string, so it typically
1500
attains the maximum power point.
*The maximum power point is the peak of
the P-V (power-voltage) curve.
4
[W]
P1
[W]
P2
[W]
P3
[W]
Synthesis
[W]
11:00
13:00
1000
500
0
*This does not constitute a guarantee of power generation when snow has accumulated.
0
50 100 150 200 250 300 350[V]
5
The Superiority of
The Superiority of
Supports a wide variety of panels
Ease of maintenance & repair
Thanks to steady progress and technical innovation, new types of PV panels are
Solar panels degrade over their lifespan. Years of use and potential damage to the
constantly making inroads into the market.
panels may reduce their power output. The causes of these problems are not visible,
solar inverters are designed with a wide range of input parameters to
so output gradually declines. Loss will continue to occur until the problems are
support different types of PV panels.
discovered and repairs are made. Also, if a malfunctioning panel remains connected
The Tabuchi Electric Renewable Energy
to the system, it can have a negative impact on other panels. Timely maintenance is
Research Center evaluates new panels from
important to ensure consistent generation capacity. However, the multi-string solar
each manufacturer, collecting verified data by
inverter is designed to minimize loss and reduce the burden on customers as much
testing the panels under natural conditions for
as possible after installation.
a medium to long period of time.
Test combining PV panels and solar inverters
Steps taken to minimize loss
Solar Cells: Types & Characteristics
Solar cells are currently classified by the type of material they are made from.
Monocrystalline silicon
Crystal silicon
Polycrystalline silicon
Amorphous silicon
Microcrystalline silicon
In the
multi-string system, each string is independent of the other strings. Even if some panels in
a particular string malfunction, the other strings remain unaffected.
Since strings can be turned on and off individually, the malfunctioning string can be electrically isolated.
The system can continue to generate power until the malfunctioning string is repaired.
Silicon type
Multijunction III-V
(GaAs, etc.)
Solar cells
Compound type
○
○
○
○
×
Multijunction
Heterojunction
Minimizes generation loss by
quickly dectecting malfuntions.
CIS type
CIGS type
Does not impact other strings.
CdTe
DC/DC Converter with MPPT
DC/DC Converter with MPPT
Dye sensitization
DC/DC Converter with MPPT
Organic type
Inverter
DC/DC Converter with MPPT
DC/DC Converter with MPPT
Organic semiconductors
Solar Inverter
Type
Silicon type
Compound type
6
Features
Monocrystalline
Although monocrystalline solar cells excel in performance and reliability,
substrate prices are high.
Polycrystalline
These solar cells have polycrystalline silicon substrates. Although conversion rates are lower than
monocrystalline panels, these panels dominate the market because they are cheaper and easier to make.
Amorphous
This type of solar cell uses an amorphous silicon film on a glass substrate. Although conversion
efficiencies are less than crystalline systems, they can be mass produced for large surfaces.
Multi-contact type
Solar cells with multiple layers of silicon film. This method uses smaller amounts of silicon and lends itself to the mass production
of large surface areas. Since these panels absorb a wide band of wavelengths, they are more effiecient than amorphous solar cells.
CIS system
CIGS system
Solar cells made using copper, indium, gallium, selenium, and other compounds. They are thin so they conserve resources
and are easily mass produced. They offer high performance, so a great deal of work is being done on their development.
Also suitable for large-scale generation!
With
multi-string systems, panel generation data can be collected for each string so decreases in output can
be detected early on. Also, since exactly which panel is defective can be identified, maintenance can be performed
without delay. Therefore, loss is minimized when the system is shut down for routine maintenance or when a malfunction
occurs.
7
The Superiority of
For a safe and secure life
High frequency isolated transformer method
anticipates longterm use and utilizes high-frequency isolation transformer design.
Systems designed with
are reliable and dependable even when there is a lightning strike or
a problem with the grid.
Insulation is needed to
prevent ground faults
PV panels
The amount of static electricity between the
solar panels and the ground increases the risk of
activating the leakge breaker. The high
frequency isolated transformer method isolates
DC/DC
converter
Inverter
Earth leakage
breaker
the solar panels from the grid, protecting the
Grid
panels from thunderstorms or earthquakes that
cause large amounts of electric current
back-flow. Moreover, with the HF transformer
STOP
designed into the inverter, it is not necessary to
High Frequency Isolated Transformer Method
Solar Inverter
install external transformers.
PRODUCTS
Solar Inverters
STOP
Outdoor installation
is a solar inverter that is especially suited for outdoor installation in residential areas of Japan.
For that reason, we use a metal case that is extremely weather resistant.
are ideally suited for retrofitting existing homes.
Noise
(high frequency sound)
For wide use
indoors
Generates heat
Operational noise and high
frequency sound is unpleasant.
Solves problems related to
indoor installation!
Hard to find space indoors.
Conversion loss generates heat, causing
an increase in room temperature and a
decrease in solar inverter output.
Fits neatly on
installation on
an exterior wall.
Installation requirement
(single-phase solar inverters)
With the Bottom Cover (Option: Order production), the height
requirement for installation should not be less than 300mm
(not less than 500mm above the ground without the bottom cover).
Supported models
EPC-S40MP2-L
EPC-S55MP4-L
8
Bottom cover
Not less than 500mm
300mm
EPC-S49MP3-L EPC-S55MP3-L
EPC-S99MP5-L
9
PRODUCTS LINEUP
Product name
Feature
4.0kW
EPC-S40MP2-L
Output control
available
Multi grid
connection
certified
For FRT
project
4.9kW
EPC-S49MP3-L
Output control
available
Multi grid
connection
certified
For FRT
project
5.5kW
EPC-S55MP3-L
EPC-S55MP4-L
Output control
available
Multi grid
connection
certified
For FRT
project
Output control
available
Manual re-boot
possible
Multi grid
connection
certified
Single-phase 9.9kW
EPC-S99MP5-L
Three-phase 9.9kW
EPU-T99P5-SFL
Three-phase 25kW
EPU-T250P8-FPL
Hybrid Inverter PV:5.5kW Battery:9.89kWh
EHC-S55MP3B-PNH
EHC-S55MP3B-PNJ
Portable battery storage system
Battery:2.5kWh
ESC-B-S25B-LB
Portable battery storage system
Battery:5.0kWh
ESC-C-S50B-LB
10
Energy source
For FRT
project
Constant
power factor
control
Output control
available
Manual re-boot
possible
For FRT
project
Constant
power factor
control
Output control
available
Manual re-boot
possible
For FRT
project
Constant
power factor
control
Output control
available
Multi grid
connection
certified
For FRT
project
Compatible
with
ECHONET Lite
UPS
function
Applications
Installation condition Installation method
Solar
Home
Apartment
Solar
Home
Apartment
Solar
Home
Apartment
Facility
Power plant
Solar
Home
Apartment
Facility
Power plant
Solar
Facility
Factory
Power plant
Solar
Power plant
Battery
Home
Facility
Factory
Battery
Home
Facility
Factory
Display/Operation
Wall-mounted
2
High frequency
isolated transformer
Color LCD
remote controller
P.12
Outdoor
Wall-mounted
3
High frequency
isolated transformer
Color LCD
remote controller
P.16
Outdoor
Wall-mounted
3
4
High frequency
isolated transformer
Color LCD
remote controller
P.20
Outdoor
Wall-mounted
5
High frequency
isolated transformer
Color LCD
remote controller
P.24
Outdoor
Wall-mounted
Mount on the racking
5
High frequency
isolated transformer
Embedded in the chassis
Master box
P.28
Outdoor
Mount on the racking
8
Transformer-less
Embedded in the chassis
Master box
P.32
Floor-mounted
3
High frequency
isolated transformer
Color LCD
remote controller
P.36
Indoor
Floor-mounted
−
−
Unit panel
P.42
Indoor
Floor-mounted
−
−
Unit panel
P.44
Outdoor
Facility
Battery
Topology
Outdoor
(Battery unit must be
installed indoor)
Home
Solar
Number of strings
11
Energy source
4.0kW Solar Inverter
Applications
Home
Solar
*
Output control
available
Multi grid
connection
certified
Apartment
For FRT
project
*Output control cannot be operated manually. Only
operates by following the utility company's order.
*Remote controller for output control is necessary to
activate output control. (Output cannot be controlled
by the customer) (Please refer to P.47)
Specifications
Input (DC)
Max. input power per string
Max. input voltage
Operation voltage range /rated input voltage
MPPT voltage range
Min. input voltage / initial input voltage
Number of MPP tracker input / inputs
Max. input current per string
2150W
450V
80-450V/250V
80-450V
80V/100V
2
10.3A
Output (AC : Grid connected)
Connection phases
Conversion method
Rated output power*1
Rated AC voltage
Nominal AC voltage range
Rated output frequency
Rated output current
Power factor at rated output power
Distortion rate of the output current
Single-phase, 2-wire type (connected to single-phase, 3-wire wiring)
Voltage type current controller method
4000W
202V
190∼214V
50Hz,60Hz
20A
Over 0.99
Combined: less than 5%, Each: less than 3%
Output (AC : Stand alone)
Electrical mode
Conversion method
Rated output power
Rated output voltage
Single-phase 2-wire
Voltage type voltage controller method
1.5kVA
101V
Efficiency
Efficiency*2
Max. efficiency
94.0%
94.7%(In case of DC250V, 80% output)
Protection
Islanding operation detection:Passive
Islanding operation detection:Active
ZREM-35ENP01 (Required)
General Data
(Please refer to P.47)
Dimensions (W/H/D)
For residential use
Weight
Minimizes decreased generation output due to shade or dirt on the PV panels.
This multi-string system ensures PV power generation even in the event of a fault in a solar module or
string. Outdoor installation makes this system ideal for retrofitting existing homes. Access via the front
panel allows for easy installation.
This unit cannot be used as a high voltage system.
Operating temperature range
Noise (typical)*3
Internal consumption (night)
Topology
Cooling concept
Degree of protection (JIS)
DC terminal
2 2 individual MPPT tracking strings
Grounding terminal
5 No need for junction boxes or booster units
1: 5
Remote
controller
Solar
inverters
Stand-alone terminal
Display
A maximum of 5 solar inverters
can be connected with a remote
controller.
※See p. 47 for details about concurrent use with other models in combination.
487/681.5/200mm
23kg
Outdoor
−20℃∼+45℃ (Output controlled at 40℃ and above)
Less than 40dB
Less than 10W/Less than 20VA
High frequency isolated transformer method
Forced air cooling using a cooling fan
Equivalent to IP55
Features
1 Multi Grid Connection Certified/Output Control Available
4 For outdoor installation
12
Installation condition
AC terminal
3 Uses the high frequency isolated transformer method
Frequency change rate detection method
Frequency feedback method with step implantation
Remote controller
Cable (Remote controller)
Remote controller for output control
Terminal block (+,−)×2
Terminal block (U,O,W)
Terminal block (2 poles)
Terminal block (1 pole)
None
Required
Required
Interface
ZREM-35ENP01
RS-485
JET certification number
Applying now
*1 Value calculated when all strings were in use.
*2 Efficiency under the conditions defined in JIS C 8961
*3 According to A characteristics of JIS C1509-1 A, noise measurements are taken at a position, 1m away from the center of the front side of the solar inverter at 1m above the floor face.
Some specifications or aspects of appearance may be changed without notice to improve the product
13
EPC-S40MP2-L
4.0kW Solar Inverter
487
Dimensions
Unit:mm
200
Installation Diagram
Please refer the installation manual for further detail.
Current sensor
Distribution board
To standalone
receptacle
681.5
Sensor
unit
Standalone
AC100V
To breaker for
solar inverter
To breaker for
sensor unit
Commercial
grid
Remote
controller
Color LCD
remote controller
Sensor
Block Diagram
PV
String1
DC/DC converter
2150W max input
With MPPT control
Inverter circuit
Drive circuit
Snubber circuit
AC reactor
AC unit
EMI filter
protector circuit
Output
Grid
Configuration
Protector relays
String2
DC/DC converter
2150W max input
With MPPT control
Control circuit
Detector circuit
Power supply circuit
Cooling fan
115V
110V, 113V, 115V, 119V
OVR
Detection time limits
1.0 second
0.5 seconds, 1.0 second, 1.5 seconds, 2.0 seconds
AC undervoltage
Detection levels
80V
80V, 85V, 90V, 93V
UVR
Detection time limits
1.0 second
0.5 seconds, 1.0 second, 1.5 seconds, 2.0 seconds
Over frequency
Detection
levels
50Hz
51.0Hz
50.5Hz, 51.0Hz, 51.5Hz, 52.0Hz
60Hz
61.0Hz
60.5Hz, 61.0Hz, 61.5Hz, 62.0Hz
1.0 second
0.5 seconds, 1.0 second, 1.5 seconds, 2.0 seconds
50Hz
47.5Hz
49.5Hz, 49.0Hz, 48.5Hz, 48.0Hz, 47.5Hz, 47.0Hz
60Hz
57.5Hz
59.5Hz, 59.0Hz, 58.5Hz, 58.0Hz, 57.5Hz, 57.0Hz
1.0 second
0.5 seconds, 1.0 second, 1.5 seconds, 2.0 seconds
Breaker function delay after the power restoration
300 seconds
10 seconds, 150 seconds, 180 seconds, 240 seconds, 300 seconds
Voltage increase controller function
109V
107V∼ 112V (0.5V steps), off
Detection time limits
Sensor unit
Under frequency
UFR
*Required
Detection
levels
Detection time limits
Option
Islanding operation detection method
Passive Frequency change
method rate detection method
See P.64
for the model name.
