SG-Series Brochure
Critical Power
SG Series UPS
10-600 kVA three phase 400 Vac
with ultra-high efficiency eBoost technology
imagination at work
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From protecting assets such as generators, transmission lines and motors,
to ensuring secure wireless data transmission & providing uninterruptible
power, GE delivers industry-leading technologies to solve the unique
challenges of each customer.
GE SG Series Uninterruptible Power Supplies 10-600 kVA
The GE SG Series is one of the best performing and most reliable
three-phase UPS systems providing critical power protection for
a wide range of applications. The SG Series operates in VFI mode
(Voltage Frequency Independent) and has been developed to
satisfy the growing request of clean input performances through an
innovative control algorithm on the IGBT rectifier power components
instead of using standard filters. The SG Series is developed using
GE’s Design for Six Sigma methodology to ensure that the product
fully meets customer requirements and expectations.
The SG Series UPS provides top class reliability and performance.
With backfeed protection and compliance to EMC and safety
standards the SG Series complies to current standards. Reliability
can be further increased by paralleling more units utilising GE’s
unique RPA™ technology (Redundant Parallel Architecture).
Through their complete life cycle, all GE UPS systems are fully
supported by service teams which provide world-class, 24x7
preventive and corrective services, training and application
Ensuring uptime for critical processes
Utility Power
cleaning utility
power and bridging
the gap between loss
of utility power and
generator availability
Transfers critical
loads to the most
stable power source,
ensuring sustainable
Protects computers,
servers,etc from
power surges
coming from utility
and generator feeds
Manages generator
startup and
ensuring safety and
For mission critical processes,
customers rely on our industryleading power quality solutions
to increase critical system
reliability. GE’s Critical Power
business has technology that
delivers superior performance
and industry-leading energy
efficiency for facility backup
power management. In
addition to our UPS Solutions,
we provide the Standby
Generator Paralleling
Switchgear, Automatic
Transfer Switches and Surge
Suppression Devices that
deliver power efficiently and
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SG Series 10-600 kVA UPS
Delivering Best-in-Class Efficiency with eBoost Technology
GE’s SG Series is one of the most efficient and reliable Three Phase UPS
Systems, providing best-in- class output performance and critical power
protection for your data center needs. The SG Series UPS solutions are
designed and optimized to provide high efficiency at part load conditions.
The SG Series UPS assures low input current harmonic distortion and
best-in-class output voltage regulation and dynamic response. This helps
customers save operational costs while implementing environmentallyfriendly solutions.
Low total cost of ownership
High efficiency in double conversion up to 94% and eBoost mode
operation up to 99%.
eBoost* operation minimizes efficiency losses providing annual power
& cooling savings up to $300k for 5MW data center
PurePulse IGBT rectifier keeps your supply network clean and provides
advantages by reducing size of circuit breaker, cables and generator.
Easier Installation and Configuration Flexibility
True front access for operation and maintenance, reduces mean time
to repair (MTTR)
Smaller size reduced installation and operational foot print
Redundant Parallel Architecture for reliability, redundancy & scalability
Parallel up to 6 UPS Modules
High Performance and Availability
Enhanced output performance to protect and supply modern IT load
with lagging-leading power factor (0.9) without derating
Excellent dynamic performance and low output voltage distortion
Inverter zig-zag isolation transformer provides better short circuit
capability and load galvanic separation
Key Features
PurePulse – IGBT rectifier clean input <2% THDi
eBoost technology for high efficiency up to 99%
Output power factor:
1.0 (10-40 kVA), 0.9 (60-600 kVA)
True front access design
Smaller foot print
Inverter Zig-Zag isolation transformer
Extremely low output voltage distortion
Superior battery management
Intelligent Energy Management integrated (IEMi)
eBoost option is available on 160-500 kVA UPS models.
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Energy Efficiency is our focus
The GE SG Series is one of the most energy efficient double-conversion UPS with output transformer topology in the industry,
and provides world-class energy efficiency across the operating load range.
