... type AC Voltage Regulator (stabilizer,AVR) Servo motor type AC Voltage Regulator (stabilizer,AVR)SVC-500VA, SVC-1000VA, SVC ... self-coupling voltage regulator, servo motor, automatic control circuit and other parts. When the voltage of the ... or the load varies, the automatic sampling control circuit will make a signal to drive servomotor to ... Ω Servo motor type AC Voltage Regulator (stabilizer,AVR)