14
Solar inverter
connector cable
3m*1 10m 20m
Remote controller connector cable
Sensor connector cable
10m*1 15m 20m
30m 50m
Sensor unit*2
(with current sensor)
Bottom cover*1
(→See P.8)
* 1 Order production
* 2 Sensor cable required
Setting ranges
Detection levels
OFR
Color LCD
remote controller
Setting values
AC overvoltage
Active
method
Frequency
feedback method
with step implantation
Setting values*
Setting ranges
Detection levels
1.2Hz
0.8, 1.0, 1.2, 1.4, 1.6,
Detection element
Frequency change
−
Parallel off time limit
Passive method / 0.5 second or less
Fixed
1.8, 2.0, 3.0, 4.0, 5.0Hz
Active method / 0.2 second or less
*Passive and active method action settings can not be set individually.
Some specifications or aspects of appearance may be changed without notice to improve the product
15
Energy Source
4.9kW Solar Inverter
Applications
Home
Solar
*
Output control
available
Multi grid
connection
certified
Apartment
For FRT
project
*Output control cannot be operated manually. Only
operates by following the utility company's order.
*Remote controller for output control is necessary to
activate output control. (Output cannot be controlled
by the customer) (Please refer to P.47)
Specifications
Input (DC)
Max. input voltage
2150W
450V
Operation voltage range /rated input voltage
80-450V/250V
MPPT voltage range
80-450V
80V/100V
Max. input power per string
Min. input voltage / initial input voltage
Number of MPP tracker input / inputs
Max. input current per string
3
10.3A
Output (AC : Grid connected)
Connection phases
Conversion method
Rated output power*1
Rated AC voltage
Nominal AC voltage range
Rated output frequency
Rated output current
Power factor at rated output power
Distortion rate of the output current
Single-phase, 2-wire type (connected to single-phase, 3-wire wiring)
Voltage type current controller method
4900W
202V
190∼214V
50Hz,60Hz
24.5A
Over 0.99
Combined: less than 5%, Each: less than 3%
Output (AC : Stand alone)
Electrical mode
Conversion method
Rated output power
Rated output voltage
Single-phase 2-wire
Voltage type voltage controller method
1.5kVA
101V
Efficiency
Efficiency*2
Max. efficiency
94.5%
94.7%(In case of DC250V, 55% output)
Protection
Islanding operation detection:Passive
Islanding operation detection:Active
ZREM-35ENP01 (Required)
General Data
(Please refer to P.47)
Dimensions (W/H/D)
For residential use
Weight
Installation condition
Minimizes decreased generation output due to shade or dirt on PV panels.
A multi-string system ensures a constant supply of generated power.
Outdoor installation makes this system ideal for retrofitting existing homes.
New design allows interior access via the removable front panel.
This unit cannot be used as a high voltage system.
Noise (typical)*3
Internal consumption (night)
Topology
Cooling concept
Degree of protection (JIS)
DC terminal
2 3 individual MPPT tracking strings
Grounding terminal
5 No need for junction boxes or booster units
1: 5
Remote
controller
Solar
inverters
Stand-alone terminal
Display
A maximum of 5 solar inverters
can be connected with a remote
controller.
※See p. 47 for details about concurrent use with other models in combination.
487/681.5/200mm
24kg
Outdoor
−20℃∼+45℃
(Output controlled at 40℃ and above)
Less than 40dB
Less than 10W/Less than 20VA
High frequency isolated transformer method
Forced air cooling using a cooling fan
Equivalent to IP55
Features
1 Multi Grid Connection Certified/Output Control Available
4 For outdoor installation
16
Operating temperature range
AC terminal
3 Uses the high frequency isolated transformer method
Frequency change rate detection method
Frequency feedback method with step implantation
Remote controller
Cable (Remote controller)
Remote controller for output control
Terminal block (+, −)×3
Terminal block (U, O, W)
Terminal block (2 poles)
Terminal block (1 pole)
None
Required
Required
Interface
ZREM-35ENP01
RS-485
JET certification number
MP-0065
*1 Value calculated when all strings were in use.
*2 Efficiency under the conditions defined in JIS C 8961
*3 According to A characteristics of JIS C1509-1 A, noise measurements are taken at a position, 1m away from the center of the front side of the solar inverter at 1m above the floor face.
Some specifications or aspects of appearance may be changed without notice to improve the product
17
EPC-S49MP3-L
4.9kW Solar Inverter
487
Dimensions
Unit:mm
200
Installation Diagram
Please refer the installation manual for further detail.
Current sensor
Distribution board
To standalone
receptacle
681.5
Sensor
unit
Standalone
AC100V
To breaker for
solar inverter
To breaker for
sensor unit
Commercial
grid
Remote
controller
Color LCD
remote controller
Sensor
Block Diagram
PV
String1
String2
String3
DC/DC converter
2150W max input
With MPPT control
Inverter circuit
Drive circuit
Power supply
circuit
AC reactor
AC unit
EMI filter
protector
保護回路
circuit
Output
Grid
DC/DC converter
2150W max input
With MPPT control
DC/DC converter
2150W max input
With MPPT control
Configuration
Protector relays
Control circuit
Detector circuit
Cooling fan
115V
110V, 113V, 115V, 119V
OVR
Detection time limits
1.0 second
0.5 seconds, 1.0 second, 1.5 seconds, 2.0 seconds
AC undervoltage
Detection levels
80V
80V, 85V, 90V, 93V
UVR
Detection time limits
1.0 second
0.5 seconds, 1.0 second, 1.5 seconds, 2.0 seconds
Over frequency
Detection
levels
50Hz
51.0Hz
50.5Hz, 51.0Hz, 51.5Hz, 52.0Hz
60Hz
61.0Hz
60.5Hz, 61.0Hz, 61.5Hz, 62.0Hz
1.0 second
0.5 seconds, 1.0 second, 1.5 seconds, 2.0 seconds
50Hz
47.5Hz
49.5Hz, 49.0Hz, 48.5Hz, 48.0Hz, 47.5Hz, 47.0Hz
60Hz
57.5Hz
59.5Hz, 59.0Hz, 58.5Hz, 58.0Hz, 57.5Hz, 57.0Hz
Detection time limits
Sensor unit
Under frequency
UFR
*Required
Detection
levels
Detection time limits
Option
1.0 second
0.5 seconds, 1.0 second, 1.5 seconds, 2.0 seconds
Breaker function delay after the power restoration
300 seconds
10 seconds, 150 seconds, 180 seconds, 240 seconds, 300 seconds
Voltage increase controller function
109V
107V∼ 112V (0.5V steps), off
Islanding operation detection method
Passive Frequency change
method rate detection method
See P.64
for the model name.
18
Solar inverter
connector cable
3m*1 10m 20m
Remote controller connector cable
Sensor connector cable
10m*1 15m 20m
30m 50m
Sensor unit*2
(with current sensor)
Bottom cover*1
(→See P.8)
* 1 Order production
* 2 Sensor cable required
Setting ranges
Detection levels
OFR
Color LCD
remote controller
Setting values
AC overvoltage
Active
method
Frequency
feedback method
with step implantation
Setting values*
Setting ranges
Detection levels
1.2Hz
0.8, 1.0, 1.2, 1.4, 1.6,
Detection element
Frequency change
−
Parallel off time limit
Passive method / 0.5 second or less
Fixed
1.8, 2.0, 3.0, 4.0, 5.0Hz
Active method / 0.2 second or less
*Passive and active method action settings can not be set individually.
Some specifications or aspects of appearance may be changed without notice to improve the product
19
Energy
Source
5.5kW Solar Inverter
Applications
Home
Solar
Apartment
*
Output control
available
Facility
Multi grid
connection
certified
Power plant
For FRT
project
*Output control cannot be operated manually. Only
operates by following the utility company's order.
*Remote controller for output control is necessary to
activate output control. (Output cannot be controlled
by the customer) (Please refer to P.47)
Specifications
Input (DC)
EPC-S55MP3-L
EPC-S55MP4-L
Max. input power per string
2150W
450V
80-450V/250V
80-450V
80V/100V
Max. input voltage
Operation voltage range /rated input voltage
MPPT voltage range
Min. input voltage / initial input voltage
Number of MPP tracker input / inputs
3
4
Max. input current per string
10.3A
Output (AC : Grid connected)
Connection phases
Single-phase, 2-wire type (connected to single-phase, 3-wire wiring)
Conversion method
Voltage type current controller method
5500W
202V
190∼214V
50Hz,60Hz
27.5A
Over 0.99
Combined: less than 5%, Each: less than 3%
Rated output power*1
Rated AC voltage
Nominal AC voltage range
Rated output frequency
Rated output current
Power factor at rated output power
Distortion rate of the output current
Output (AC : Stand alone)
Electrical mode
Conversion method
Rated output power
Rated output voltage
Single-phase 2-wire
Voltage type voltage controller method
1.5kVA
101V
Efficiency
Efficiency*2
Max. efficiency
94.5%
94.7%(In case of DC250V, 55% output) 94.6%(In case of DC250V, 80% output)
Protection
Islanding operation detection:Passive
Islanding operation detection:Active
ZREM-35ENP01 (Required)
General Data
(Please refer to P.47)
Dimensions (W/H/D)
For residential use
Weight
Installation condition
New 5.5kW single-phase inverter now with 3 MPPT.
Minimizes decreased generation output due to shade or dirt on the PV panels.
A multi-string system ensures a constant supply of generated power.
Outdoor installation makes this system ideal for retrofitting existing homes.
This unit cannot be used as a high voltage system.
Noise (typical)*3
Internal consumption (night)
Topology
Cooling concept
Degree of protection (JIS)
DC terminal
1 Multi Grid Connection Certified /Output Control Available
2 3 individual MPPT tracking strings
Grounding terminal
4 For outdoor installation
5 No need for junction boxes or booster units
1: 5
Remote
controller
Solar
inverters
487/681.5/200mm
24kg
26kg
Outdoor
−20℃∼+45℃
(Output controlled at 40℃ and above)
Less than 40dB
Less than 10W/Less than 20VA
High frequency isolated transformer method
Forced air cooling using a cooling fan
Equivalent to IP55
Features
AC terminal
3 Uses the high frequency isolated transformer method
20
Operating temperature range
Frequency change rate detection method
Frequency feedback method with step implantation
Terminal block (+, −)×3
Stand-alone terminal
Display
A maximum of 5 solar inverters can
be connected with a remote
controller.
※See p. 47 for details about concurrent use with other models in combination.
Remote controller
Cable (Remote controller)
Remote controller for output control
Interface
JET certification number
Terminal block (+, −)×4
Terminal block (U, O, W)
Terminal block (2 poles)
Terminal block (1 pole)
None
Required
Required
ZREM-35ENP01
RS-485
MP-0062
MP-0064
*1 Value calculated when all strings were in use.
*2 Efficiency under the conditions defined in JIS C 8961
*3 According to A characteristics of JIS C1509-1 A, noise measurements are taken at a position, 1m away from the center of the front side of the solar inverter at 1m above the floor face.
Some specifications or aspects of appearance may be changed without notice to improve the product
21
EPC-S55MP3-L/EPC-S55MP4-L
5.5kW Solar inverter
Dimensions
Unit:mm
200
Installation Diagram
681.5
487
Sensor unit
Purchased power meter
Sold power meter
Distribution board
Solar
Inverter
Please refer the installation manual for further detail.
Block Diagram
EPC-S55MP3-L
PV
String1
String2
String3
DC/DC converter
2150W max input
With MPPT control
Inverter circuit
Drive circuit
Power supply
circuit
AC
reactor
EPC-S55MP4-L
AC unit
EMI filter
protector circuit
Output
Grid
DC/DC converter
2150W max input
With MPPT control
PV
String1
String2
DC/DC converter
2150W max input
With MPPT control
Control circuit
Detector circuit
Cooling fan
String3
String4
Color LCD
remote controller
*Required
DC/DC converter
2150W max input
With MPPT control
Inverter circuit
Drive circuit
Power supply
circuit
AC
reactor
AC unit
EMI filter
protector circuit
Output
DC/DC converter
2150W max input
With MPPT control
DC/DC converter
2150W max input
With MPPT control
Configuration
Grid
Protector relays
Control circuit
Detector circuit
Cooling fan
DC/DC converter
2150W max input
With MPPT control
Sensor unit
115V
110V, 113V, 115V, 119V
OVR
Detection time limits
1.0 second
0.5 seconds, 1.0 second, 1.5 seconds, 2.0 seconds
AC undervoltage
Detection levels
80V
80V, 85V, 90V, 93V
UVR
Detection time limits
1.0 second
0.5 seconds, 1.0 second, 1.5 seconds, 2.0 seconds
Over frequency
Detection
levels
50Hz
51.0Hz
50.5Hz, 51.0Hz, 51.5Hz, 52.0Hz
60Hz
61.0Hz
60.5Hz, 61.0Hz, 61.5Hz, 62.0Hz
1.0 second
0.5 seconds, 1.0 second, 1.5 seconds, 2.0 seconds
50Hz
47.5Hz
49.5Hz, 49.0Hz, 48.5Hz, 48.0Hz, 47.5Hz, 47.0Hz
60Hz
57.5Hz
59.5Hz, 59.0Hz, 58.5Hz, 58.0Hz, 57.5Hz, 57.0Hz
Detection time limits
Sensor unit
Under frequency
UFR
Detection
levels
Detection time limits
Option
1.0 second
0.5 seconds, 1.0 second, 1.5 seconds, 2.0 seconds
Breaker function delay after the power restoration
300 seconds
10 seconds, 150 seconds, 180 seconds, 240 seconds, 300 seconds
Voltage increase controller function
109V
107V∼112V (0.5V steps), off
Islanding operation detection method
Passive Frequency change
method rate detection method
See P.64
for the model name.
