MaxPower Corp GE LP11 UL 924 User Manual
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TDS_LPE_11U_6K0_10K_1UL_V010.doc
Technical Data Sheet LP 11 924 Series 6 & 10 kVA
Battery charger
Battery charging characteristic
IU (DIN 41773) constant current charging until floating voltage, then constant
voltage charging + boost charge
DC input voltage range
350 - 450 V
DC output voltage (Float/Boost)
271/295.5V
Output current limitation
A
4.2
4.2
Recharge time
80% capacity
20 hours
24 hours
Battery data
Battery type
Sealed and maintenance free (VRLA=Valve Regulated Lead Acid)
Float voltage at 25°C
271 V
Number of 12V batteries
20x78Ah
20x91Ah
Standard backup time at 100% load
PF=0.8
Minutes
150
93
Output converter (inverter)
Full load output power at PF=0.8
kVA
6
10
Full load output power with resistive load
kW
4.8
8
Full load AC output voltage
120, 208, 220, 230, 240, 277V
Output voltage waveform
Sine wave
Output voltage tolerance:
- static resistive load
+/- 1%
- dynamic mean deviation over half cycle
(load step 0-100-0%)
+/- 2%
- with measured non-linear load 2.5:1
+/- 2%
- recovery time to +/-1%
10ms
Overload capability (battery operation)
110%: 20 min., 130%: 3.5 min., 150%: 2 min.
Short circuit capability (240ms)
2.1 x full load current
Output frequency
50/60Hz (selectable)
Output frequency tolerance
+/- 0.1%, unless synchronized with the utility
Frequency tracking range
+/- 2, 4 or 6% of nominal (selectable)
Max. phase shift difference input-output
7°
Harmonic distortion with linear load
1% max
Harmonic distortion with non-linear load
(EN 50091-3)
<10%
Power factor range
Any lagging or leading power factor is permitted within the specified
rating to PF=0.5
Crest factor handling capability of a non-linear load 5:1
Output power derating altitude
Up to 1000m/3281ft. no derating
Above 1000m/3281ft. 12.5% per 1000m/3281ft., max. 4000m/13124ft.
Protection
Automatic shut down (or transfer to bypass if available) in case of:
- low/high DC voltage
- overtemperature
- overload / short circuit
Output protected against connection to the mains
Short-circuit clearance capability
20% full load current within 10 ms with MCB class B
Inverter bridge
PWM and IGBT technology