H - Electricity – 02 – P
Patent
H - Electricity
02
P
318/108
H02P 23/00 (2006.01) H02J 3/18 (2006.01)
Patent
CA 1254612
ABSTRACT An improved induction motor control system. Single-phase and three-phase AC induction motors are controlled in accordance with the equation y = mx + b, where y is the phase angle, m is the slope, x is the firing delay and b is the offset. Subsequently, the firing delay is increased by predetermined amounts, the behavior of the phase angle is evaluated for several cycles, and the motor is controlled based on the results of the evaluation, thereby minimizing energy consumption.
464948
Davis Ray E. Jr.
Johnson Richard H.
Parker Ronald W.
Timothy Earle J.
Westkamper Michael J.
Chesebrough-Pond's Inc.
Macrae & Co.
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