Chapter 11 Specifications 139
Liebert EXM 80kVA ~ 200kVA UPS User Manual
11.6
Electrical Characteristics (Inverter Output)
Table 11-6
Inverter output (to critical load)
Item
Unit
Rated power (kVA)
80
100
120
160
200
Rated AC voltage
1
Vac
380/400/415 (3-phase 4-wire, with neutral reference to the bypass
neutral)
Frequency
2
Hz
50/60
Power factor
1 (0<t≤30°C); 0.9 (30°C<t≤35°C); 0.8 (35°C<t≤40°C)
Overload
%
<105%, long time; <110%, ≤1hr; <125, ≤10min; <150, ≤1min
Max. short circuit current of
inverter
A
460
690
690
920
1150
Non-linear load capability
3
%
100
Steady state voltage
stability
%
±1
Transient voltage response
%
±5
Total voltage harmonic
distortion
%
< 1 (linear load), < 3 (non-linear load
3
)
Synchronisation window
Hz
Rated frequency ±2Hz (Range: 50/60Hz ± 10%)
Slew rate (max. change rate
of synchronisation
frequency)
Hz/s
0.6; setting range: 0.1 ~ 3
1. Factory set to 380V. 400V or 415V can be selected by service engineer at site.
2. Factory set to 50Hz. 60Hz can be selected by service engineer at site. Note that the system frequency can be
changed only when the UPS is on bypass. It is strictly prohibited to change the system frequency when the UPS is on
inverter.
3. EN 50091-3 (1.4.58) crest factor 3:1, non-linear load.
11.7
Electrical Characteristics (Bypass Input)
Table 11-7
Bypass input
Item
Unit
Rated power (kVA)
80
100
120
160
200
Rated AC voltage
1
Vac
380/400/415, 3-phase 4-wire, sharing neutral with the rectifier input and
providing neutral reference to the output
Rated
current
380V
400V
415V
A
121
151
181
242
302
A
116
145
174
232
290
A
111
139
166
222
278
Frequency
2
Hz
50/60
Bypass voltage tolerance
%Vac
Upper limit: +10, +15 or +20, default: +15
Lower limit: -10, -20, -30 or -40, default: -20
(delay time to accept steady bypass voltage: 10s)
Bypass frequency tolerance
%
±10 or ±20, default: ±10
1. Factory set to 380V. 400V or 415V can be selected by service engineer at site.
2. Factory set to 50Hz. 60Hz can be selected by service engineer at site.
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