22
Solar inverter
connector cable
3m*1 10m 20m
Remote controller connector cable
Sensor connector cable
10m*1 15m 20m
30m 50m
Sensor unit*2
(with current sensor)
Bottom cover*1
(→See P.8)
* 1 Order production
* 2 Sensor cable required
Setting ranges
Detection levels
OFR
Color LCD
remote controller
*Required
Setting values
AC overvoltage
Active
method
Frequency
feedback method
with step implantation
Setting values*
Setting ranges
Detection levels
1.2Hz
0.8, 1.0, 1.2, 1.4, 1.6,
Detection element
Frequency change
−
Parallel off time limit
Passive method / 0.5 second or less
Fixed
1.8, 2.0, 3.0, 4.0, 5.0Hz
Active method / 0.2 second or less
*Passive and active method action settings can not be set individually.
Some specifications or aspects of appearance may be changed without notice to improve the product
23
Energy Source
Single-phase 9.9kW
Solar Inverter
Applications
Home
Solar
Apartment
Facility
Power plant
*1
Output control Manual re-boot
available
possible
Multi grid
connection
certified
For FRT
project
2
Constant *
power factor
control
*1-1 Output control cannot be operated manually. Only
operates by following the utility company's order.
*1-2 Remote controller for output control is necessary
to activate output control. (Output cannot be controlled by the customer)(Please refer to P.47)
*2 Individual grid connect discussion with the utility
company is required to activate the constant power factor control.
Specifications
Input (DC)
Max. input voltage
2150W
450V
Operation voltage range /rated input voltage
80-450V/250V
MPPT voltage range
80-450V
80V/100V
Max. input power per string
Min. input voltage / initial input voltage
Number of MPP tracker input / inputs
Max. input current per string
5
10.3A
Output (AC : Grid connected)
Connection phases
Conversion method
Rated output power*1
Rated AC voltage
Nominal AC voltage range
Rated output frequency
Rated output current
Power factor at rated output power
Distortion rate of the output current
Single-phase, 2-wire type (connected to single-phase, 3-wire wiring)
Voltage type current controller method
9900W
202V
190∼214V
50Hz,60Hz
49.5A
Over 0.99
Combined: less than 5%, Each: less than 3%
Output (AC : Stand alone)
Electrical mode
Conversion method
Rated output power
Rated output voltage
Single-phase 2-wire
Voltage type voltage controller method
1.5kVA
101V
Efficiency
Efficiency*2
Max. efficiency
94.0%
94.7%(In case of DC250V, 55% output)
Protection
Islanding operation detection:Passive
Islanding operation detection:Active
General Data
ZREM-35ENP01(Required)
Installation condition
449/963/206mm
36kg
Outdoor
Operating temperature range
−20℃∼+45℃ (Output controlled at 40℃ and above)
Noise (typical)*3
Less than 44dB
Internal consumption (night)
Less than 10W/Less than 20VA*4
High frequency isolated transformer method
Forced air cooling using a cooling fan
Equivalent to IP55
Dimensions (W/H/D)
(Please refer to P.47)
For residential / small sized commercial solar system
Our multi-string solar inverters now have more capacity.
This slim profile solar inverter looks great on a home. A single unit can generate up to 9.9kW.
Outdoor installation makes this system ideal for retrofitting existing homes.
Moreover with our fastening screw structure on the front panel, it realizes ease of installation.
This unit cannot be used as a high voltage systsem.
Weight
Topology
Cooling concept
Degree of protection (JIS)
Features
DC terminal
80%~100%
Terminal block(+, −)×5
1 Multi Grid Connection Certified/Output Control Available
AC terminal
Terminal block (U,O,W)
Stand-alone terminal
2 5 individual MPPT tracking strings
Grounding terminal
Terminal block (2 poles)
Terminal block (1 pole)
None
Required
Required
3 Uses the high frequency isolated transformer method
4 For outdoor installation
5 Function of Manual Re-boot available
24
Frequency change rate detection method
Frequency feedback method with step implantation
1: 5
Remote
controller
Solar
inverters
Constant power factor control
Display
A maximum of 5 solar inverters
can be connected with a remote
controller.
※See p. 47 for details about concurrent use with other models in combination.
Remote controller
Cable (Remote controller)
Remote controller for output control
Interface
ZREM-35ENP01
RS-485
JET certification number
MP-0084
*1 Value calculated when all strings were in use.
*2 Efficiency under the conditions defined in JIS C 8961
*3 According to A characteristics of JIS C1509-1 A, noise measurements are taken at a position, 1m away from the center of the front side of the solar inverter at 1m above the floor face.
*4 30VA in case of manual re-boot
Some specifications or aspects of appearance may be changed without notice to improve the product
25
EPC-S99MP5-L
Single-phase 9.9kW Solar Inverter
449
Unit:mm
206
Installation Diagram
963
Dimensions
Distribution board
Purchased power meter
Sold power meter
Solar
inverter
Please refer the installation manual for further detail.
Block Diagram
PV
String1
String2
String3
String4
String5
DC/DC converter
2150W max input
With MPPT control
DC/DC converter
2150W max input
With MPPT control
Inverter circuit
Drive circuit
Power supply
AC reactor
AC unit
EMI filter
protector circuit
Output
Grid
DC/DC converter
2150W max input
With MPPT control
DC/DC converter
2150W max input
With MPPT control
DC/DC converter
2150W max input
With MPPT control
Configuration
Protector relays
Control circuit
Detector circuit
Cooling fan
Setting values
Detection levels
115V
110V, 113V, 115V, 119V
OVR
Detection time limits
1.0 second
0.5 seconds, 1.0 second, 1.5 seconds, 2.0 seconds
AC undervoltage
Detection levels
80V
80V, 85V, 90V, 93V
UVR
Detection time limits
1.0 second
0.5 seconds, 1.0 second, 1.5 seconds, 2.0 seconds
Over frequency
Detection
levels
50Hz
51.0Hz
50.5Hz, 51.0Hz, 51.2Hz, 51.5Hz, 51.8Hz, 52.0Hz
60Hz
61.0Hz
60.5Hz, 61.0Hz, 61.2Hz, 61.5Hz, 61.8Hz, 62.0Hz
1.0 second
0.5 seconds, 1.0 second, 1.5 seconds, 2.0 seconds
50Hz
47.5Hz
49.5Hz, 49.0Hz, 48.8Hz, 48.5Hz, 48.2Hz, 48.0Hz, 47.5Hz, 47.0Hz
60Hz
57.5Hz
59.5Hz, 59.0Hz, 58.8Hz, 58.5Hz, 58.2Hz, 58.0Hz, 57.5Hz, 57.0Hz
1.0 second
0.5 seconds, 1.0 second, 1.5 seconds, 2.0 seconds
Breaker function delay after the power restoration
300 seconds
1 second, 10 seconds, 150 seconds, 180 seconds,
Voltage increase controller function
109V
OFR
Detection time limits
Remote controller
*Required
Under frequency
Sensor unit
Setting ranges
AC overvoltage
UFR
Detection
levels
Detection time limits
240 seconds, 300 seconds, Manual reboot
Option
107V∼112V (0.5V steps), off
Islanding operation detection method
Passive Frequency change
method rate detection method
See P.64
for the model name.
26
Solar inverter
connector cable
3m*1 10m 20m
Remote controller connector cable
Sensor connector cable
10m*1 15m 20m
30m 50m
Sensor unit*2
(with current sensor)
Bottom cover*1
(→See P.8)
Active
method
Frequency
feedback method
with step implantation
Setting values*
Setting ranges
Detection levels
1.2Hz
0.8, 1.0, 1.2, 1.4, 1.6,
Detection element
Frequency change
−
Parallel off time limit
Passive method / 0.5 second or less
Fixed
1.8, 2.0, 3.0, 4.0, 5.0Hz
Active method / 0.2 second or less
*Passive and active method action settings can not be set individually.
* 1 Order production
* 2 Sensor cable required
Some specifications or aspects of appearance may be changed without notice to improve the product
27
Energy Source
Three-phase 9.9kW
Solar Inverter
Solar
Applications
Facility
Factory
Power plant
*1
Output control Manual re-boot
available
possible
For FRT
project
Constant *
power factor
control
2
*1 In order to activate the output control, this unit has
to be used with output controllable Master Box. (please refer P.48)
*2 Individual grid connect discussion with the utility company is required to activate the constant power factor control.
Specifications
Input (DC)
Max. input voltage
2170W
570V
Operation voltage range /rated input voltage
150-550V/250V
MPPT voltage range
150-550V
150V
Max. input power per string
Min. input voltage / initial input voltage
Number of MPP tracker input / inputs
Max. input current per string
5
10.3A
Output (AC : Grid connected)
Connection phases
Conversion method
Rated output power*1 *2
Rated AC voltage
Nominal AC voltage range
Rated output frequency
Rated output current
Power factor at rated output power
Distortion rate of the output current
Three-phase 3-wire (Compatible with three-phase 4-wire wiring)
Voltage type current controller method
9900W
202V
182-222V
50Hz,60Hz
28.3A
Over 0.95
Combined: less than 5%, Each: less than 3%
Output (AC : Stand alone)
Electrical mode
Conversion method
Rated output power
Rated output voltage
Single-phase 3-wire
Voltage type voltage controller method
2.0kVA×2
202V/101V
Efficiency
Efficiency*3
Max. efficiency
93.5%
93.7%(In case of DC300V, 60% output)
Protection
EOU-A-MBX01-L *1
(Please refer to P.48)
Islanding operation detection:Passive
Islanding operation detection:Active
General Data
Dimensions (W/H/D)
Weight
Installation condition
Operating temperature range
For Small to Medium Commercial Systems
Capable of generating power even during a grid outage, May be used as a power source.
For medium-scale commercial systems installing multiple inverters will maximize project scalability.
For FRT projects / Output control available (Master box is necessary in case of output control)
Stand-alone operation (AC 101V 2.0kVA x 2 outlets)
28
Voltage phase jump detection method
Synchronous high frequency injection method
Noise (typical)*4
Internal consumption (night)
Topology
Cooling concept
Degree of protection (JIS)
810.2/563.1/242.2mm
53kg
Outdoor
−20℃∼+50℃ (Output controlled at 40℃ and above)
Less than 51dB
Less than 11W/Less than 80VA
High frequency isolated transformer method
Forced air cooling using a cooling fan
Equivalent to IP55
Features
Constant power factor control
80%∼100%
DC terminal
Terminal block (+, −)×5
Terminal block (U,V,W)
Terminal block (U,O,W)
Terminal block (1 pole)
Yes
7-segment LED (Embedded in the chassis)
Master box (Optional)
AC terminal
Stand-alone terminal
Grounding terminal
Capable of string monitoring with optional measurement devices.
Contact point output circuit
Up to 30 inverter connections per line. (32 units maximum, when using Master Box.)
Controller
Networking control via Master Box(→See p. 48)
Interface
EOU-A-MBX01-L
RS-485
JET certification number
P-0226
Display
Master box for output control
* 1 Value calculated when all strings were in use.
* 2 When the Power factor is 1.0 during inverter operation.
* 3 Efficiency under the conditions defined in JIS C 8961
* 4 According to A characteristics of JIS C1509-1 A, noise measurements are taken at a position, 1m away from the center of the front side of the solar inverter at 1m above the floor face.
Some specifications or aspects of appearance may be changed without notice to improve the product
29
EPU-T99P5-SFL
Three-phase 9.9kW Solar Inverter
Unit:mm
Dimensions
Installation Diagram
External
External stop (OVGR)
Communication
Synchronous signal
(RS-485)
865(mounting holes)
242.2
563.1
430
(mounting holes)
810.2
Transducer unit
Mounting position
(Phranometer and
Thermometer connections)
133
4 mounting holes for M10
755
Three-phase3-wire
(grid connected) Single-phase 3-wire
(standalone)
Please refer the installation manual for further detail.