GE’s UPS performance is optimized at 50-75% load operation, as this is the most common operating range. The optimization of
the SG Series includes selecting all major power chain components based on maximizing the component efficiency at part load
True efficiency
GE UPS efficiency data are real values confirmed by
measurements, representing the state of the art of power
electronic technology.
This avoids any surprise in cooling system design and in
economical evaluation of energy consumption over the life
cycle, ensuring peace of mind for your investment.
efficiency %
SG Series 200 kVA Efficiency
eBoost Savings
eBoost* operation provides
considerable energy life cycle cost
savings ranging from $0.5MM to
$7MM**. Savings are dependent
upon load, power costs and life cycle
duration (years).
Data Center Life Cycle Cost (10 Years)
* e
Boost option is available on 160-500 kVA
UPS models.
** Assumptions:
Power Cost = $0.10/kw-hr
Operating Hrs/Year = 8.760
Configuration = S+S operating at 50%
of capacity
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Ultra-High Efficiency Mode
Energy consumption is a critical issue for IT organizations as their
datacenter energy demands continue to grow. Their goal is to
reduce cost and keep the datacenter running. IT organizations
can reduce energy consumption costs without sacrificing system
reliability with GE’s eBoost technology.
Technology Features
Up to 99% UPS efficiency
Compliant to ITI (CBEMA) curve during transient events
Patented power electronics and magnetics ensures less than
2ms transfer time to inverter
Patented power conditioning/filtering design via bypass
inductor and output transformer/capacitor while in eBoost
Battery trickle charge in eBoost operating mode
Up to 3 MW UPS capacity using paralleled modules
eBoost Performance
What is eBoost?
e = high efficiency up to 99%
Boost = fast transfer to inverter < 2ms
Customer Benefits
80% reduction in UPS losses
System energy cost savings
Reduced heat (BTU) generation
Energy savings from reduced cooling
Extend UPS component life
User-programmable scheduling
On SG Series UPS products, 160-500 kVA,
single module and Redundant Parallel
Architecture (RPA) operation:
Transfer time: <2ms
Input voltage range: +/- 10%
Input frequency range:
+/- 2%
up to 99%
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Innovative Product Technology
Digital Signal Processor (DSP)
PurePulse™ - IGBT rectifier clean input
DSP (Digital Signal Processor) performance enables the high
sampling rates required to achieve the appropriate bandwidth
for the current and voltage controls for an efficient doubleconversion UPS.
PurePulse is an innovative control algorithm applied on the IGBT
rectifier (available from 10 to 500 kVA).
This current source rectifier assures an input Total Harmonic
Distortion (THDi) of less than 2% and draws a pure sinusoidal
waveform from the mains.
High speed sampling rate for precise RPA control
Faster transient response time
Redundant high speed communication
All digital controls for increased reliability and stability
All system control parameters are adjustable from the
front panel
UPS input performances
Total Current Harmonic Distortion THDi = 2% without
additional harmonics filters
UPS input power factor: 0.99
Constant behavior at all loads
Zig Zag Output Transformer
Negligible harmonics contents at full and partial loads.
The ZigZag transformer enables the UPS to run with heavily
unbalanced loads while supplying full kVA output capacity at
100% non-linear load.
Superior Battery Management (SBM)
The secondary windings of the output transformer form a
ZigZag pattern to cancel triplen (third order) load harmonics.
This reduces neutral conductor loading and losses in all
the conductors and the input transformer. Inverter output
transformer inductance filters noise during eBoost operation.
Every GE UPS incorporates a standard feature called Superior
Battery Management (SBM) that can be configured to
periodically test the battery system and calculate true battery
runtime using measured values for temperature and load.
Provides Galvanic Isolation of the
Online Battery Test: The risk of load loss is prevented by
periodic rectifier/battery testing to insure proper operation
Protects Inverter from
Non-Linear Loads
Increases Battery Life: Monitors all key parameters of the
battery plant to maximize reliability and warn of possible
Protects Inverter from High Inrush Loads
No Magnetizing Inrush Current during eBoost Transfers
Works with all Battery Types: Flooded, VRLA, NiCD
Space Vector Modulation (SVM)
Space Vector Modulation is the next generation of Pulse Width
Modulation (PWM) inverter control technology.
