Apparatus for controlling an input power to an induction motor

Details Apparatus for controlling an input power to an induction motor Apparatus for controlling an input power to an induction motor

1996-05-23

1997-11-04

Ro, Bentsu

Electricity: motive power systems

Induction motor systems

Primary circuit control

318729, 318801, 318809, H02P 7622

Patent

active

056843771

ABSTRACT:
An input power control apparatus for use with an AC induction motor adjusts a firing angle to allow the motor to run at near a rated speed of the motor and then to find a minimum power point at some voltage level in a variation of the applied voltage.

REFERENCES:
patent: 4052648 (1977-10-01), Nola
patent: 4249120 (1981-02-01), Earle
patent: 4451112 (1984-05-01), Hattori et al.
patent: 5153489 (1992-10-01), Unsworth et al.
patent: 5204606 (1993-04-01), Kuwahara et al.
patent: 5241256 (1993-08-01), Hatanaka et al.
patent: 5304911 (1994-04-01), Anderson

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