Permanent split capacitor single phase electric motor system

Details Permanent split capacitor single phase electric motor system Permanent split capacitor single phase electric motor system

1983-03-28

1984-08-14

Smith, Jr., David

Electricity: motive power systems

Induction motor systems

Primary circuit control

318813, H02P 528

Patent

active

044659628

ABSTRACT:
A permanent split capacitor single phase electric motor achieves balanced operation at more than one operating point by adjusting the voltage supplied to the main and auxiliary windings and adjusting the capacitance in the auxiliary winding circuit. An intermediate voltage tap on an autotransformer supplies voltage to the main winding for low speed operation while a capacitive voltage divider is used to adjust the voltage supplied to the auxiliary winding for low speed operation.

REFERENCES:
patent: 1944090 (1934-01-01), Lukens
patent: 2034950 (1936-03-01), Lyden
patent: 3675100 (1972-07-01), McNamara et al.

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