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8. ANNEXES
8.1. GENERAL TECHNICAL SPECIFICATION
TABLE 5: TECHNICAL SPECIFICATION
Capacity (kVA/kW) 10/8 15/12 20/16 30/24 40/32 60/48 80/64
INPUT
Acceptable voltage range 3 x 400 V (3 Ph + N), +15 % to -20 %
Frequency (Hz) 50 / 60 ±5 %
Nominal input current 13 A 20 A 26 A 39 A 52 A 78 A 103 A
Total harmonic distortion
(THDi)
<1.5 % @ 100 % load
<2.5 % @ 50 % load
<6.0 % @ 10 % load
<1.0 % @ 100 % load
<2.0 % @ 50 % load
<5.0 % @ 10 % load
Power factor 1.0 (from ca.10 % charge)
INVERTER
Nominal voltage 3 x 400 V (3 Ph + N)
Precision (%) stationary: ±1, transitory: ±2 (load variations 100-0-100)
Frequency (Hz) 50 / 60 ±0.05 %, without mains
Synchronisation speed ±1 Hz/s
Waveform sine wave
Total harmonic distortion
<0.5 % (linear load),
<1.5 % (non-linear load)
Phase displacement ±1 % (balanced load),
±2 % (50 % unbalanced load)
Dynamic recovery time 10 ms (98 % of static value)
Admissible overload 125 % for 10 min., 150 % for 60 s
Admissible crest factor 3.4 : 1 3.2 : 1
Admissible power factor 0.1 inductive to 0.1 capacitive
Imbalance output voltage
@ 100 % unbalanced load
<1 %
Current limitation 3 x I
nom
(short circuit)
Inverter efficiency (%) 94.5 95.0 95.3 95.9 96.2 96.4 96.6