... in star with neutral-point,three phase four line.It rated line voltage is 400V ,phase voltage is 230V,frequency is 50Hz,power factor ... -up of generators is easy,waveform disortion is small,regulating voltage highly changge when the load of the generator from 0 ... ~0.8(lag).It change at anytime,voltage regulation rate with AVR is less ±1%,voltage regulation rate without AVRis less 5 ...