Block Diagram
PV
String1
String2
String3
String4
String5
DC/DC converter
2170W max input
With MPPT control
AC unit
EMI filter
protector circuit
Inverter circuit
Drive circuit
Snubber circuit
DC/DC converter
2170W max input
With MPPT control
DC/DC converter
2170W max input
With MPPT control
DC/DC converter
2170W max input
With MPPT control
DC/DC converter
2170W max input
With MPPT control
AC reactor
Output
Grid
Control circuit
Detector circuit
Power supply circuit
Inverter
protector
Protector relays
Grid
protector
Transducer unit
EOU-A-TDU01
(option)
Cooling fan
Configuration
Operating
panel
Pyranometer
Thermometer
External Communication (RS-485)
Synchronous signal
External Stop(OVGR)
Contact output(Operational Status)
Setting values
Detection levels
232V
220∼240V(1V steps)
OVR
Detection time limits
1.0 second
0.2∼2.0 seconds (0.1 second steps)
AC undervoltage
Detection levels
162V
160∼180V (1V steps)
UVR
Detection time limits
1.0 second
0.2∼2.0 seconds (0.1 second steps)
Over frequency
Detection levels
50Hz
51.0Hz
50.5∼51.5Hz (0.1Hz steps)
60Hz
61.2Hz
60.6∼61.8Hz (0.1Hz steps)
1.0 second
0.2∼2.0 seconds (0.1 second steps)
50Hz
48.5Hz
47.5∼49.5Hz (0.1Hz steps)
60Hz
58.2Hz
57.0∼59.4Hz (0.1Hz steps)
OFR
Detection time limits
Under frequency
Detection levels
UFR
Detection time limits
Option
Transducer unit EOU-A-TDU01
can't be used in case solar
radiationntensity and thermometer
are connected with master box.
30
1.0 second
0.2∼2.0 seconds (0.1 second steps)
Breaker function delay after
the power restoration
300 seconds
Automatic restoration 5∼300 seconds (1 second steps)
Manual restoration
Voltage increase controller function
225V
202∼240V(1V steps)
Islanding operation detection method
Transducer unit
EOU-A-TDU01
(→ See p. 49)
Master box *
EOU-A-MBX01-L
(→ See p. 48)
Super master box
EOU-A-SMB01-L
(→ See p. 49)
Setting ranges
AC overvoltage
Setting values
Setting ranges
Passive
method
Voltage phase jump
detection method
Detection levels
7°
5∼12°(1°steps)
Detection time limits
Less than 0.5 seconds
Fixed
Active
method
Synchronous high
frequency injection method
Detection
levels
50Hz
0.278 seconds
60Hz
0.231 seconds
Parallel off time limit
0.5∼1.0 seconds
Fixed
Fixed
* Necessary when the output control is required.(→ See P. 48)
Some specifications or aspects of appearance may be changed without notice to improve the product
31
Energy source
Applications
Solar
Power plant
Three-phase 25kW
Solar Inverter
*
Output control Manual re-boot
available
possible
For FRT
project
Constant
power factor
control
*In order to activate the output control, this unit has to be used with output controllable Master Box. (please refer P.48)
Specifications
Input (DC)
Rated input power per string
Max. input voltage
Operation voltage range /rated input voltage
MPPT voltage range
Min. input voltage / initial input voltage
Number of MPP tracker input / inputs
Max. input current per string
3250W
750V
100-750V/500V
100-660V
100V
8
10A
Output (AC : Grid connected)
Connection phases
Conversion method
Rated output power*1
Rated AC voltage
Nominal AC voltage range
Rated output frequency
Rated output current
Power factor at rated output power
Distortion rate of the output current
Three-phase 3-wire
Vector modulation method
25000W
440V
396-484V
50Hz,60Hz
34.4A
Over 0.95
Combined: less than 5%, Each: less than 3%
Efficiency
EOU-A-MBX03-L (Required)
(Please refer to P.48)
Efficiency*2
Max. efficiency*2
97.0%
97.8%(In case of DC670V, 50% output)
Protection
Islanding operation detection:Passive
Islanding operation detection:Active
Frequency change detective method
Frequency shifting method
General Data
Dimensions (W/H/D)
1350/480/300mm(Including mounting metal fittings)
For High Voltage Grid-tied Megawatt Systems
Weight
Our EneTelus Mega Value System is a space-saving distributed generation
system that is simple to install and maintain, and allows for detailed monitoring.
Operating temperature range
81kg
Outdoor
−20℃∼+50℃
(Output controlled at 40℃ and above)
Installation condition
Noise (typical)*3
Internal consumption (night)
Topology
Cooling concept
Degree of protection (JIS)
1 For FRT projects/Output control available
Features
2 DC cable cost is reduced with our distributed design inverter systems.
Constant power factor control
80%∼100%
DC terminal
Terminal block (+, −)×8
Terminal block (U,V,W)
Terminal block (1 pole)
Yes
7-segment LED (Embedded in the chassis)
Master box (Required)
3 Outdoor installation (IP65 compatible), passive cooling, and corrosion-resistant steel.
AC terminal
Grounding terminal
4 Installs below PV modules on racking system. Multi-string input does not require a combiner box.
Contact point output circuit
5 String-level monitoring allows easy fault detection.
Controller
Display
Master box for output control
Interface
32
Less than 45dB
Less than 20W/Less than 45VA
transformer-less
Fan-less-model provides passive cooling
Equivalent to IP65
EOU-A-MBX03-L
RS-485
* 1 When the Power factor is 1.0 during inverter operation.
* 2 Efficiency under the conditions defined in JIS C 8961
* 3 According to A characteristics of JIS C1509-1 A, noise measurements are taken at a position, 1m away from the center of the front side of the solar inverter at 1m above the floor face.
Some specifications or aspects of appearance may be changed without notice to improve the product
33
EPU-T250P8-FPL
Three-phase 25kW Solar Inverter
Unit:mm
Dimensions
Installation Diagram
Please refer the installation manual for further detail.
1300
(Mounting pitch)
250
450
480
(including metal fittings)
300
12
130
Mounting hall
for 4-M10
50
3-φ42
30
1350
(including metal fittings)
1250
2-φ34
50
External communication (RS-485)
External stop (OVGR)
Synchronous signal
Contact output
Three-phase3-wire
(grid connected)
Configuration
Block Diagram
PV
String1
String2
String3
String8
DC/DC converter①
Rated3250W input
With MPPT control
AC unit
EMI filter
protector circuit
Inverter circuit
Output
Grid
AC reactor
DC/DC converter②
Rated3250W input
With MPPT control
DC/DC converter③
Rated3250W input
With MPPT control
DC/DC converter⑧
Rated3250W input
With MPPT control
Setting values
Synchronous signal
Setting ranges
AC overvoltage
Detection levels
506V
484∼528V(1V steps)
OVR
Detection time limits
1.0 second
0.5∼2.0 seconds (0.1 second steps)
AC undervoltage
Detection levels
374V
352∼396V (1V steps)
UVR
Detection time limits
1.0 second
0.5∼2.0 seconds (0.1 second steps)
Over frequency
Detection levels
50Hz
51.0Hz
50.5∼52.0Hz (0.1Hz steps)
60Hz
61.0Hz
60.5∼62.0Hz (0.1Hz steps)
1.0 second
0.5∼2.0 seconds (0.1 second steps)
50Hz
48.5Hz
46∼49.5Hz (0.1Hz steps)
60Hz
58.5Hz
56∼59.5Hz (0.1Hz steps)
1.0 second
0.5∼2.0 seconds (0.1 second steps)
OFR
Control circuit
Detector circuit
Detection time limits
Under frequency
Detection levels
UFR
Grid protector
External stop
(OVGR)
Communication
External communication
(RS-485)
Breaker function delay after
the power restoration
300 seconds
Automatic restoration 5∼300 seconds (1 second steps)
Manual restoration
Contact output A
(Grid error detection)
Voltage increase controller function
484V
440∼496V (1V steps)
Contact output B
(System error detection)
Islanding operation detection method
Operating panel
Master box
34
Protector relays
*Required
Detection time limits
Setting values
Setting ranges
Passive
method
Frequency change
detection method
Detection levels
0.4Hz
0.05∼2.00Hz
Detection time limits
Less than 0.5 seconds
Fixed
Active
method
Frequency shifting
method
Detection levels
1.0Hz
Fixed
Parallel off time limit
0.5∼1.0 seconds
Fixed
Some specifications or aspects of appearance may be changed without notice to improve the product
35
Specifications
Energy sources
Applications
EHC-S55MP3B-PNH
Input (DC : Photovoltaic)
Max. input power per string
Max. input voltage
Hybrid Solar Inverter
with Embedded Battery
Battery
Home
Multi grid
connection
certified
For FRT
project
Solar
Output control
available
Facility
Compatible
with
ECHONET Lite
Operation voltage range /rated input voltage
Min. input voltage / initial input voltage
Number of MPP tracker input / inputs
Max. input current per string
Charge/Discharge(DC : Battery)
Compatible battery model
EOC-LB100-PN *1
Storage capacity
Minimum 9.48kWh (Typical 9.89kWh)
1 circuit
1.5kW *2
2.0kW *2
Grid connected operation: PWM method by power command (Constant current, constant voltage control)
Standalone operation: Bus voltage stabilization PWM method (Constant current, constant voltage control)
Number of input circuit
Charge energy
Discharge energy
In case of black-outs it could be also used as a
standalone system. Our line-up includes 2types.
The system includes the inverter and the racking-unit.
EHC-S55MP3B-PNH [ORDER PRODUCTION]*6
Manual On/Off mode
In case of black-outs/power restoration of the grid, the
system could be turned ON/OFF with the remote controller.
As the ordinary solar inverter the load circuit could be
designed on the customer side.
EHC-S55MP3B-PNJ
Automatic mode
Conversion method(Charge)
Conversion method(Discharge)
Grid connected operation: PWM method by power command / Standalone operation: Bus voltage stabilization PWM method
Output (AC : Grid connected)
Single-phase, 2-wire type (connected to single-phase, 3-wire wiring)
Voltage type current controller method
5500W
202V
160-238V
50Hz,60Hz
27.5A
Over 0.95
Combined: less than 5%, Each: less than 3%
Connection phases
Conversion method
Rated output power*3
Rated AC voltage
Nominal AC voltage range
Rated output frequency
Rated output current
Power factor at rated output power
Distortion rate of the output current
When the system detects black-out the system will
automatically switch its mode to stand-alone. And when the
power is restored the system will automatically switch to
grid-connected mode.
EHC-S55MP3B-PNJ
2150W
450V
80-450V/250V
80V/100V
3
10.3A
Output (AC : Stand alone)
Single-phase 2-wire
Voltage type voltage controller method
Max.2.0kVA
101V±5V
Electrical mode
Conversion method
Rated output power
Rated output voltage
Efficiency (Solar)
Efficiency*3
92.5%
93.0%(In case of DC250V, 50% output)
Max. efficiency
Protection
Frequency change rate detection method
Frequency feedback method with step implantation
Islanding operation detection:Passive
Islanding operation detection:Active
General Data
Operating temperature range (Inverter)
580/1000/250mm
580/450/250mm
580/600/551.5mm *Includes the castor wheels
Approxmately 60kg
Approxmately 13kg Approxmately 17kg
Approxmately 110kg
Outdoor(Battery unit must be installed indoor)
−20℃∼+40℃
Operating temperature range (Battery)
0℃∼+40℃
Main unit dimensions (W/H/D)
Special rack dimensions (W/H/D)
Battery dimensions (W/H/D)
ZREM-35ENB02
Main unit weight
Special rack weight
Battery weight
Installation condition
EOC-LB100-PN
(Compatible battery model)
The smart way to use electric power
Storage batteries are an effective way to store solar power and facilitate utility rate
"peak cutting". Batteries may be charged from the grid or PV array.
Patented software prevents arbitrage of power export from battery to grid.
TBD
Less than 40W/Less than 70VA
High frequency isolated transformer method
Forced air cooling using a cooling fan
Equivalent to IP55
Noise (typical)*4
Internal consumption (night)
Topology
Cooling concept
Degree of protection (JIS)
Features
DC terminal
Terminal block (+, −)×4
AC terminal
Terminal block (U,O,W)
Terminal block (2 poles)
Stand-alone terminal
1 Hybrid system combining PV generation and Lithium-ion storage batteries
Grounding terminal
2 Outdoor installation
Remote controller
3 Prevents back-flow of power from storage batteries from the grid
Interface
4 Bidirectional inverter facilitates battery charging from either the grid or PV array
36
Terminal block (2 poles)
None
Accessory
Required
RS-485
MD-0009
Display
Cable (Remote controller)
Certification
* 1 The inverter is designed for the battery (EOC-LB100-PN)
* 2 Limited periods of maximum output.
* 3 Value calculated when all strings were in use.
* 4 Efficiency under the conditions defined in JIS C 8961
* 5 According to A characteristics of JIS C1509-1 A, noise measurements are taken at a position,
1m away from the center of the front side of the solar inverter at 1m above the floor face.
* 6 Order production
Since this product is currently under development, changes in specifications or appearance may be made without notice.
37
EHC-S55MP3B-PNH
EHC-S55MP3B-PNJ
Hybrid Solar Inverter with Embedded Battery
Units:mm
Dimensions
EOC-LB100-PN
250
EHC-S55MP3B-PNH
EHC-S55MP3B-PNJ
Installation Diagram
580
Distribution board
580
Sensor unit
1000
600
Purchased power meter
Sold power meter
530
Color LCD remote
controller
(21.5)
Solar
Inverter
450
Storage battery unit
Please refer the installation manual for further detail.