SVM uses an advanced switching technique for PWM driving
Insulated Gate Bipolar Transistors (IGBT). The objective of SVM is to
generate the output voltage vector using simpler switching pattern
In traditional PWM, the triangle wave is compared to a reference
sinewave. The result is a pulse width modulated rectangular
waveform, which is used to provide gate signals to the IGBTs.
PWM signals have to be calculated in real time and normally
require 3-dimensional calculations (one for each three phase leg)
to determine the inverter state. By using SVM, the calculation is
simplified to a 2-dimensional “space vector” in a polar coordinate
plane, speeding up the response and improving system
Higher efficiency at full and
partial load
Reduces IGBT switching
Improved output
Reduces Total Harmonic
Distortion (THD) with nonlinear loads and improves transient response to step loads
Precise paralleled system performance
More accurate load sharing for RPA operation.
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Input Performance
PurePulse™ technology for clean input source
Input Performance
Robust Rectifier for Wide Input Range
The wide AC input voltage and frequency window avoids
unnecessary battery discharge even when operating from an
unstable AC source (i.e. diesel generator).
GE performance
Input frequency
+ 10%
From thyristor to IGBT rectifier, a technology breakthrough
innovation toward the future.
PurePulse is an innovative control algorithm applied on the
IGBT rectifier. This current source rectifier assures an input
Total Harmonic Distortion (THDi) of less than 2% with
input power factor PF = 0.99 and draws a pure sinusoidal
waveform from the mains. The advantages of GE’s PurePulse
technology span from savings in the sizing of upfront
equipment (such as emergency generator, cabling and circuit
breakers) to a total elimination of cost for additional active or
passive filters.
50 Hz
Saving in the sizing of upfront equipment e.g.
emergency generators, cablings, circuit breakers, ...
Saving cost due to no additional filters; Avoid the
installation and the tuning of additional harmonics traps
No disturbances to nearby equipment; Eliminate any
cause of perturbation and outage on upfront electrical
equipment, avoiding also any investigation and
analysis cost due to malfunction
- 10%
- 15%
Input voltage
Programmable Soft Start
Allows the rectifier to ramp up in a programmable time period
(0-15 seconds) eliminating in-rush current. This feature reduces
the need of oversizing the input power system (gensets, feeder
cables, and overcurrent devices).
Generator Compatibility
User-programmable features such as slew rate, phase angle
rate-of-change and voltage rate-of-change allow the UPS
to quickly sync to a genset during emergency back-up. GE’s
optional input filter also has user-programmable features
ensuring quick and continuous synchronization to generator
PurePulse™ technology
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Output Performance
Output power capability
Total Harmonic Distortion (THD)
A distorted output voltage waveform affects the proper function
of the load’s equipment. The SG Series has very low output
voltage THD, even with connected 100% unbalanced or 100%
non-linear loads.
Transient Response
With the use of SVM and the ZigZag transformer, the GE UPS
can react very quickly to zero-100% step loads (within 1/3 cycle).
This reduces the need to oversize the UPS for severe pulse-load
Nowadays IT installation requirements is driving to power
sources able to supply loads with leading power (capacitive
loads) without affecting the power capability. Whereas most of
the UPS available in the market are designed to supply loads
up to power factor 0.8 lagging, the SG Series UPS are able
to supply full power without any derating for all loads from
0.9 lagging to 0.9 leading. This unique characteristic avoids
any UPS oversizing in case of unity or leading power factor
as for computer loads. The table below shows the additional
power (kW) available compared to UPS designed according to
traditional technology.
Overload Capabilities
UPS rating
The SG Series UPS has a robust inverter capable of delivering
150% overload for 1 minute and 125% for 10 minutes, ensuring
power protection safety for applications requiring start-up
overcurrent and for temporary peak load.
