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6.4.3
Inverter Output
Table 13
Inverter output
Rated Power kVA
Rated voltage, VAC
Supply
Frequency, Hz
Rated Power, kW
Three-phase transient
overload, min. load
Voltage Regulation%
Frequency Regulation%
Maximum rate of change
of frequency, Hz/sec
See Table 8 for current ratings.
6.4.4
Bypass Input
Table 14
Bypass input
Rated Power, kVA
Rated voltage, VAC
Supply
Bypass voltage tolerance%
Frequency, Hz
Input frequency tolerance%
Bypass overload
capacity (all ratings)
See Table 8 for current ratings.
Bypass frequency synchronization range setting should be wider than bypass frequency shift range.
40
60
60 (50Hz in frequency converter mode)
36
54
±1% 3-phase RMS average for a balanced three-phase load for the combined variation
effects of input voltage, connected load, battery voltage, ambient temperature and load
power factor
±2% 3-phase RMS average for a 100% unbalanced load for the combined variation
effects of input voltage, connected load, battery voltage, ambient temperature and load
power factor
Nominal frequency regulation is ±0.05% in single module mode,
Selectable from 0.1Hz/sec to 3.0Hz/sec maximum for single unit
Fixed maximum of 0.2Hz/sec for paralleled units
40
60
Upper limit: +10%, +15% or +20%; Upper limit default: +15%
Lower limit: -10%, -20%, -30% or -40%; Lower limit default: -20%
±2.5%, ±5%, ±10% and ±20%; default ±10%
Rated Output Current: Duration of Overload
105% to 110%: 60 Minutes
111% to 125%: 10 Minutes
126% to 150%: 1 Minute
40
80
100
120
480
3-phase, 3-wire plus ground
72
90
108
105% to 110% for 60 minutes
111% to 125% for 10 minutes
126% to 150% for 1 minute
and+/- 0.25% in parallel mode.
80
100
480
3-phase, 3-wire plus ground
60
1000%: 100 Milliseconds
UPS Specifications
160
200
144
180
120
160
200
®
Liebert
™
NX
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