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.
Type:
Grant
Filed:
May 23, 1996
Date of Patent:
November 4, 1997
Assignee:
Dongjin Trading Co., Ltd.
Inventors:
Tae-Seung Kim, Soon-Chan Hong, Seung-Gi Jeong, Seung-Chul Lee