Load power
GE-SG Series
400 kW
450 kW
450 kW
450 kW
technology for
400 kW
387 kW
362 kW
300 kW
SG Series
power available
Voltage regulation
SVM and the Zig-Zag transformer enable the inverter to react
very quickly under step load conditions. As a result, the GE UPS
has very tight voltage regulation during step loads and 100%
phase-to-neutral (Ph-N) load imbalances.
500 kVA
Short-circuit capability
The SG Series inverter supplies 2.7 and 4.0 times (for 200 ms) the
nominal current respectively for ph-ph and ph-N/PE shortcircuit, ensuring the proper selectivity of the protection devices
(fuses and breakers).
SG Series power capability (60-600 kVA)
Designed to supply real power for
any type of application
- inductive loads
- resistive loads
- capacitive loads
No de-rating required to supply
resistive and capacitive loads (0.9)
Suitable for modern power supply
application with unity or capacitive
power factor, crest factor up to 3:1
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Redundant Parallel Architecture™ (RPA) System Configuration
GE provides RPA, a unique technology that can parallel UPS modules with true redundancy by eliminating any single point of failure. RPA
provides a scalable paralleling technique that reduces operating footprint and increases system reliability by eliminating the need for
external paralleling equipment and cabinets (centralized bypass and master control).
One of the UPS modules in the system intelligently takes the leadership role, while the other UPS modules have access to all control
parameters. If one UPS fails to operate, the load is automatically redistributed among the others. If the lead UPS fails to operate, then
another UPS automatically takes on the leadership role. GE’s RPA technology is implemented by distributing the control electronics within
each UPS module in the system.
RPATM System Advantages
No Single Points of Failure
Redundant Communication
The RPA system provides complete redundancy of all critical
components, allows paralleling of up to 6 units for increased
load capacity or redundancy.
Redundant high speed bus and control electronics provide higher
system reliability.
Bypass Inductor Design
Ensures excellent output voltage regulation between
paralleled modules and assists bypass line conditioning
(eBoost only). Bypass inductor design & RPA cable saver
available only for eBoost unit 160-500 kVA.
Scalable and Modular
The system can be easily expanded for higher capacity and
redundancy without any interruption to the critical load or
transfer to bypass.
Distributed Control Logic
Each module in an RPA system has its own operational
controller. Each one continuously communicates with all
others in order to manage the entire system like a team.
Online Maintenance
N+1 configurations allow maintenance on any single module in
the system while other modules provide online protection with
battery backup.
Sequential Soft Start
Provides sequential soft start of each module to reduce
instantaneous load on input feeders during mains recovery. This
helps avoid over-rating of generator and overheating of cable and
RPA Cable Saver
UPS Module input and output cable length variation up to 10%
between modules. With eBoost technology this cable length
flexibility is increased up to 25% between modules.
Smaller Footprint
RPA eliminates centralized control and external static bypass
GE’s RPATM System
Configurable up to 6 units in
Future expansion
Safe and reliable power
Redundant Communication
Easy to install and maintain
Easy system upgrade/
Maintenance operation
without load interruption
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Software & Connectivity Solutions
Protection Software
GE Data Protection software can communicate with the UPS
over RS-232, USB or SNMP to receive status information and
measurement values of the UPS. In case of a critical condition
(time on battery, remaining battery autonomy time or low battery)
for the load, the software starts a controlled shutdown.
An enhanced alarm management system provides the possibility
to start applications, send messages, and send e-mails for every
upcoming or disappearing alarm.
Remote Monitoring and Diagnostic Solution
GE remote monitoring solution is an anytime, anywhere concept in
UPS status monitoring and alarm notification supporting all GE UPS
product lines.
