Growatt WIT 50-100K-US - Page 88

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Max. output current
120.3A/66.2A
151.6A/83.4A
180.5A/99.3A
240.7A/132.4A
Power
factor(@nominal
power)
>0.99
Adjustable power
factor
（1 leading～1 lagging）
THDi
<3%
<3%
<3%
<3%
AC grid connection
type
3P+PE/3P+N+PE
Stand alone (AC
power)
Rated AC output
power
50000W
63000W
75000W
100000W
Max. AC apparent
power
60000VA
75600VA
90000VA
120000VA
Rated output voltage
277V/480V
Nominal AC
frequency
50/60 Hz
Max. output current
72.2A
91A
108.3A
144.4A
Voltage accuracy
1%
Frequency accuracy
0.1Hz
THDv
3%
Unbalanced load
100% three-phase unbalanced
Overload capacity
≤110%，continuous;
110%～120%：10min
>120%，200ms
Switch time from
on-grid to off-grid
mode
＜200ms
Switch time from
off-grid to on-grid
mode
0ms
Efficiency
Max. efficiency
98.00%
98.00%
98.00%
98.00%
Max. battery
charge/discharge
efficiency
98.20%
98.20%
98.20%
98.20%
MPPT efficiency
99.90%
99.90%
99.90%
99.90%
Protection devices
Battery reverse
protection
Yes
Yes
Yes
Yes
DC surge protection
Yes（Class II）
Yes（Class II）
Yes（Class II）
Yes（Class II）
Insulation resistance
Yes
Yes
Yes
Yes