400 KW refers to generator power and 400 KVA refers to generator capacity.
If both are 400, the capacity of a 400 kW generator is typically around 500 KVA.
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The output current of a 400KVA generator is related to the output voltage and whether it produces single-phase or three-phase electricity.
1. Single-phase output power, the formula of output current is:
I=S/U
S is the generator capacity, U is the generator capacity. generator output voltage, I is the generator output current.
If U is 220V, S=400KVA, then I=400/220≈1818A
2. Three-phase output power, the formula for output current is:
I=S/(√3U)
At this point, U and I both correspond to a three-phase wire voltage and a line current. If the line voltage is 380 V and S is 400 KVA, then <. /p>
I=400/(√3x380)≈608A