73
T
ECHNICAL DATA
UPS Models
30kVA
40 kVA
INPUT STAGE
Nominal voltage
208-220-228 Vac 3-phase with neutral (4 wire)
Nominal frequency
50-60Hz
Accepted input voltage tolerance due to no
intervention of the battery (referred to 220Vac)
20% @ 100% load
-40% +20% @50% load
Accepted input frequency tolerance due to no
intervention of the battery (referred to 50/60Hz)
20%
40-72Hz
Technology
High frequency IGBT or CoolMos with an independent digital PFC average
current mode control on each phase
Input current harmonic distortion
THDi
3 %
(1)
Input power factor
0.99
Power Walk In mode
Programmable from 1 to 125 sec. in steps of 1 sec.
Inrush current
< 10 In
OUTPUT STAGE
Nominal voltage
(2)
208/220/228 Vac 3-phase with neutral (4wire)
Nominal frequency
(3)
50/60Hz
Nominal apparent output power
30kVA
40kVA
Nominal active output power
27kW
36kW
Output power factor
0,9
Short circuit current
1,5 x In for t > 500ms
Precision of output voltage (referred to a 220Vac output
voltage)
1%
Static stability
(4)
2%
Dynamic stability
3% resistive load
(5)
Crest factor allowed with nominal load
3:1
Frequency precision in free running mode
0,01%
Inverter overload (Vin>190V AC )
103% Infinite, 110% 10 min, 125% 1 min
Bypass Overload
110% Infinite,125% 60 minutes, 150% 10 minutes
Technology
High efficiency inverter with digital multiprocessor (DSP+
P) voltage/current
control, based on signal processing techniques with feedforward
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