Block Diagram
Configuration
Protector relays
PV
String1
String2
String3
Storage
battery unit
DC/DC converter
2150W max input
With MPPT control
DC/DC converter
2150W max input
With MPPT control
AC unit
EMI filter
protector circuit
Inverter circuit
Drive circuit
Snubber circuit
AC reactor
Output
Grid
115V
110V, 113V, 115V, 119V
OVR
Detection time limits
1.0 second
0.5 seconds, 1.0 second, 1.5 seconds, 2.0 seconds
AC undervoltage
Detection levels
80V
80V, 85V, 90V, 93V
UVR
Detection time limits
1.0 second
0.5 seconds, 1.0 second, 1.5 seconds, 2.0 seconds
Over frequency
Detection
50Hz
51.0Hz
50.5Hz, 51.0Hz, 51.5Hz, 52.0Hz
OFR
levels
60Hz
61.0Hz
60.5Hz, 61.0Hz, 61.5Hz, 62.0Hz
1.0 second
0.5 seconds, 1.0 second, 1.5 seconds, 2.0 seconds
Detection time limits
Under frequency
Detection
50Hz
47.5Hz
49.5Hz, 49.0Hz, 48.5Hz, 48.0Hz, 47.5Hz, 47.0Hz
levels
60Hz
57.5Hz
59.5Hz, 59.0Hz, 58.5Hz, 58.0Hz, 57.5Hz, 57.0Hz
Stand-alone
output
UFR
Bidirectional
DC/DC converter
Emergency
distribution
board
Color LCD
remote controller
*Accessory
Cooling fan
Detection time limits
1.0 second
0.5 seconds, 1.0 second, 1.5 seconds, 2.0 seconds
Breaker function delay after the power restoration
300 seconds
10 seconds, 150 seconds, 180 seconds, 240 seconds, 300 seconds
Voltage increase controller function
109V
107V∼112V (0.5V steps), off
Islanding operation detection method
Passive Frequency change
method rate detection method
Sensor unit
*Accessory
Setting ranges
Detection levels
DC/DC converter
2150W max input
With MPPT control
Control circuit
Detector circuit
Power supply circuit
Setting values
AC overvoltage
Active
method
Frequency
feedback method
with step implantation
Setting values*
Setting ranges
Detection levels
1.2Hz
0.8, 1.0, 1.2, 1.4, 1.6,
Detection element
Frequency change
−
Parallel off time limit
Passive method / 0.5 second or less
Fixed
1.8, 2.0, 3.0, 4.0, 5.0Hz
Active method / 0.2 second or less
*Passive and active method action settings can not be set individually.
38
Since this product is currently under development, changes in specifications or appearance may be made without notice.
39
EHC-S55MP3B-PNH
EHC-S55MP3B-PNJ
Hybrid Solar Inverter with Embedded Battery
Three Operating Modes-Normal, Energy-saving, and Storage
❶ Normal mode
The most economical daily use of electric power is through the charging and discharging of storage batteries.
This mode prioritizes selling PV-generated power during the day and uses the power stored in the battery to
cover the household load in the evening when demand is high. The battery is charged overnight when power
rates are low to compensate for the power used during the daytime and the evening.
After solar power is
generated and used for
the household load,
surplus power is sold to
the power company.
In the evening, power is
discharged from the
storage battery to cover
power shortages during
peak load.
2015/ 5/ 1 12:00
5
Power is purchased from
the power company and
used in the home, while
power is stored in the
storage battery.
2015/ 5/ 1 22:00
❷ Energy-Saving Mode
This mode increases energy savings by increasing the amount of self-generated power, reducing
purchasing from the grid. This mode stores surplus PV-generated power during the daytime and
discharges power in the evening and overnight to cover the household load.
07:00-23:00:
PV generation > Household load → Power selling
PV generation < Household load → Discharge from storage battery
23:00-07:00: Nighttime charge 1.5kW
Household load
PV generation
3
Power selling
2.5
Nighttime charge 1.5kW
2
Power purchase
when exceeded 2.0kW
1.5
Discharge to
a maximum of 2.0kW
1
0.5
1
2
3
4
5
6
7
8
9
10
11
12
13
Power rate
60
40
1
2
3
4
5
15
16
17
Daytime rate: ¥31.75
Nighttime rate: ¥12.16
20
14
6
7
8
9
10
11
12
13
14
15
16
18
19
20
21
22
23
4
3.5
2
18
19
20
21
22
23
Household load
1.5
Charges to
a maximum of 1.5kW
1
24 Time
0
(Tokyo Electric Power Co.: Special rate after 8 PM)
17
Power selling
3
2.5
0.5
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Discharges to
a maximum of 2.0kW
16
17
18
19
20
21
22
23
24 Time
This mode minimizes power purchases from the grid by
replacing it with clean renewable energy.
24 Time
By charging at night when rates are low and discharging
during the daytime when rates are high, power purchase rate can be saved.
No worry about power failures
During a power failure, power is not purchased from the grid.
❸ Storage mode
This mode was designed for areas that are subject to power failure. Storage Mode keeps the storage batteries fully
charged at all times by using surplus PV-generated power during the daytime and purchasing power from the
power company at night.
PV generation
5
Household load
4
3.5
3
Power selling
2.5
In case of blackout or lack of PV generation, the battery could provide constant energy with
maximum of 2.0kVA power. Moreover, since the Hybrid Inverter can be connected to the
distribution board, multiple loads could be used without swithcing the outlet. (The system cannot
be used with more than its maximum stand alone output)
2015/ 5/ 1 12:00
4.5
Power generation amount,
household load (kW)
PV generation
5
Power generation amount,
household load (kW)
Power generation amount,
household load (kW)
4
3.5
0
Although power from
the storage battery is
used for household
consumption, any
shortages are covered
by purchasing power
from the power
company.
2015/ 5/ 1 22:00
4.5
4.5
0
After supplying the
household load,
surplus PV power is
used to charge the
storage battery. Any
excess power may be
exported to the power
company.
2015/ 5/ 1 12:00
This stand-alone system
consumes PV-generated
power for household use.
Remaining power is
stored to the battery.
2015/ 5/ 1 22:00
After dark, household
consumption is provided
by power from the
storage battery.
Charge1.5kW at all times
2
1.5
1
0.5
0
40
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24 Time
Since this product is currently under development, changes in specifications or appearance may be made without notice.
41
Energy sources
Portable Storage System 2.5kWh
Applications
Specifications
Battery
Home
Facility
Factory
UPS
function
Input (AC)
Input voltage
AC100V
Input frequency
50Hz/60Hz
Single phase, 2 wire type
Connection phase
Charge/Discharge(Battery)
Battery type
Lithium-Ion-Battery
Storage capacity
Discharge capacity
2.5kWh
2.0kWh
Charging time
Fully charged within 6 hours
Output (AC)
Rated AC voltage
AC100V
Rated output frequency
50Hz/60Hz
Connection phase
Single phase 2 wires
Rated output power
Max.output power
1100VA(When operated with commercial power)/1100VA(When the battery is operating)
1800VA 1second(Auto shut-down function included in case of over-load)
Power Outage Switching Time
0秒(Uninterruptable、UPS function)
General Data
Operating temperature range
0℃∼+40℃
Operating humidity range
20%∼85% RH(Without condensation)
Indoor
300/582.2/640mm(Does not include the lug)
Installation condition
Dimensions(W/H/D)
65kg
Transportable
Input:Outlet with grounding pole /Output:Outlet with grounding pole
Weight
Type
Input/Output plug type
Installation Diagram
server
Commercial outlet
Usable Examples
Off-grid-solution for power outages
150W
A fully charged system will run continuously for up to 4 hours at 500W output
with no charging activity.
With the UPS function available, the system runs without powering down.
Wheels allow for easy installation and repairs/part replacement.
Dimension
70W
PC
150W
15W
50W
40W
*The power consumption will differ by the type of product.
Please make sure to check the products power consumption before connecting it to the battery.
Unit:mm
640
300
3 Easy installation/replacement with wheels
4 2 output outlets
5 Built-in Peak-shift Function
42
92.2
2 UPS function available
490
582.2
1 2.5kWh Lithium-Ion-Battery
Some specifications or aspects of appearance may be changed without notice to improve the product
43
Energy sources
Portable Storage System 5.0kWh
Applications
Specifications
Battery
Home
Facility
Factory
Input (AC)
Input voltage
AC100V
Input frequency
50Hz/60Hz
Single phase, 2 wire type
Connection phase
Charge/Discharge(Battery)
Battery type
Lithium-Ion-Battery
Storage capacity
Discharge capacity
5kWh
4.4kWh
Charging time
Fully charged within 8 hours
Output (AC)
Rated AC voltage
AC100V
Rated output frequency
50Hz/60Hz
Connection phase
Single phase 2 wires
Rated output power
Max.output power
1500VA(When operated with commercial power)/1500VA(When the battery is operating)
1500VA(Overload Stop Function)
Power Outage Switching Time
About 10 seconds *20ms when the timer is set
General Data
Operating temperature range
0℃∼+40℃
Operating humidity range
20%∼85% RH(Without condensation)
Indoor
250/649/626mm(Does not include the lug)
Installation condition
Dimensions(W/H/D)
65kg
Transportable
Input:Outlet with grounding pole /Output:Outlet with grounding pole, terminal block
Weight
Type
Input/Output plug type
Installation Diagram
Distribution board
Distribution board
TV
Commercial
outlet
Lightings or etc…
Usable Examples
150W
A fully charged system will last up to 9 hours at 500W output with no charging activity.
With a large capacity 5.0kWh battery, the system can run for long time with several loads.
Wheels allow for easy installation and repairs/part replacement.
1 5.0kWh Lithium-Ion-Battery
2 Easy installation/replacement with wheels
150W
15W
50W
40W
250
Dimension
626
Unit:mm
649
For peak-shifting / off-grid solutions
70W
*The power consumption will differ by the type of product.
Please make sure to check the products power consumption before connecting it to the battery.
3 2 output outlets
4 Built-in Peak-shift Function
200
44
392
485
Some specifications or aspects of appearance may be changed without notice to improve the product
45
LCD Remote Controller for single-phase solar inverters
Output control
available
Color LCD remote controller(Output controllable product)
Displays the generation, consumption, amount of power purchased,
selfsupply rate, and other power-related information in real time.
Various features support energy conservation.
Output control will be available only when combining output controllable
inverter and remote controller.
❶ Generated power
❷ Power consumption
Displays the power currently being
consumed by the household.
Displays the output control status of the solar
inverter: Temperature Control, Voltage
Control, and Temperature Voltage Control.
❹ Operational Status
Displays the operational status of the
solar inverter.
❹
❶
❺
❷
EPC-S40MP2-L EPC-S49MP3-L
EPC-S55MP3-L EPC-S55MP4-L
EPC-S99MP5-L
Products without output control
EPC-A-30P-H
EPC-B-S80P
EPC-A-S99P
EPC-A-S49MP
EPC-A-S55MP4
❻
❽
Dimensions/ H120×W130×D22.8mm (not including brackets)
Weight/ set unit: 217.5g
Brackets: 42g
LCD/ 3.5-inch color LCD
Mounting method: wall-mounted
Executes the function displayed in
the button area.
Switches solar inverter operating
modes between grid connected
operation and stand-alone operation
The button is illuminated (flashes)
when the solar inverter is operational.
❾
❾ Run/Stop button
Switches the solar inverter operating
status between run and stop.
Rated power consumption/ 3.1W
Maximum power consumption/ less than 4W
Installation/ Interior
Displays amount of
power generated,
consumed, and sold.
2015/ 4/30
*Requires sensor unit.
Displays the
total amount
of generation.
2015/ 4/30
or
EneTelus remote controller for single-phase Solar Inverter
Please refer to the following table for the maximum number of connectable
solar inverters and the number of required remote controllers.
Single remote controller can be connected to 5 solar inverters.
◎:Compatible(Controller is necessary.)
Symbol ○:Compatible(Controller is option.)
Please refer our company website(http://www.enetelus.jp/english/products/remote.html)
for the old models which is not listed on the following chart.
Remote Controller Model
ZREM-35ENP01
EPC
2.0
Communication method
1: 5
Maximum units of inverters
Display
▲:Compatible with condition
Remote
controller
Solar
inverters
EPC
3.0
EPC
4.0
5 inverters are connectable
Surplus power selling / All power selling switch setting*1
feature
2015/ 4/30
Power graph
Numerical display
2015/ 4/30
Numerical display
Compatible
models
Solar Inverter Model
Bill Conversion Feature
2015/ 4/30
46
Button is illuminated (flashes) when
power is sold/purchased.
*Only for Excess Power Export.
**The solar inverter provides power for the remote display.
One remote display is required per system.
2015/ 4/30
■ Electricity
▶For total PV power export sales contracts
▶For PV power export sales contracts
❼ Function Button
Operational Status Display Lamp
❼
Specifications
■ Energy-saving
(Only from commissioning of the system.)
Displays the current amount of self-supplied
electricity.
(Generated power÷Consumed power × 100)
*Applies only when selling PV power.
Sold/Purchased power display lamp
■ General
Choice of displays: selling PV power, amount of power purchased, etc.
EPC-A-55P-H
EPC-B-S80P-J
EPC-A-S99P-J
EPC-A-S55MP
❽ Grid/Stand-alone button
❸
❺ Power Sold/Power Purchased
Displays the amount of PV power sold to
the power utility, as well as power purchased
from the utility.
*Only for selling surplus power.
Output controllable product
❻ Self-supply rate
Displays the power currently being generated.
