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LP33 Series UPS 40-120kVA 400Vac/CE
September 2004
Range
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Digital Energy™ LP 33 Series UPS
40-120 kVA Power
400 Vac 50 Hz
Designed using Six Sigma
Methodology
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CE marked, 400Vac In & Out, 50Hz
kVA Ranges
– 40-120kVA (100-120kVA Q1 2005)
True On-Line, Double Conversion
– Voltage and frequency independent
– Transformerless
Superior Performance
– Superior Battery Management
– Excellent Output Regulation
– High Efficiency
Clean Input
– High input power factor (0.98)
– Low input current THD (<10%, 5% optional)
Redundant Parallel Architecture™
– Up to 4 units parallel
– Decentralized bypass
Servicability
– Front access only design
– 24x7 Field Service Coverage
– Smaller operational footprint in the market
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GE Consumer & Industrial /
September 2004
New technology for functionality and
cost effectiveness
Unique booster
technology providing
5% THDI and PF 0.98 at
Input (standard 10%)
High efficiency and low
accoustic noise
Front access only for
installation and service
EMI filter to comply to
EN 62040 Class A
Highly competitive
footprint and low
weight
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GE Consumer & Industrial /
September 2004
Standard Booster Technology
Batt.Charger
Rectifier
DC link +
T1+
Booster pos
LC
filter
DC Cap
2x
Battery
bank 2x
Mains
T1-
IGBT
Inverter
Booster neg
DC link -
Batt.Charger
• Neutral connection is required
• Two battery strings of 20 blocks
• Rectifier is on or off (diodes)
Through going neutral
• There are two DC link voltages
• Booster is creating a regulated DC link
• Input neutral = output neutral
• Battery charger separated from rectifier
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GE Consumer & Industrial /
September 2004
GE’s Unique Booster+ Technology
DC link +
Rectifier
T3+
T2+
T1+
Mains
Booster pos
Neutral
T3-
T2-
T1-
Booster neg
3 phase booster
separate control for
each phase
DC link -
Booster for each phase ensuring low input THDI and high input PF (optional)
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GE Consumer & Industrial /
September 2004
Input performance
Sinusoidal input current
waveshape (THD <10%)
Harmonics Feedback
segnale
0.08
Current THDi : <10%
0.06
0.04
Power Factor : >0.98
0.02
0
Also at lower load levels
-0.02
-0.04
-0.06
-0.08
Advantages:
• Prevents need for oversized GenSet
• Reduced cost for cabling and fusing
1000
2000
3000
4000
5000
6000
7000
8000
9000
30
25
THD [%]
• No additional filters required
0
20
15
10
5
0
0
20
40
60
80
100
Load [kVA]
Input current THD <5% is optional (Booster+ technology)
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GE Consumer & Industrial /
September 2004
Energy Consumption
Efficiency: 92-94% (double conversion mode)
Bypass
Supply
Mains
Supply
Static Bypass
DC
AC
DC
AC
Rectifier
Inverter
Output
Filter
Battery
Bank
• The output voltage is newly generated, independently from the input voltage.
• Voltage and frequency variations at the input are not present at the output.
