Control equipment for multi-speed electric motors

Details Control equipment for multi-speed electric motors Control equipment for multi-speed electric motors

1988-11-02

1992-04-07

Smith, Jr., David

Electricity: motive power systems

Induction motor systems

Primary circuit control

318775, H62P 748

Patent

active

051031531

ABSTRACT:
Control equipment for motors having two windings and wherein both windings are temporarily connected in parallel to start the motor.

REFERENCES:
patent: 1024635 (1912-04-01), Kunkel
patent: 2203927 (1940-06-01), Rutherford et al.
patent: 3593081 (1971-07-01), Forst
patent: 3600656 (1971-08-01), Gramkow
patent: 4118753 (1978-10-01), Vind
patent: 4500825 (1985-02-01), Schemann
JP-Kokai 59-35593 Converting Method for Number of Poles in Induction Motor.
JP-Kokai 56-12875 Single-Phase Induction Motor.

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