TECHNICAL DATA
UPS Models
10 kVA
12 kVA
15 kVA
20 kVA
Input stage
Rated voltage
380-400-415 Vac Three-phase with neutral (4 wires)
Rated frequency
50-60Hz
Accepted tolerance for input voltage without
activation of battery (for 400Vac)
±
20% @ 100% load
-40% +20% @50% load
Accepted tolerance for input frequency without
activation of battery (for 50/60Hz)
±
20%
40-72Hz
Technology
IGBT high frequency with PFC control, independent digital average current mode on
each input phase
Input current harmonic distortion
THDi
≤
3 %
(7)
Input power factor
≥
0.99
Power Walk-in
Programmable from 5 to 30 sec. in steps of 1 sec.
Output stage
Rated voltage
(1)
380/400/415 Vac Three-phase with neutral (4 wires)
Rated frequency
(2)
50/60Hz
Rated apparent output power
10kVA
12kVA
15kVA
20kVA
Rated active output power
9kW
10.8kW
13.5kW
18kW
Output power factor
0,9
Short circuit current
1,5x In for t>500ms
Precision of output voltage (with respect to output
voltage 400Vac)
±
1%
Static stability
(3)
±
0.5%
Dynamic stability
±
3% resistive load
(4)
Output voltage harmonic distortion with
standardized linear and distorting load
≤
1% with linear load
≤
3% with distorting load
Crest factor allowed at rated load
3:1
Precision of frequency in free running mode
0.01%
Inverter overloads @ PFout = 0.8
(Resistive load)
115% continuously
125% 10 min
150% 1 min
168% 5 sec
>168% 0.5 sec
Inverter overloads @ PFout = 0.9
(Resistive load)
110% 10 min
133% 1 min
150% 5 sec
>150% 0.5 sec
Bypass overload
110% continuously
133% 60 minutes
150% 10 minutes
>150% 2 sec
Technology
IGBT high frequency with multiprocessor digital control (DSP+
µ
P), voltage/current
based on signal processing methods with feed forward
Battery charger stage
Rated voltage
±
240Vdc
Maximum recharging current
(5)
6A
Battery charger algorithm
Two levels with temperature compensation
Technology
Analogue switching current mode under the control of the
µ
P
(PWM regulation of charging voltage and current)
Tolerance of input voltage for recharging at
maximum current
345-480Vac