Accessing the latest site information via Web and being alerted by
Email or SMS , it enables the user to make timely decisions in case
of changing critical conditions. With comprehensive data collection
and analysis it improves diagnostics capability and enhances
response time.
data center
24/7 remote access to your UPS data using standard web
Automatic alerting in case of event direct and immediately to
you cell phone or by email
Regularly operational reports with proactive information on
critical data
Preventative information using PMAD (Preventative Maintenance
& Advanced Diagnostics) feature
Possibility to reduce intervention and onsite work
Remote Connectivity to Building Management Systems
This optional Standard Network Management Protocol (SNMP)
Plug–In Card allows the UPS to communicate over a LAN or
interface through all major building management systems
Integrates a modern web server for UPS monitoring Via LAN,
drives remote server shutdown in case of critical UPS alarms
and works as Modbus TCP Converter “as well as Modbus RTU
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Intelligent Energy Management Integrated (IEMi)
GE’s Intelligent Energy Management integrated (IEMi) operating
mode offers the capability to optimize and increase system
efficiency while maintaining the system reliability for UPS’s in a
redundant parallel architecture (RPA™).
UPS system sizing accounts for normal load requirement, overload and capacity for future expansion. In addition, redundancy
level of N+1 or N+2 is considered to enhance system reliability.
Most UPS systems typically operate at low load levels <50%.
At load level of less than 30-40%, efficiency of UPS decreases
in comparison to normal operating load range of 40%-75%. In
redundant parallel architecture (RPA™) system of 4 UPS modules
its more efficient to have 2 UPS operating at 40% load range than
4 units operating at 20% load range.
User programmable scheduling
Front graphic panel accessible set-points
Reduction in UPS losses and cooling
Double conversion operation - no compromise on
power quality
System energy cost savings
Redundant operation - no compromise on system
Cyclic operation ensures even UPS run-time
For parallel UPS installations, IEMi operating mode saves energy
by dynamically utilizing the UPS modules as needed to meet the
required output power without compromising power quality to the
critical load.
Features & Benefits
load %
Power Quality Service
Performance Through People
Whether you are a large corporation with multiple sites or a small business owner with
a single location, GE will enable you to have a constant supply of clean and reliable
power to keep your business up and running.
GE has local offices in a number of countries around the globe and also a network
of selected business partners, whose salespeople and service engineers combine
expertise in our solutions with an in-depth knowledge of local market conditions.
GE’s service & authorized service providers business partners, located in more than
100 countries around the world, use all that expertise and knowledge to adapt GE’s
products and services precisely to their customers’ needs.
On site & emergency services
Support and remote services
Service agreements
Online support
Spare parts and repairs
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Technical Specifications
Output Power rating (kVA)
Output Power Rating (kW)
Output Power Factor
0.9 lead. - 0.6 lag
Efficiency (eBoost mode, option)
Rectifier Technology
0.9 lead. - 0.9 lag.
up to 99% (available for 160-500 kVA only)
up to 92.3%
up to 94%
IGBT PurePulse™
Dimensions (w), mm
Dimensions (d), mm
Dimensions (h), mm
340 - 460 Vac
45 - 66 Hz
45 - 65 Hz
3x380/400/415Vac, user selectable
50/60 Hz +/- 0.1%
Voltage THD at Linear Load
< 2%
Voltage THD at Non-linear Load
< 3%
< 1.5%
< 3%
Voltage Regulation Static
< +/- 1%
Voltage Regulation Dynamic
(100% step load)
+/- 3%
< +/- 2% (recovery time < 5 ms)
Overload Capability/Inverter
125% 10 min., 150% 1 min
VFI (Voltage Frequency Independent) according to IEC 62040-3
Audible Noise, db(A)
< 65
< 69
Protection Degree
< 75
IP 20
Ambient Operating Temperature
Operating Modes
0-40° C
Double conversion, automatic bypass, Super ECO mode (60-120kVA), eBoost mode (160-500kVA, option), frequency converter, RPA
CE Mark, IEC 62040-1, IEC 62040-2, IEC 62040-3, IEC 60950
Safety Standards
EN/IEC 62040-1
EMC Standards
EN/IEC 62040-2
* at 30° C operating temperature
Current THD
Voltage Range
Frequency Range
Weight (kg)
up to 6 units
160-500 kVA: RAL 9005, black; other models RAL 9003, white
1 - add 20kgs, 2 - add 30kgs,
3 - add 75kgs, if with eBoost option
Specifications subject to change without prior notice
GE Austria GmbH
Donau-City-Strasse 6/3
A-1220 Vienna
Tel. +43 (0) 1260 16 251
GE Consumer & Industrial GmbH
Robert-Bosch Str. 2a
D-50354 Hürth-Efferen
Tel. +49 (0) 2233/ 9719-0
GE Power Controls
Ul. Odrowaza 15
PL-03-310 Warszawa
Tel. +48 (0)22 519 76 00
GE Consumer & Industrial SA
Via Cantonale 50
CH-6595 Riazzino (Locarno)
Tel. +41 (0)91 850 51 51
GE Industrial Belgium
Nieuwevaart 51
B-9000 Gent
Tel. +32 (0)9 265 21 11
GE IMV Deutschland GmbH
Berliner Platz 2-6
D-24534 Neumünster
Tel. +49 (0) 4321 – 201 700
Ul. Leszczyńska 6
PL-43-300 Bielsko-Biała
Tel. +48 (0)33 828 62 33
GE Ukraine
42/44 Shovkovychna str.