❸ Control Status Display
Supported models
Graphical display
EPC-A-S30P-H
Single-phase, 3.0kW 2 strings *2
▲*3
EPC-A-S55P-H
Single-phase, 5.5kW 3 strings *2
▲*3
EPC-B-S80P
Single-phase, 8.0kW 4 strings *2
◎
EPC-B-S99P
Single-phase, 9.9kW 5 strings *2
◎
EPC-B-S80P-J
Single-phase, 8.0kW 4 strings *2
○
EPC-B-S99P-J
Single-phase, 9.9kW 5 strings *
○
EPC-A-S49MP
Multi grid connection certified, Single-phase, 4.9kW 3 strings
◎
EPC-A-S55MP
Multi grid connection certified, Single-phase, 5.5kW 3 strings
◎
EPC-A-S55MP4 Multi grid connection certified, Single-phase, 5.5kW 4 strings
◎
EPC-S40MP2-L
Output control available, Single-phase, 4.0kW 2 strings
◎
EPC-S49MP3-L
Output control available, Single-phase, 4.9kW 3 strings
◎
EPC-S55MP3-L
Output control available, Single-phase, 5.5kW 3 strings
◎
EPC-S55MP4-L
Output control available, Single-phase, 5.5kW 4 strings
◎
EPC-S99MP5-L
Output control available, Single-phase, 9.9kW 5 strings
◎
2
Communication specification
EPC
2.0
EPC-A-S30P-H
EPC-A-S55P-H
EPC-B-S80P
EPC
3.0
EPC-A-S49MP EPC-A-S55MP4
EPC-A-S55MP and any other EPC2.0 series
EPC
4.0
EPC-S40MP2-L
EPC-S49MP3-L
EPC-S55MP3-L
EPC-B-S80P-J
EPC-B-S99P
EPC-B-S99P-J
EPC-S55MP4-L
EPC-S99MP5-L
and any other EPC2.0 and
EPC3.0 series
either Surplus or Total Power Sales for
*1 Choose
the initial setting.
*2 Products which is no longer produced.
connectable inverters for ▲
*3 Maximum
(EPC-A-S30P-H, HPC-A-S55P-H) is 2 units.
When 5 units connection is required, please
combine with the units with ◎ or ○. In case of
this, the DIP switch must be set from 1st or
2nd unit. Further units from 3rd unit cannot be
set. For further detail please refer the
installation manual.
47
External control systems for three-phase solar inverters
Sample LCD Displays(EOU-A-MBX01-L)
■
(compatible with EPU-T99P5-SFL)
(compatible with EPU-T250P8-FPL:Required)
Overall System Generation Status
Integrated System Power Generation
■
Master box
Generating state
for overall system
■
Solar Inverter Number
System state
Total system generation amount
Existence of any stopped
solar Inverter
System Value Setting Screen
■
Cumulative PV-generated
power of entire system
Integrated power amount
Generation status
for individual solar inverter
Error history
■
Date and time of occurrence
Solar inverter identification name
Event code
System set points and parameters, turns the
inverter on or off, and manual restart.
※The actual image differs slightly from the pictures shown.
❷PV Generation Status Management
❸Number of Solar Inverters
Monitoring System
(Outside Products)See P56-P59
Up to 32 solar inverters can be connected to a master
box. Up to 30 Master Boxes may be networked
together by a Super Master Box.
RS485
Super master box
(compatible with EOU-A-MBX01-L)
Internal structure
❶ Operation Setting Switch
❾
Up to 30 units can be connected
Collective control
of all master boxes
Sets Master Box operation.
Master box
1
❷ Address Setting Switch
Sets the address for the Master Box.
❸ Relay terminal panel for power supply connection
❶
❷
❽
UP
CANCEL
Connects the external power supply cable.
❹ Start/stop button
手動復帰
DOWN
❹
❺
The maximum
distance between
Master-Box and
the farthest must
be within 1.0km.
Sets terminal resistance for solar inverter communication.
Exterior dimensions: 400 x 300 x 165mm
(dustproof and waterproof (IP65 relevant))
Weight: 4.0 kg
Working temperature range: -20°
C ‒ +50°
C
Input power supply voltage: AC 85 V ‒ 265 V (47-63 Hz)
Power consumption: 3 W
Installation method: Wall-mounted
2
2
(compatible with
EOU-A-MBX01-L)
Remotely controls each master box at once
Can be connected to up to 30 master boxes.
Controls communication of information between
master boxes.
Up to 32 units can be connected in each line.
32
32
32
*Please refer the installation manual for the required installation condition.
❻ Manual recovery button
❼ Solar inverter communication terminal setting switch
Basic specifications
Super master box
1
●
Changes modes and settings
Manual restart after fault.
48
2
Starts and stops the operation of connected solar inverters.
❼
1
Master box
RS485
ENTER
❻
Master box
●
❺ Operating button
❸
The maximum distance between
Super Master Box and the farest
Master Box should be within 1.2km *
Example of master box configuration
Manages operational status, errors, generation staus,
etc, and displays it on an LCD panel.
運転/停止
Series input circuit status
Event history
Value setting screen
10
●
String input state
History number
❶Remote control
モード設定
State
Generation
DC bus voltage
Generation per solar inverter.
Basic functions
11
●
Generation Status
Current date and time
Output control
available
Collective control for multiple solar inverters
Output control will be available only when combining output
controllable inverter and master box.
■
Individual Solar Inverter Display
In case of connecting pyranometer and thermometer with master box
Transducer unit EOU-A-TDU01 can not be connected when a Pyranometer and thermometer are connected to the master box.
Please use a commercially available transducer and prepare a power source for operation of the transducer.
❽ Terminal Strip for Signal Line Communication
Inputs and outputs of communication signal, and outputs signal to an external monitor.
❾ Master box communication terminal setting switch
Sets Master Box communication terminal resistance.
Thermometer
Displays generation status, system information, and settings.
11 Input Terminal Strip for Power Supply Output, Pyranometer, and Thermometer
●
Connects cables from power supply output (power for optional device),
pyranometer, and thermometer.
4∼20mA
Outside
temperature
10 LCD panel
●
Transducer(Commercial Product)
Pt100 temperature
detector
Specification
Lower limit:Either 0, -20, or -50℃
Upper limit:Either 50, 80, or 100℃
Pyranometer
Transducer(Commercial Product)
Master box
4∼20mA
Solar radiation
intensity
Sensitivity 5∼14μV/
(W/m2)
Specification
Input range:0∼10mV
49
Example of Installation Plan
Example of Installation Plan
Excess Power Export 5.5kW
Total Power Export 17.9kW
When you have several roof areas facing to the south and the sizes of the installation areas vary,
Full amount electricity sales can be done when it is possible to install system more than 10kW or
different types of panels can be used for each unit of strings.
apartment buildings, etc. When using the EPC-S99MP5-L, it is possible to install a single-phase
(Residential home)
(Apartment building)
low-voltage system (under 50kW) by using 5 units.
8 panels at
250W × 10 strings
Company B 200W
10 panels × 1 string
Company A 250W
8 panels × 2 strings
Single wire schematic
Single wire schematic
EPC-A-S55MP3-L (Single-phase 5.5kW)
EPC-S99MP5-L (Single-phase 9.9kW)
Grid connected output
PV1
+, −
Stand-alone output
PV string #1
PV2
+, −
Control
circuit
PV string #2
Inverter
Grid
protector protector
Purchased
power
meter
Control
circuit
PV string #2
PV3
+, −
Remote ControllerSensor unit cable
Inverter
Grid
protector protector
PV string #3
PV4
+, −
Remote ControllerSensor unit cable
Sold
power
meter
Ground
PV2
+, −
Color LCD
remote controller
Sensor
PV string #3
Stand-alone output
PV string #1
Remote controller
PV3
+, −
WH
Ground
PV1
+, −
PV string #4
PV5
+, −
Limiter
Trunk breaker
Distribution board
WH
Sensor unit
EPC-S99MP5-L (Single-phase 9.9kW)
Grid connected
output
Color LCD
remote controller
Remote
controller
PV1
+, −
Stand-alone
output
PV string #1
PV2
+, −
Control
circuit
PV string #2
PV3
+, −
Remote
ControllerSensor
unit cable
PV string #3
Sensor
PV string #4
PV4
+, −
Grid connected
output
Ground
Remote
controller
Inverter
Grid
protector protector
Sensor
PV5
+, −
PV string #5
PV string #5
Purchased
power
meter
Purchased Sold
power
power
meter
meter
Distribution board
WH
WH
Sold power
service panel
Inverter cable
WH
Load
Load
Wiring holes are provided in the rear (wall-side) and bottom.
50
Wiring holes are provided in the rear (wall-side) and bottom.
51
String Sizing of PV Panels for Solar Inverters
Multiple Unit
Installation Design
Basic approach
Solar inverters by
adopt the multi-string system. There is no need to equalize voltages between arrays.
[ EPU Series]
Multi-string system,
7 panels
9 panels
9 panels
10 panels
Solar battery module
DC/DC converter with MPPT
DC/DC converter with MPPT
DC/DC converter with MPPT
DC/DC converter with MPPT
Inverter
8 panels
DC/DC converter with MPPT
Solar battery array
Solar inverter
〈Built-in junction box, no need for booster unit〉
Calculation method for the number of input solar battery modules (array configuration)
❶ Approximate calculation from generation capacity
●
Confirm the maximum input value per string on solar inverter.
Generation capacity exceeding the maximum input value can be converted to the maximum input value only.
*Under actual weather conditions, our generating criteria are 1.1-1.3 times of the maximum input values. (Varies according to the customer)
※Since PV panel output may be lower depending on weather conditions, set the capacity of the solar inverter slightly over the generation capacity of the PV panels.
EPU-T99P5-SFL / EPU-T250P8-FPL
When you connect multiple units,
the recommended configuration is master-slave control to ensure a highly reliable configuration.
Data signal wiring will be needed when acquiring operating data.
When designing with this product 30 units may be installed for data measurement and 32 units
for the Master Box.
Maximum number of unit that can be installed in a single system
In case of using EPU-T99P5-SFL, 30 units can be installed in case of data measurement and 32 units in case of
master box use. In case of using EPU-T250P8-FPL, please use it with the Master-Box (necessary).
Maximum number of connectible solar inverters for the EPU-T250P8-FPL is 32 units.
◎ Comparison of (module maximum output power number of panels) and the maximum input value of the solar inverter
❷ Basic method for calculating the number of series-connected solar battery modules -- based on voltage value
Calculations are made from the solar inverter "MPPT voltage range," the "starting voltage," and the PV module specifications.
●
Upper limit of panels that can be connected in series → Design the array voltage to be lower than the upper limit of the "MPPT voltage range."
●
Minimum required number of panels connected in series → Design the array voltage to be higher than the "starting voltage."
◎Upper limit of panels that can be connected in series → ["MPPT voltage range" upper limit] [margin rate*1 90%] [PV module no-load voltage] (rounded down to the nearest whole number)
◎Minimum required number of panels connected in series → [starting voltage] [margin rate*2 80%] [PV module maximum operating voltage] (rounded up to the nearest whole number)
50 Unit Installation Design Example
The system will be networked as 10 units per line 5 lines. Each line will set the address as unit 1 to unit 10.
OVGR will be lined to each UNIT1(Host). The synchronizing signal form UNIT1 to all the units below will be daisy
chain wired. Data measurements are carried out for each line.
In case voltage drops due to the effects of shade and other factors, the required voltage may not be reached because it is calculated on outside temperature.
※1 Margin rate: For voltage rise due to low temperature ※2 Margin rate: For voltage drop due to high temperature
Unit 1
Unit 2
Unit 9
Unit 10
Line1:Address2
Line1:Address9
Line1:Address10
Line2:Address2
Line2:Address9
Line2:Address10
Line5:Address2
Line5:Address9
Line5:Address10
❸ Basic calculation method for the number of panels connected in parallel for each string -- based on electric current value
◎Upper limit of panels that can be connected in parallel: [Maximum input current] [PV module short-circuit current] (rounded down to the nearest whole number)
External stop (OVGR)
Sample Calculation
Solar inverter
❶ Recommended amount based on generation capacity
EPU-T99P5-SFL
Maximum input power per string
2170W
MPPT voltage upper limit per string
570V
Starting voltage
150V
Maximum input current per string
10.3A
52
(Upper limit) 550V 90% 37.8V≒13 (rounded down to the nearest whole number)
(Lower limit) 150V 80% 32.0V≒6 (rounded up to the nearest whole number)
Line1:Address1
Synchronizing signal
External communication (RS-485)
❷ Number in series
❸ Number in parallel
PV module (example)
Line2:Address1
Line ②
Synchronizing signal
External communication (RS-485)
10.3A 8.5A≒1 (rounded down to the nearest whole number)
Maximum output
240W
No-load voltage
37.8V
Maximum output operating voltage
32.0V
Short-circuit current
2170W 240W⇒ Recommended number of panels: 9 panels
Under actual weather conditions, 10 panels are recommended
(2400 W: 1.11 times), 11 panels (2640 W: 1.22 times) and so on.
Line ①
8.5A
❹ Sample calculation results
With a margin 1.11 times greater than the string's maximum input power under actual
weather conditions, the recommended number of panels is a series of 10 panels ( 1 parallel)
5 strings = 50 panels (input total: 12000 W). When limitations effect the installation location
and the number of panels that can be installed, characteristics of the multi-string system can
be used to design a system where 6-13 panels are connected in each string.
Note 1 Installation in cold areas
The calculation above is the basic method for determining the number of panels to connect in a series per string. In cold areas, there
may be a significant rise in voltage due to the characteristics of the solar battery. (*The "margin rate 90%" mentioned above was
calculated by assuming voltage rises due to low temperatures). Please keep in mind both the minimum temperature that can be
anticipated in the installation location and the temperature characteristics of the PV modules.
