1)sx440 avr for 3 phase AC generator 2)3 phase 4 wire,4 pole 3)Brushless,self-excited,double bearing ... -32kw), Standby power:22-45kva(17.6-36kw) Standard at three phase, 50Hz, class H, IP22, Temp Rise 125/40°C, 4 ... rotor output is fed to the main rotor through a three-phase full-wave bridge rectifier. The rectifier is protected by a ...