0MLMHTM16RUENUB page 79 / 85
UPS models
160kVA
200kVA
250kVA
INVERTER
Rated power Pf 0.9 (kVA) inductive
160
200
250
Active power Pf 1 (kW)
144
180
225
Rated power reduction factor (kVA/kW)
for Pf =0.8/0.9 capacitive
0.85/0.89
Rated voltage
480Vac 3-phase + N
Rated frequency
60Hz
Rated voltage adjustment field
+5% -10%
Static variation
± 1%
Dynamic variation
± 5%
Recovery time within ± 1%
20ms
Conforms to standard IEC 62040-3, class 1
Non- linear load capability
Conform to standard IEC 62040-3 annex E
Voltage distortion with linear load
1% (typical), 2% (max)
Voltage distortion with non- linear load
< 3%
Stability of frequency with Inverter
synchronized with the bypass mains
± 2% (adjustable from ± 1% to ± 6% from control panel)
Stability of frequency with Inverter not
synchronized with the bypass mains
± 0.05%
Speed of frequency variation
1Hz/sec
Dissymmetry of the phase voltages
with balanced and unbalanced load
≤ 1%
Voltage phase shift with balanced and
unbalanced load
120 ± 1 °el
Overload with reference to the rated
power:
Three phase
110% for 60min , 125% for 10min , 150% for 1min
Mono phase
200% for 7 second
Short circuit current
Phase / Phase
180% for 1 second with current limiting
Phase / Neutral
300% for 1 second with current limiting
Inverter efficiency (%)
95%
Normal mode AC/AC efficiency
93%
Normal mode heat rejection (BTU/Hr)
36,860
46,072
57,676