Energy economizing AC power control system

Details Energy economizing AC power control system Energy economizing AC power control system

1978-05-17

1979-11-27

Rubinson, Gene Z.

Electricity: motive power systems

Induction motor systems

Primary circuit control

318812, H02P 736

Patent

active

041763076

ABSTRACT:
An 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. The induction motor includes a squirrel cage rotor which carries an additional windings operative during rotation of the rotor to generate a polyphase AC voltage having an amplitude which is proportional to the load on the motor, and the AC voltage so generated is rectified to produce a DC signal which is coupled to a DC amplifier which in turn produces a control voltage for controlling the wave modifier.

REFERENCES:
patent: 3470436 (1969-09-01), Steele
patent: 4052651 (1977-10-01), Kamaike
patent: 4078191 (1978-03-01), Morters et al.

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