Chapter 9 Product Specification
68
MUST400_User manual_EN_REV02 User Manual
9.6 Electrical Characteristics (Inverter Output)
Table.9- 6: Inverter Output (to Critical Load)
Rated capacity
(kVA)
Unit
40~120
Rated AC voltage
1
Vac
380/400/415(three-phase four-wire and sharing neutral with the
bypass)
Freqency
2
Hz
50/60
overload
%
110% load, 1 hour
125% load, 10min
150% load, 1min
>150% load, 200ms
Fault current
%
300% short current limitation for 200ms
Non linear load
Capability
3
%
100%
Neutral
current
capability
%
170%
Steady state voltage
stability
%
±1(balanced load)
±1.5(100% unbalance load)
Transient
voltage
response
4
%
±5
THD
%
<1.5(linear load) , <5(non linear load
3
)
Synchronization
Window
-
Rated frequency ±2Hz(selectable: ±1~±5Hz)
Max change rate of
synch frequency
Hz/s
1: selectable: 0.1~5
Inverter
voltage
range
%V(ac)
±5
Note:
1. Factory setting is 380V. Commissioning engineers can set to 400V or 415V.
2. Factory setting is 50Hz. Commissioning engineers can set to 60Hz.
3. EN50091-3(1.4.58) crest ratio is 3: 1.
4. IEC62040-3/EN50091-3 including 0%~100%~0% load transient, the recovery time is half circle to
within 5% of stable output voltage.