Energy economizer for induction motors

Details Energy economizer for induction motors Energy economizer for induction motors

H - Electricity

02

P

318/96

H02P 23/00 (2006.01) H02P 27/02 (2006.01)

Patent

CA 1092645

ENERGY ECONOMIZER FOR INDUCTION MOTORS Abstract of The Disclosure A standard, unmodified AC induction motor has its stator winding energized from a sine wave power source through a signal-responsive wave modifier operative to control the portion of each cycle of the sine wave which is coupled from said source to the stator winding. A comparatively small AC generator coupled to the rotor of the motor, produces a control signal, varying with variations in the load on the motor, for controlling the wave modifier to increase the field density of the stator winding with increases in load on the motor, and to decrease the field density of the stator winding with decreases in said load.

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