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7.7 Electrical Characteristics (Bypass Mains Input)
Table 7-7 Bypass mains input
Rated power (kVA)
Unit 30 ~ 210
Rated AC voltage1
Vac 380/400/415 (Three-phase four-wire, sharing neutral with
the rectifier input and providing neutral reference to the
output)
Rated current
A
30U for 90KW
171, 380V / 164, 400V / 157, 415V
42U for 120KW
228, 380V / 218, 400V / 209, 415V
42U for 210KW
397, 380V / 380, 365V / 329, 415V
Overload
% 105%~110% for 60min
110%~120% for 10min
121%~150% for 1min
>150% for 200ms
Upstream protection,
bypass line
N/A Circuit breaker, rated up to 100% of nominal output
current.
Current rating of neutral
cable
A
1.7 × In
Frequency
Hz 50/60 Auto Selectable
Transfer time (between
bypass and inverter)
ms
Synchronous transfer: ≤20ms
Bypass voltage
tolerance
%Va
c
Upper limit: +10, +15 or +20, default: +15
Lower limit: -10, -20, -30 default: -20
(delay time to accept steady bypass voltage: 10s)
Frequency Range
Hz +/- 1Hz, +/- 2Hz, +/- 4Hz (default: 4Hz)
Note:
1. Factory setting is 400V. 380V or 415V is selectable by commissioning engineer.
