Electrically excited load full voltage actuation reduced voltage sustaining driving circuit

摘要

The present invention is related to a device for the control of electrical excitation load such as electromagnetic braking device, electromagnetic clutch, electromagnetic switch, electromagnetic relay, electromagnetic valve, electromagnetic iron, electromagnetic lock, and toroidal coil, etc., or driving coils installed on the excited windings of electromotor or generator, for the full voltage actuation and reduction of excited winding voltage and for sustaining the operation of electrical excitation through the reduction of voltage for saving of energy.