NS3000 Series User Manual
8.7 Electrical Characteristics(Bypass Mains Input)
Table 8-7
Items
Unit
NS3010
NS3020
NS3030
Rated AC Voltage
1
Vac
380/400/415 Three-phase four-wire, sharing neutral with the
rectifier input and providing neutral reference for the output
Rated current
A
15@380V
14.5@400V
14@415V
30@380V
29@400V
28@415V
45@380V
43.5@400V
41.5@415V
Overload (FW)
％
125
％
load, long time
130% load, 1 hour
150
％
load, 6min
1000
％
load, 100ms
Protection bypass line
N/A
Thermal-magnetic breaker, the capacity is 125
％
of rated current
output. IEC60947-2 curve C
Current rating of neutral
cable
A 1.7×In
Frequency
2
Hz 50/60
Switch time (between
bypass and inverter)
ms Synchronized switch:
≤
1ms
Bypass voltage
tolerance
％
Vac
Upper limit:
＋
10,
＋
15 or
＋
20, default: +20%
Lower limit:
－
10,
－
20,
－
30 or
－
40, default:
－
20%
(acceptable stable bypass voltage delay: 10s)
Bypass frequency
tolerance
％
±2.5, ±5, ±10 or ±20, default: ±10%
Synchronization-Window
Hz Rated frequency±2Hz (selectable from ±0.5Hz-±5Hz)
Note:
1.
Factory setting is 400V. Commissioning engineers can set to 380V or 415V, 415V ( Same as
Inverter Setting).
2.
Factory setting is 50Hz. Commissioning engineers can set to 60Hz.
8.8 Efficiency
Table 8-8
Items
Unit
10-30KVA
Efficiency
Normal mode(dual conversion)
％
95%
ECO mode
％
99%
Battery discharging efficiency (DC/AC) (battery at nominal voltage 480Vdc and full-rated linear load)
battery mode
％
95%