• Heat losses are present in Rectifier and Inverter
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GE Consumer & Industrial /
September 2004
ECO Mode
Supply the load via the bypass circuit in order to prevent heat losses. This can be
done only in case the bypass supply is in tolerance
Bypass
Supply
Mains
Supply
Static Bypass
DC
AC
Load
DC
AC
Inverter
Rectifier
Output
Filter
Battery
Bank
• Load is supplied via the bypass
• The rectifier keeps the batteries
charged
• The inverter is switched off (no heat
losses)
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GE Consumer & Industrial /
September 2004
Performance of ECO Mode
Simulation of transfer back to inverter
Output voltage
Bypass on/off
Fast Transfer to Inverter
< 2ms
Inverter current
Inverter control
• In case the bypass supply is out of tolerance the inverter will start immediately
• This transfer is done within 2 ms, which is more than sufficient for most loads
• Bypass supply voltage tolerance: +/- 10% (adjustable)
• Bypass supply frequency tolerance: +/- 5% (adjustable)
• Efficiency up to 98%
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GE Consumer & Industrial /
September 2004
RPA Redundant Parallel Architecture
LP Series is a cost effective and
reliable UPS system, using proven
technology
RPA features
• Up to 4 units in parallel
• Any UPS able to be the logic leader
• Decentralized bypass
To increase system reliability more
• No single point of failure
units can be connected in parallel
with GE‘s unique RPA concept
Utility Supply
To critical load
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GE Consumer & Industrial /
September 2004
Back feed protection
back feed
protection
Static
Bypass
Bypass
Mains
DC
AC
DC
Rectifier
AC
Load
Inverter
• Back feed protection: preventing feedback to the mains from the
inverter in case of mains failure and a fault in the bypass circuit
• It provides a safer environment for end users and engineers
• GE provides back feed protection as a standard. Others as option
• Backfeed protection is mandatory according to EN62040-1 (UPS safety)
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GE Consumer & Industrial /
September 2004
Performance Specification
Performance
Input THDI
Input PF
Output PF
Output THDU (linear load)
Output THDU (non-linear load)
Voltage regulation static
Dynamic response (load 0-100-0%)
Noise dB(A)
Efficiency
Cabinet Dimensions
40-60 kVA CE
80 kVA CE
100-120 kVA CE
<10% (<5% Option)
0,98
0,8
2%
3%
+/-1%
+/-3%
<60/65 dB(A)
92-94%
WxHxD 600x1400x725mm
WxHxD 600x1800x725mm
WxHxD 725x1800x725mm
Best in Class for Performance
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GE Consumer & Industrial /
September 2004
Electro Magnetic Compatibility IEC
62040-2 Class A
Emission
All electronic equipment emits electromagnetic waves through cables (conducted)
and air (radiated)
Immunity
All electronic equipment is sensitive for electromagnetic waves. These waves can
disturb the function of this equipment
Electro Magnetic Compatibility
Different types of equipment (all emitting electromagnetic waves) can work
properly even when installed close to each other. They are compatible
IEC 62040-2 is a standard that defines the limits of
maximum allowable levels of emission of
electromagnetic disturbances for UPS systems
This certifies the proper functionality of a UPS system
and other equipment close to in the environment
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GE Consumer & Industrial /
September 2004
Electro Magnetic Compatibility IEC
62040-2 Class A
LP 33 complies to IEC 62040-2 Class A
Input
Output
Class A level
EMI is a key issue in broadcasting, telecom and other applications where
electromagnetic interference exists or needs to be prevented
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GE Consumer & Industrial /
September 2004
Highly competitive footprint
Foot Print
0.90
0.80
0.70
Sqm
0.60
0.50
0.40
Best in Class
0.30
0.20
0.10
0.00
40/60kVA
MGE
80kVA
Powerware
100kVA
Socomec
120kVA
Newave
GE
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GE Consumer & Industrial /
September 2004
Service access via front only
Multi Side Access Required
1925
UPS
750
Footprint*
UPS
Operational
: 580 x 750 = 0.435 sqm
: 1925 x 1200 = 2.31 sqm
UPS needs 600mm on all sides for access
580
1200
Front Access Only (GE)
UPS
1325
600
725
Footprint*
UPS
Operational
: 600 x 725 = 0.435 sqm
: 600 x 1325 = 0.795 sqm
Front access reduces
operational footprint with 65%
*Based on 60-80kVA compared to
competitor with smallest footprint
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GE Consumer & Industrial /
September 2004
Interfacing Features
RPA option
SNMP Interface (optional)
Customer interface card (optional)
RS 232 / EPO
Potential free contacts 4x
Manual bypass
I/O Terminals
ON
ON
OFF
OFF
LP 33 Ser
ies 40 kV
A
Optional:
MODBUS RTU Interface (RS232 or RS485)
Optional customer interface card
with 6 programmable potential
free contacts and Genset on contact
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GE Consumer & Industrial /
September 2004
Highlights
• Front & Top access
• Low Input Current THD (<5%)
• High Input Power Factor (>0.98)
• High efficiency ECO Mode
• RPA with decentralized bypass
• Smallest footprint in market
• Standard backfeed protection
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GE Consumer & Industrial /
September 2004
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GE Consumer & Industrial /
September 2004