Chapter 02 MRG 604 / 605 / 508 / 511 MRG 604 / 605

Chapter 02 MRG 604 / 605 / 508 / 511 MRG 604 / 605
Chapter 02
MRG 604 / 605 / 508 / 511
Power quality
Transients
Reporting
Homepage
02
Graphic
Programming
Events
MRG 604 / 605 / 508 / 511
Communication
• Ethernet (TCP/IP) via patch cable
• Modbus (RTU, TCP, Gateway)
• HTTP (Homepage)
• FTP (file transfer)
• SNMP
• TFTP
• NTP (time synchronisation)
• SMTP (email function)
• DHCP
Interfaces
• Ethernet 10/100 Base TX
Power quality
• Harmonics up to the 40th
(MRG 604 / 508) or 63rd
(MRG 605 / 511) harmonic
• Interharmonics for U and I
(MRG 605 / 511)
• Distortion factor THD-U / THD-I / TDD
• Measurement of positive, negative
and zero sequence component
• Direction of rotation field
• Voltage crest factor
• Acquisition of short-term
interruptions (> 20 ms)
• Transient recorder (> 50 μs)
• Starting currents (from 20 ms)
• Unbalance
• Flicker measurement per
EN 61000-4-15
(only MRG 605 / 511)
• Display of waveforms
PLC functionality
• Graphical programming
• Jasic® programming language
Networks
• TN, TT networks
• IT network (only MRG 604 / 605)
• 3 and 4-phase networks
• Up to 4 single-phase networks
Network visualisation software
• GridVis®-Basic (in the scope of supply)
Accuracy of measurement
• Current: 0.2 %
• Voltage: 0.1 % (MRG 508 / 511)
or 0.2 % (MRG 604 / 605)
91
Chapter 02
MRG 604 / 605 / 508 / 511
Areas of application
• High quality PQ analysis at class A level (IEC 61000-4-30)
• Temporary measurement e.g. for the design of power factor
correction systems
• Analysis of electrical disturbances in the event of PQ problems
• Fault analysis with power quality problems
• High quality comparative measurement of energy
measurement devices and meters
Main features
• Monitoring of the power quality
• Capturing of all power quality parameters (harmonics, shortterm interruptions, asymmetries etc.)
• Remote access via Ethernet and embedded web server
• GridVis® PQ analysis software
• Standard PQ reports: EN 50160 , IEEE519, ITIC, EN 61000-2-4
• Cost centre report
• Large 128/256 MB internal memory for storing measurement data
Fig.: UMG 511 measuring case, voltage supply
MRG 508 / 511: User-friendly, colour graphical display with
intuitive user guidance
• High resolution graphics display
• User-friendly, self-explanatory and intuitive operation
• Clear and informative representation of online graphs and
further power quality events
Modern communications architecture via Ethernet
• Ethernet interface and web server
• Faster, better cost-optimised and more reliable communication
system
• High flexibility due to the use of open standards
Large measurement data memory
• 128 or 256 MByte
• Recording range of up to 1 year (MRG 604 / MRG 508) or up
to 2 years (MRG 605 / MRG 511) depending on the recording
configuration
• Recording freely configurable
92
Fig.: Colour graphical display – Example
Harmonics analysis
Chapter 02
MRG 604 / 605 / 508 / 511
Graphical programming
• Comprehensive programming options (PLC functionality)
• Jasic® source code programming
• Sustainable functional expansions far beyond pure
measurement
• Complete APPs from the Janitza library
02
Scope of delivery for the MRG product range
• Compact, robust plastic housing with measurement device and
all connections
• Supplementary description for each measurement device
• Operation manual for each measurement device
• CD with following content:
- Programming software GridVis®-Basic
- Functional description - GridVis®
• Carry soft bag for accessories
• Mains connection cable
• 4 voltage taps with fuses (black)
• 1 voltage tap with fuse (blue)
• 4 voltage measurement cables
• 1 measurement cable, blue (N)
• 1 measurement cable, green / yellow (PE)
• 8 current measurement cables
• 1 Crossover patch cable, CAT5e
Optional accessories:
Multi-range clamp-on current transformer
(100 / 200 / 300 or 250 / 500 / 1,000 or 1,000 / 2,000 / 3,000 A)
Fig.: Colour graphical display – Example
Voltage profile over time
Fig.: Measurement connection for current
transformer and voltage
93
Chapter 02
MRG 604 / 605 / 508 / 511
Device overview and technical data
Item number
Interfaces
MRG 604
MRG 605
MRG 508
MRG 511
52.16.901
52.16.902
52.21.901
52.19.901
•
•
•
•
Ethernet 10/100 Base-TX (RJ-45 socket)
Power quality measurements
Harmonics per order / current and voltage
1st – 40th
1st - 63rd
1st – 40th
1st - 63rd
Harmonics per order / active and reactive power
1st – 40th
1st - 63rd
1st – 40th
1st - 63rd
Interharmonics - current / voltage
-
•
-
•
Flicker: Short-term, long-term, present
-
•
-
•
128 MB
128 MB
256 MB
256 MB
300 V CAT III
300 V CAT III
600 V CAT III
600 V CAT III
LCD display,
2 buttons
LCD display,
2 buttons
Measured data recording
Memory (Flash)
