Single phase generator
The formula for single phase system is KW= (V × I × PF) ÷ 1,000.
We can derive Voltage formula as \[V=\frac{kW \times 1000 }{I \times PE} \]
where v= voltage , I = current , PE = power factor ,kW is kilo watts (1000 watts)
let value of PE be x and value of KW be y