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System Data Units Model kVA Rating
30 40 60
Efficiency at 50 load % 92.0 92.6 93.1
Efficiency at 100% load % 91.5 92.0 92.5
Losses at rated load kW 2.3 2.8 3.9
Losses with battery on boost charge kW 2.8 3.4 4.5
Losses with no load kW 0.8 1.1 1.3
Output Ratings Units Model kVA Rating
30 40 60
Voltage V a.c. 380/ 400/ 415 V (preset on Commissioning), 3 Ph N
Frequency Hz 50 or 60 (presettable)
Power at 0.8 p.f. kVA 30 40 60
Power at 1.0 p.f. kW 24 32 48
Normal current at 0.8 p.f. A 43 57 57
Overload ability at 0.8 p.f. 3 ph.
1 ph.
- 110% for 60 minutes
125% for 10 minutes
150% for 1 minute
200% for 30 seconds
Current liming short circuit (inverter)
150% rated current (3 phase) for
220% rated current (1 phase) for
-
5 seconds
5 seconds
Maximum permissible non-linear load % 100 with 3:1 crest factor
Voltage stability - steady state
- transient state
% ± 1
± 5
Reset time to within ± 1% % 20
Frequency stability - synchronised
ms The output will synchronise with the input supply within
± 0.5 Hz of nominal frequency (adjustable to ± 2 Hz)
Frequency stability - not synchronised
- ± 0.1% when the input supply frequency is outside the
synchronising range
Ph. voltage asymmetry - balanced
load
- ± 1%
Ph. voltage dissymmetry - 100%
unbalanced load
- ± 2%
Voltage ph. shift - with balanced load angle º 120 ± 1
Voltage ph. shift - with unbalanced
load
angle º 120 ± 1
Output voltage distortion - linear load - 1% typical 2% maximum
Output voltage distortion - non linear
load
(3:1 crest factor)
- < 5% max.
Maximum frequency slew rate Hz/ sec 0.1 to 1.0
Synchronised transfer to Bypass ms 0 approx.
Not synchronised transfer to Bypass ms Not allowed
Overload on bypass (with fuses) - 10 x rated current for 100 ms
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