Measured voltage input
Overvoltage category
Displays and inputs / outputs
LCD display
General
Use in low and medium voltage networks
Accuracy voltage measurement
Accuracy current measurement
Accuracy active energy (kWh, …/5 A)
Number of measurement points per period
Uninterrupted measurement
MRG 604 / 605
Colour graphical
Colour graphical
display 320 x 240,
display 320 x 240,
256 colours, 6 buttons 256 colours, 6 buttons
MRG 508 / 511
•
•
0.2
0.1
0.2
0.2
Class 0.5
Class 0.2
400
400
•
•
RMS - momentary value
Current, voltage, frequency
•
•
Active, reactive and apparent power / total and per phase
•
•
Power factor / total and per phase
•
•
•
•
Energy measurement
Active, reactive and apparent energy [L1, L2, L3, L4, Ȉ L1–3,Ȉ L1–4]
Recording of the mean values
Voltage, current / actual and maximum
•
•
Active, reactive and apparent power / actual and maximum
•
•
Frequency / actual and maximum
•
•
Demand calculation mode (bi-metallic function) / thermal
•
•
Operating hours measurement
•
•
Clock
•
•
Jasic®
Jasic®
Distortion factor THD-U in %
•
•
Distortion factor THD-I in %
•
•
Voltage unbalance
•
•
Current and voltage, positive, zero and negative sequence component
•
•
> 50 µs
> 50 µs
Other measurements
Weekly timer
Power quality measurements
Transients
Error / event recorder function
•
•
> 20 ms
> 20 ms
Oscillogram function (waveform U and I)
•
•
Under and overvoltage recording
•
•
Short-term interruptions
Measured data recording
Average, minimum, maximum values
•
•
Measured data channels
8
8
Alarm messages
•
•
Time stamp
•
•
Time basis average value
freely user-defined
freely user-defined
RMS averaging, arithmetic
•
•
Comment:
For detailed technical
information please refer
to the operation manual and
the Modbus address list.
-
•
• = included
– = not included
Displays and inputs / outputs
Colour display
94
Chapter 02
MRG 604 / 605 / 508 / 511
Voltage and current inputs
each 4
each 4
•
•
Modbus RTU, Modbus TCP, Modbus RTU over Ethernet
•
•
HTTP (homepage configurable)
•
•
SMTP (email)
•
•
NTP (time synchronisation)
•
•
TFTP
•
•
FTP (File-Transfer)
•
•
SNMP
•
•
DHCP
•
•
TCP/IP
•
•
BACnet (optional)
•
•
ICMP (Ping)
•
•
Online graphs
•
•
Historical graphs
•
•
Databases (Janitza DB, Derby DB); MySQL, MS SQL with higher GridVis® versions)
•
•
Manual reports (energy, power quality)
•
•
Graphical programming
•
•
Topology views
•
•
Manual read-out of the measuring devices
•
•
Graph sets
•
•
Application programs freely programmable
7
7
Graphical programming
•
•
Programming via source code Jasic®
•
•
277 / 480 V AC
417 / 720 V AC
480 V AC
600 V AC
Password protection
Communication
Protocols
02
Software GridVis®-Basic*1
Programming / threshold values / alarm management
Technical data
Nominal voltage, three-phase, 4-conductor (L-N, L-L)
Nominal voltage, three-phase, 3-conductor (L-L)
Measurement in which quadrants
Networks
Measurement in single-phase/multi-phase networks
4
4
TN, TT, IT
TN, TT
1 ph, 2 ph, 3 ph, 4 ph
and up to 4 times 1 ph
1 ph, 2 ph, 3 ph, 4 ph
and up to 4 times 1 ph
Measured voltage input
Measured range, voltage L-N, AC (without potential transformer)
10 … 600 Vrms
10 … 600 Vrms
Measured range, voltage L-L, AC (without potential transformer)
18 … 1000 Vrms
18 … 1000 Vrms
Resolution
0.01 V
0.01 V
Impedance
4 MOhm / phase
4 MOhm / phase
45 … 65 Hz
(MRG 604)
15 … 440 Hz
(MRG 605)
40 … 70 Hz
(MRG 508)
15 … 440 Hz
(MRG 511)
Power consumption
approx. 0.1 VA
approx. 0.1 VA
Sampling frequency
20 kHz / phase
20 kHz / phase
Frequency measuring range
Measured current input
Rated current
5A
5A
0.1 mA
0.1 mA
Measurement range
0.001 … 8.5 Amps
0.001 … 8.5 Amps
Overvoltage category
300 V CAT III
300 V CAT III
Resolution
Measurement surge voltage
4 kV
4 kV
Power consumption
approx. 0.2 VA
(Ri = 5 MOhm)
approx. 0.2 VA
(Ri = 5 MOhm)
Overload for 1 sec.
100 A (sinusoidal)
120 A (sinusoidal)
20 kHz
20 kHz
Sampling frequency
Comment:
For detailed technical information
please refer to the operation
manual and the Modbus address
list.
Mechanical properties
• = included
– = not included
Safety
*1 Optional additional functions
with the packages GridVis®Professional, GridVis®Enterprise and
GridVis®-Service.
Weight
Device dimensions in mm (H x W x D)
Protection class per EN 60529
Europe
approx. 2200 g
approx. 6000 g
approx. 270 x 124 x 246
approx. 411 x 168 x 322
IP20
IP20
CE labelling
CE labelling
Firmware
Firmware update
Update via GridVis® software.
Firmware download (free of charge) from
the website:
http://www.janitza.com/downloads/
95
Was this manual useful for you? yes no
Thank you for your participation!

* Your assessment is very important for improving the work of artificial intelligence, which forms the content of this project

Download PDF

advertisement