Horizon Tower, 8th Floor
01601, Kyiv
Tel. +380 (0)44 490 69 84
E-mail: [email protected]
GE Critical Power
Samsøvej 10
DK-8382 Hinnerup
Tel. +45 (0)40 31 80 05
E-mail: [email protected]
GE Industrial Solutions
Kuortaneenkatu 2
FI-00510 Helsinki
Tel. +358 (0)10 394 3760
GE Industrial Solutions
Paris Nord 2
13, rue de la Perdrix
F-95958 Roissy CDG Cédex
Tel. +33 (0)800 912 816
imagination at work
GE Hungary Kft.
Vaci ut 81-83.
H-1139 Budapest
Tel. +36 (0)1 447 6050
GE Industrial Solutions
Centro Direzionale Colleoni
Via Paracelso 16
Palazzo Andromeda B1
I-20864 Agrate Brianza (MB)
Tel. +39 (0)39 637 371
GE Industrial Solutions
Parallelweg 10
NL-7482 CA Haaksbergen
Tel. +31 (0)53 573 03 03
GE IMV Nederland BV
Manuscriptstraat 12
NL-1321 NN, Almere
Tel. +31 (0)36 547 15 47
GE Industrial Solutions
Budynek BPH, 1 piętro
Ul. Towarowa 25a
PL-00-869 Warszawa
Tel. +48 (0)22 520 53 53
GE Industrial Solutions
27/8, Electrozavodskaya street
Moscow, 107023
Tel. +7 (0)495 937 11 11
E-mail: [email protected]
South Africa
GE Industrial Solutions
Unit 4, 130 Gazelle Avenue
Corporate Park Midrand 1685
P.O. Box 76672 Wendywood 2144
Tel. +27 (0)11 238 3000
Calle Miño 122 Naves E-F
Polígono Industrial Santa Margarita
S-08223 Terrassa (Barcelona)
Tel. +34 (0)900 993 625
Calle Gobelas 35-37
S-28023 Madrid
Tel. +34 (0)91 7336000
© General Electric Company, USA. All Rights Reserved (12/2014). Reproduction only upon written consent by GE.
GE and the GE monogram are trademarks and service marks of General Electric Company. GE reserves the right to make changes to
specifications of products described at any time without notice and without obligation to notify any person of such changes.
SG-Series-CE-brochure-GEA-D 1100-GB-y14m12d01.indd 12
United Arab Emirates
GE Industrial Solutions
Injaz Building, 3rd Floor
Dubai Internet City
PO Box 11549, Dubai
Tel. +971 (0)4 4546912
United Kingdom
GE Industrial Solutions
2 The Arena, Downshire Way
Bracknell, Berkshire
RG12 1PU
Tel. +44 (0)800 587 1239
3 Oakland Road
Leicester, LE2 6AN
Tel. +44 (0) 116 274 6205
Fax +44 (0) 116 274 6201
E-mail: [email protected]
GEA-D 1100 GB
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