Processor module for power factor controller

Details Processor module for power factor controller Processor module for power factor controller

1983-08-23

1984-04-24

Rubinson, G. Z.

Electricity: motive power systems

Induction motor systems

Power-factor control

318802, 318805, 323204, 363 74, 363149, H02P 540

Patent

active

044450788

ABSTRACT:
A motor control circuit utilizes sample and hold circuitry whose operation is initiated by an analog switch to control the firing angle of silicon control rectifiers, thereby to minimize wasting of power supplied to the motor being controlled.

REFERENCES:
patent: 4052648 (1977-10-01), Nola
patent: 4242625 (1980-12-01), Hedges
patent: 4249120 (1981-02-01), Earle
patent: 4266177 (1981-05-01), Nola
patent: 4333046 (1982-06-01), Lee
"Circuit Saves Power in AC Induction Motors"-F. J. Nola, EDN, 9/5/79, pp. 185-190.
"Tc Soft Start Control Manual", Reuland Electric Company, 8/77.

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