Note 2 Input into all strings is recommended
In order to attain the "rated output" of the solar inverters, all "DC/DC converters with MPPT" operations are needed. If there is a limit
Line5:Address1
Line ⑤
Synchronizing signal
External communication (RS-485)
on the number of panels that can be connected, make sure to use all input strings
53
Example of Installation Plan
(Industrial)
49.5kW Multiple Inverter Industrial Installation (FIT Project)
500kW FIT Project
This system makes efficient use of available space because
the inverter system is installed outdoors underneath the PV
panels on the racking. The AC output of multiple inverters are
combined at the utility grid connection.
(Example of a distributed system using EPU-T99P5-SFL.)
When installing PV systems greater than 100kW, AC voltage drop may
be controlled by installing 50-100kW substations with junction boxes
and transformer cabinets that step the voltage up to a higher value.
(low voltage grid connection)
Rear of rack
(artist’
s sketch)
Single wire schematic
(Designed with EPU-T250P8-FPL with High voltage
grid connection)
Rear of rack
(artist’
s sketch)
Single wire schematic
EPU-T99P5-SFL(3-phase 9.9kW)①
PV string #1
PV string #2
PV string #3
PV string #4
PV string #5
MCCB
Grid output (3-phase, 3-line) U,V,W
PV1
+, −
Ground E
Stand-alone output
(single-phase, 3-line) U,O,W
PV2
+, −
PV3
+, −
PV4
+, −
Control
circuit
Inverter
protection
Grid
connection
protector
PV5
+, −
Operating panel
TD
unit
+, −
MCCB
Cubicle
VCB
(*) Directly wired
to the TD unit
A,B,B
Contact preventing
plate used.
Actinometer (*)
Thermometer (*)
PV string ♯1
ELCB
Synchronizing signal (OUT) Sync OUT A,B
External communication
(RS-485) Monitor A,B,G
Ex Stop In (OVGR) OVGR IN A,B
Ex Stop
(OVGR) OUT OVGR OUT A,B
Contact output
(operation status) Operation STATE A,COM
MCCB
400AT
Display System
Alarm
PV string ♯2
PV string #3
PV string #4
PV string #5
PV3
+, −
Ground E
Stand-alone output
(single-phase, 3-line) U,O,W
Control
circuit
Inverter
protection
PV4
+, −
PV5
+, −
Grid
connection
protector
Synchronizing signal (IN) Sync IN A,B
External communication
(RS-485) Monitor A,B,G
PV string #3
PV string #4
PV string #5
MCCB
Grid output (3-phase, 3-line) U,V,W
PV1
+, −
Ground E
Stand-alone output
(single-phase, 3-line) U,O,W
PV2
+, −
PV3
+, −
PV4
+, −
PV5
+, −
Control
circuit
Inverter
protection
Grid
connection
protector
Operating panel
Synchronizing signal (IN) Sync IN A,B
Synchronizing signal (OUT) Sync OUT A,B
External communication
(RS-485) Monitor A,B,G
Ex Stop IN (OVGR) OVGR IN A,B
Ex Stop
(OVGR) OUT OVGR OUT A,B
2
3
4
5
6
7
8
9
10
11
12
13
14
Master
box
15
16
17
18
19
20
Solar
inverter
Solar
modules
Advantages of installing multiple units
①Only one unit needs to be stopped for an inspection
or when a malfunction occurs.
②Allows for incremental system monitoring and early
detection of system problems.
③AC can be converted close to the panel.
④If ground faults occur, the system is safe because solar
inverers are isolated.
⑤Due to the application of MPPT Control for every 3.25kW,
the system has a measure of shade tolerance.
Precautions!
・ The schematics presented on pp. 50, 51, 54, 55 are examples of installation plans and do not constitute a guarantee that they will be valid under every circumstance.
・ Customers should have qualified persons develop appropriate design plans for their transformer equipment.
・ Due to regulations, the power company, and grid conditions, different equipment may be required. Design should be developed to conform with regulatory and
other requirements.
・ Outdoor installations may not be possible due to climate conditions, installation locations, and other factors.
・ Installation in unstable locations can cause accidents. Do not install units in locations where they cannot be mechanically fastened down, or in locations Contact output (operation status) Operation STATE A,COM
54
1
Ex Stop
(OVGR) OUT OVGR OUT A,B
EPU-T99P5-SFL(3-phase 9.9kW)⑤
PV string #2
MCCB
50AT
Ex stop IN (OVGR) OVGR IN A,B
Operating panel
Substation #2
MCCB
400AT
MCCB
50AT
Synchronizing signal (OUT) Sync OUT A,B
Contact output (operation status) Operation STATE A,COM
PV string #1
Substation #1
MCCB
400AT
MCCB
Grid output (3-phase, 3-line) U,V,W
PV2
+, −
6600V/440V
Synchronizing signal (IN) Sync IN A,B
EPU-T99P5-SFL(3-phase 9.9kW)②
PV1
+, −
500kVA
where installation and inspection work is hard to perform.
・ Please check the installation manual before the actual installation.
55
Industrial Display Systems
Supported models
*Please contact each company for details of compatible models and number of
units in advance.
[Third-party vendors]
EPC
1.0
solar Inverters are compatible with the following
software systems and products.
Please contact the companies listed below for more information.
EPC-A-S30P
EPC-A-S55P
EPC
3.0
EPC-A-S49MP
EPC-A-S55MP
EPC-A-S55MP4
and all other
EPC
2.0
EPC-A-S30P-H
EPC-A-S55P-H
EPC-B-S80P
EPC
1.0
"For your measurement needs."
EPC
2.0
EPC
3.0
EPC
4.0
EPC-B-S80P-J
EPC-B-S99P
EPC-B-S99P-J
EPU MBX MBX MBX MBX
T99P T99P T250PS T250PF T250PL
Under
development
Offering a variety of measurement systems to meet diverse needs.
EPC-S40MP2-L
EPC-S49MP3-L
EPC-S55MP3-L
EPU
T99P
EPU-B-T99P series
EPU-E-T99P-SF
EPU-T99P5-SFL
EPC2.0 series
Supported series
Field Logic Inc.
EPC
4.0
Under
development
EPC-S55MP4-L
EPC-S99MP5-L
MBX
T99P
and all other EPC2.0、
PC3.0 series
MBX
T250PS
EOU-A-MBX01 (Compatible with
series、
EOU-A-MBX01-L EPU-B-T99P
EPU-E-T99P-SF、
MBX
T250PF
(For EPU-C-T250P-FP)
EOU-A-MBX02
MBX
T250PL
(For EPU-T250P8-FPL)
EPU-T99P5-SFL)
(For EPU-C-T250P-S)
EOU-A-MBX03
EOU-A-MBX03-L
Supported series
Onamba Co., Ltd.
EPC
1.0
EPC
2.0
EPC
4.0
EPC
3.0
EPU MBX MBX MBX MBX
T99P T99P T250PS T250PF T250PL
Under
development
Monitoring system for low voltage grid connection
Under
development
■Cost performance for power plants where a large number of solar inverters are used
Large display software
When using the EPU-B-T99P series or EPU-E-T99P-SF, a maximum of 15u nits
4 input solar inverters can be monitored.
■Capable of saving sting-by-string data
Providing our
customers with
diverse visualization
options.
The CSV string data saving function is wellsuited for Tabuchi solar inverters.
Clear object monitor
System flow monitor
Example of customized screen
Combined Management for Multiple Sites
Top screen for solar inverter monitoring
Your operation and
maintenance "buddy"
for secure and stable
remote monitoring.
Combined management of
plural measurement sites
Customized grid diagram monitoring display
Laplace system Co,. Ltd.
Solar Link
series
EPC
1.0
EPC
2.0
EPC
3.0
EPC
4.0
EPU MBX MBX MBX MBX
T99P T99P T250PS T250PF T250PL
Under
development
Under
development
Real time monitoring and display for installed systems.
Combines attractive presentation features with sophisticated monitoring capabilities.
We make sure that our systems are easy to understand, providing you with the exact information you want.
Report screen
A maximum of 60 to 108 solar inverters (depending on the manufacturer and model) can be monitiored at the same
time. Solar inverters are denoted by color in the Solar Inverter Generation Graph to allow customers to check the
generation status of each inverter.
TEL:(81)6-6446-2300 FAX:(81)6-6446-2500 URL:http://www.f-logic.jp/global/
Supported series
Solar Inverter Generation Graph
TEL:(81)6-6976-7401 FAX:(81)6-6976-6100 URL:http://www.onamba.co.jp/english/index_e.html
CONTEC CO., LTD.
Cloud Service with 3G line Monitoring package
Supported series
EPC
1.0
EPC
2.0
1.0
EPC
3.0
2.0
EPC
4.0
3.0
EPU MBX
EPC
EPU MBX MBX MBX
T99P
3.1 T99P T250PS
T99P T250PS
T250PF T250PF
T250PL
Under
development
SolarView Air
®
Maximum 20 PV sites
can be monitored.
It is a all in one package for monitoring system. By using this system
customers can monitor multiple systems from single site.
Eye-catching new monitoring
and display
series
Solar Link ZERO
Packed with functionality and expandability in a small form factor
Supports data readings,
displays, and connections to
internal LAN systems.
The package includes, measuring unit and 3G router as turn key system
with competitive price.
For small to middle
scale PV system
(With 3G line)
Under
Under
Under
Under
development development development development
Commercial PV system
Monitoring
E-mail notice
Cloud Service
Any where which has 3G signal can be the installation site. Maximum
of 20 sites could be monitored remotely. It includes automatic e-mail
alert which activates whenever the PV has problem.
(Running cost 24,000 JPY/Year)
PV farms
For products that support remote monitoring Solar Link ZERO Terminal
Computer-based measurement and display systems
with excellent applicability and expandability.
Customization for individual specifications is also
available.
Data can be viewed and
downloaded from the Internet.
Ideal for remote monitoring,
string system monitoring, and
will provide email notification
when problems occur.
*Optional large screen display for
PR purposes.
*Monitoring for low voltage PV system
available as well.
TEL: (81)75-604-4741(Direct connection to the Sales Dept.) FAX: (81)75-621-3665 URL: http://www.lapsys.co.jp/english/
56
Monitoring detail
Detail with graphs
Operation history
Summary of PV system
TEL:(81)6-6477-7861 FAX:(81)6-6478-1031 URL:http://www.contec.com
57
Industrial Display Systems
Supported models
*Please contact each company for details of compatible models and number of
units in advance.
[Third-party vendors]
solar Inverters are compatible with the following
software systems and products.
Please contact the companies listed below for more information.
Kinkei System Corporation
Monitoring System SWF830/850/870
EPC
1.0
EPC-A-S30P
EPC-A-S55P
EPC
3.0
EPC-A-S49MP
EPC-A-S55MP
EPC-A-S55MP4
and all other
EPC
2.0
EPC-A-S30P-H
EPC-A-S55P-H
EPC-B-S80P
EPC
2.0
EPC
3.0
EPC
4.0
EPC-S40MP2-L
EPC-S49MP3-L
EPC-S55MP3-L
EPU
T99P
EPU-B-T99P series
EPU-E-T99P-SF
EPU-T99P5-SFL
EPC2.0 series
EPC-B-S80P-J
EPC-B-S99P
EPC-B-S99P-J
Supported series
EPC
1.0
EPC
4.0
EPU MBX MBX MBX MBX
T99P T99P T250PS T250PF T250PL
EPC-S55MP4-L
EPC-S99MP5-L
and all other EPC2.0、
PC3.0 series
MBX
T99P
MBX
T250PS
EOU-A-MBX01 (Compatible with
series、
EOU-A-MBX01-L EPU-B-T99P
EPU-E-T99P-SF、
MBX
T250PF
(For EPU-C-T250P-FP)
EOU-A-MBX02
MBX
T250PL
(For EPU-T250P8-FPL)
EPU-T99P5-SFL)
(For EPU-C-T250P-S)
EOU-A-MBX03
EOU-A-MBX03-L
Supported series
Degital-Core Co., Ltd.
EPC
1.0
EPC
2.0
EPC
3.0
EPC
4.0
EPU MBX MBX MBX MBX
T99P T99P T250PS T250PF T250PL
Under
development
・Erros of the system will be immediately reported by e-mail. Moreover,
the data gathered could be downloaded with sorting function.
With the conspicuous display, customers could see the information
right a way.
・Unlimited number of Inverters and Master Boxes allowed.
・PR displays can be generated on the user interface.
The system detects major failures and minor error
codes as well.
Three monitoring products are available to meet all
customer needs.
Mulfunction / Warning screen
Overview
Main screen
Inverter status
Solar generated power per string
TEL:(81)43-232-2266 FAX:(81)43-232-6077 URL:http://www.digitalcore.co.jp
TEL:(81)6-6613-2591 FAX:(81)6-6613-2592 http://www.kinkei.co.jp/en/index.html
TOKAI EC co., ltd.
Supported series
EPC
1.0
EPC
2.0
EPC
3.0
EPC
4.0
EPU MBX MBX MBX MBX
T99P T99P T250PS T250PF T250PL
Under
development
Under
development
Under
development
EKO Instruments Co., Ltd.
Smart monitoring system
Supported series
EPC
1.0
EPC
2.0
EPC
3.0
EPC
4.0
EPU MBX MBX MBX MBX
T99P T99P T250PS T250PF T250PL
Under
development
Under
Under
development development
・The cloud server is capable of storing and monitoring information from multiple PV sites. This service also includes
e-mail notification when PV system errors occur.
・The data logger is capable of monitoring up to 60 solar inverters and multiple meters as well.
・Compatible with Master-Box. Ideal for distributed Middle and Mega solar systems.
・Calculates estimated solar generation based on the temperature of the site and standard hardware set-up. Then, that data is compared
with actual generation data to generate the operation efficiency.
・Generation per inverter, daily, weekly, and monthly generation data, and generation analysis is available. Reports can be generated for
all of the aforementioned data.
The monitoring components, for example, LED display, control unit, connect to
the solar inverter.
This system is capable of networking 5 inverters or 5 groups of 6 solar inverters
(30 inverters). Reports operational status or errors via email. Compatible with
smartphones, tablets, or PC.
Main screen
Generation amount for one day
TEL:(81)52-859-1400 FAX:(81)52-859-1401 URL:http://www.tokaiec.co.jp
58
Overview
AC energy of inverters and solar irradiance
TEL:(81)3-3469-6714 FAX:(81)3-3469-6719 URL:http://eko-eu.com
59
Solar Inverter Selection Process
Renewable Energy Research Center
We established a Renewable Energy Research Center in 2011 at Tabuchi
Denshi Kogyo (Otawara-shi, Tochigi), our solar inverter manufacturing location.
The Renewable Energy Research Center studies the characteristics of products
designed for the energy field from a variety of angles and conducts
demonstration testing. We have also completed construction of a "Smart House"
testing facility at the Center. The "Smart House" makes the most efficient use of
electricity in the home. Using this facility, we have begun joint development
efforts with home builders on HEMS (Home Energy Management System). To
provide our customers with dependable and safe products, we do our utmost to
perform comprehensive system evaluations.
Selecting the optimal solar inverter
When selecting solar inverters, remember that facilities vary
depending on the power selling method and the electrical mode of the grid connection point.
Please refer to the following flow chart to select the optimal solar inverter for your needs.
Power selling
method
Total Power Generation Sales
[5.5kW]
EPC-S55MP4-L
[9.9kW]
EPC-S99MP5-L
[9.9kW]
EPC-S99MP5-L
[9.9kW]
EPU-T99P5-SFL
[9.9kW]
EPU-T99P5-SFL
See P.20
See P.20
See P.24
▲
No
Electrical mode
Panel evaluation area
Single-phase
See P.24
▲
Renewable Energy
Research Center
Full range of environmental
assessment apparatus
EPC-S55MP3-L
See P.16
▲
The system is located on top of the parking lot.
The capacity of the system is 500kW. The purpose
of this system is to prove the advantages of using
our Multi-String-Inverter in distributed PV system.
The testing and monitoring is on site today.
[5.5kW]
See P.12
▲
Acquisition of data comparing generation characteristics
between multi-string solar inverters and central system
solar inverters. Data analysis on the effect of panel
deterioration on the solar inverter over time and
differencs in generation capacity associated with
environmental change and long-term operation.
EPC-S40MP2-L
EPC-S49MP3-L
▲
Low voltage
grid connection
Yes
[4.0kW]
[4.9kW]
▲
PV solar farm in Tabuchi Denshi Kogyo
20kW PV generation
Surplus power selling・Household consumption
Three-phase
See P.28
▲
High voltage
grid connection*
Yes
(Three phase)
No
Middle scale
generation
Hybrid (small wind power + solar)
ZigBee transmission unit
Generated energy
Consumed energy
Commercial energy
Data
ZigBee receiver unit
HEMS demonstration tests
Extra-high voltage
grid connection*
Large scale
generation
(More than 2MW)
*When inverters are connected to high voltage and extrahigh voltage grid connections,
electrical transmission and distribution systems other than inverters are necessary.
〈25kW+Master box〉
[25kW] EPU-T250P8-FPL
+EOU-A-MBX03-L
See P.32
See P.48
See P.32
See P.48
▲
→
→
→
→
Videophone
Data collection unit
Grid connected evaluations of new products
+EOU-A-MBX03-L
LED lighting
Power sensor
Distribution board
〈25kW+Master box〉
[25kW] EPU-T250P8-FPL
▲
60
Air conditioner
Hybrid solar inverter
(∼2MW)
▲
Storage hybrid
Here we collect demonstration test data to
deal with the kinds of issues associated with
the effective use of alternative energy sources,
including solar and small wind generation, fuel
cells, and secondary batteries, as well as
home energy conservation and electric power
peak-cutting strategies.
Large scale
generation
Intercom
with camera
Generation
monitor
Sold power Purchased
monitor power monitor
See P.48
Fuel cell
▲
Storage battery
See P.28
▲
+EOU-A-MBX01-L
Security camera
Wind power
generator
PV panels
〈9.9kW+Master box〉
[9.9kW] EPU-T99P5-SFL
▲
(∼300kW)
Device
monitoring
See P.28
▲
Smart House
Small scale
generation
(∼100kW)
Verification testing of PV panels from different
manufacturers and Tabuchi solar inverters. Acquisition of
PV panel generation data.
Implementing a full range of dustproofing,
waterproofing, drop testing as well as environmental
tests under harsh conditions, including high
temperature and high humidity environments.
Generation scale
Integrated monitor
61
Frequently Asked Questions
1
Q:What is the maximum number of solar inverters that can be installed?
A:See p.47 for single-phase solar inverters, and p.53 for three-phase solar inverters.
2
Q:What precautions need to be followed when installing solar inverters in a row?
A:For singlephase inverters, air is taken in from the bottom of the unit and released from the top, line units up horizontally.
For threephase 9.9kW inverters, air is taken in from the right and released from the left, line units up vertically or make sure there is sufficient space
between units. For three-phase 25kW inverters, there is no cooling fan. Be sure to leave enough space for work and ventilation.
3
Q:Can I use cables other than those provided by Tabuchi to wire the units?
A:Do not use cables other than those provided by Tabuchi for the EPC Series remote controller or for connecting the solar inverters.
Regarding the type of cables please refer to p.64.
Please procure the cables that are specified for the EPC Series.
4
Q:Tell me about the standby power values for the solar inverters?
A:This information is provided in the specifications tables for each model.
Although the maximum power consumption of the remote controller is 4W, power is supplied by the solar inverter,
and this includes the standby power of the solar inverter.
The maximum power consumption of the sensor unit is 2W. The sensor unit is powered directly by the service panel.
5
Q:I would like to install weather sensors (insolation meter, thermometer).
A:Three-phase inverters can incorporate weather sensor data by using the optional transducer unit. Weather sensors cannot
be incorporated into the single-phase inverters.
Regarding the usage of transducer please refer p.49.
Please use a separate measurement system or data logger.
6
Q:Is a sensor unit required?
A:Sensor units acquire data on the amount of power bought and sold. If you have a contract to sell excess power,
you will not be able to display the amount of power sold accurately without a sensor unit.
A sensor unit is not needed when selling all the power generated by the system.
7
Q:What will happen if I connect the system to solar cell modules that have voltage or current that
exceeds the values listed in the catalog?
A:For current that exceeds the maximum input current: Although this will not cause a malfunction, only the maximum input current will be input.
For voltage that exceeds the maximum input voltage: Malfunctions may occur. Do not exceed the maximum input voltage under any circumstances. (see p.52)
8
Q:Tell me about grid connection procedures and equipment certification.
A:Please inquire with your local power company about grid connection procedures, and ask your local Bureau of Economy,
Trade, and Industry for information about equipment certification.
Tabuchi Electric includes all the necessary solar inverter documentation needed for your application.
9
Q:Can a Tabuchi Electric representative be present when grid connections are being made?
A:We ask that our customers and installers be present when grid connections are made.
10
Q:Is a controlled power supply necessary for the nighttime?
A:A separate controlled power supply is not necessary because standby power is supplied by the Grid.
11
Q:Can I adjust the cable for Remote Controller, Inverter, or Sensor Unit for own use?
A:Please Do-Not extend or shorten the "Inverter cable" / "Remote controller-Censor cable" by connecting an another cable or by cutting it.
(Please follow the installation manual for further detail.)
Explanation of
Multi-string system
A string of multiple PV modules that are interconnected.
Tabuchi Solar Inverters have multiple builtin DC/DC converters for creating capacity.
Since the DC/DC converter has a voltage booster function, generation loss is controlled because there are strings for each panel direction.
Maximum Power Point Tracking (MPPT) system
This is a control feature that allows DC/DC converters to extract the maximum output voltage from the power that is the mathematical
product of the voltage and current from the solar cells. In operating PV systems, it is important to track the maximum power point
consistently relative to solar cells that have a variety of characteristics.
Stand-alone operation
Standalone operation serves as an emergency electric power source during a power failure. When PV panels are not generating electricity, this mode cannot
be used. Also, please use a special outlet for stand-alone operation. Do not use other outlets. During a power failure, switch to the "Stand-alone operation
Mode" according to the instruction manual. ※After power is restored, manually switch to "Grid-connected Operation Mode".
JET certification
Certification received from the Japan Electrical Safety & Environment Technology Laboratories (JET), an independent organization.
JET-certified solar inverters allow power companies to streamline procedures.
Islanding operation prevention
Commercial power supplies may be interrupted due to power outages or other incidents on the grid-side (power company). When this happens, islanding operation prevention prevents the reverse
flow of current. The purpose of this feature is to prevent maintenance personnel from being injured by lines taht are not supposed to be energized due to a power outage.
FRT Compliance in Japan
In order to prevent the excess backflow of power to the Grid, our inverters have a function that stops the entire system whenever
there are problems with the Grid, which complies with FRT certification in Japan and prevents islanding.
Multi-Grid-Connection-Certified inverter
In Japan, when multiple inverters are installed, additional documents regarding islanding function must be submitted to the power
company. The Multigrid Connection Certified Inverter eliminates the need to submit addtional documents, simplifying the process.
The Multi-grid Connection Certified Inverter Advantage
Existing product
Multi grid connection certified inverter
These prodicts require "multigrid connection test
results" to be installed in residential areas.
"Multi grid connection test results" are not required.
Existing residential building
other inverters
other inverters
To ensure long-term safe operations
●
We do not guarantee and will not repair solar inverters that have malfunctioned due to improper use that does not
conform with the user manual , installation manual, precautions, etc.
● Maintenance is necessary to ensure long-term use of the solar i nverter.
Information and product specifications in this catalog may be changed without notice.
● Installation work should be performed by qualified personnel.
●
62
New residential building
multi grid
connection
test results
Our inverter dramatically decreases installation time because
test results do not have to be submitted to the power
company.
Existing residential building
New residential building
other inverters
other inverters
Conventional
inverter
grid connection
certified
High voltage is applied to the solar inverter. Be sure to read the manual carefully and use the solar inverter properly.
●
Terminology
Existing
product
Request for test result
multi grid connection.
Multi grid
connection
certified
inverter
No multi-grid
connection test
required.
Certified
inverter
grid connection
certified
Test results are not required, dramatically
reducing time spent on installation.
63
Accessories/Options
Product
Model name
notes
Switching selling contract setting of
surplus and full amount power
ZREM-35ENP01
*For more details,
refer to p.46.
Cable between inverters(3m)
ZC-PP03B
*Compatible with single-phase
solar inverters
*Order production
Cable between inverters(10m)
ZC-PP10B
*Compatible with single-phase
solar inverters
Cable between inverters(20m)
ZC-PP20B
*Compatible with single-phase
solar inverters
Remote controller/
Sensor connector cable
Remote controller/Sensor connector cable(10m)
ZC-RS10B
*Compatible with single-phase
solar inverters
*Order production
(Exclusive goods)
Remote controller/Sensor connector cable(15m)
ZC-RS15B
*Compatible with single-phase
solar inverters
Remote controller/Sensor connector cable(20m)
ZC-RS20B
*Compatible with single-phase
solar inverters
Remote controller/Sensor connector cable(30m)
ZC-RS30B
*Compatible with single-phase
solar inverters
Remote controller/Sensor connector cable(50m)
ZC-RS50B
*Compatible with single-phase
solar inverters
Sensor unit(with current sensor)
0R536EMKEIKI-C
*Compatible with single-phase
solar inverters
For single-phase 4.0kW/ 5.5kW solar inverter
EOC-BCV-Z50
*For more details,
refer to p.8.
*Order production
For single-phase 9.9kW solar inverter
EOC-BCV-Z55
*For more details,
refer to p.8.
*Order production
For three-phase 9.9kW solar inverter
EOU-A-MBX01-L
*For more details,
refer to p.48.
For three-phase 25kW solar inverter
EOU-A-MBX03-L
*For more details,
refer to p.48.
For three-phase 9.9kW solar inverter
EOU-A-SMB01-L
*For more details,
refer to p.49.
For three-phase 9.9kW solar inverter
EOU-A-TDU01
*For more details,
refer to p.49.
LCD remote controller
for single-phase solar inverter
Please get it with the single-phase-inverter as a set.
Solar inverter connector cable
(Exclusive goods)
Please get it with the single-phase-inverter as a set.
Please get it with the single-phase-inverter as a set.
Sensor unit
(with current sensor)
Bottom cover
Master box
Super master box
Transducer unit
64
65
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