Full wave motor control circuit

Details Full wave motor control circuit Full wave motor control circuit

1981-06-12

1983-06-28

Truhe, J. V.

Electricity: motive power systems

Braking

Automatic and/or with time-delay means

318345C, H02P 516

Patent

active

043908241

ABSTRACT:
A full wave motor control circuit is provided which utilizes a phase fired SCR to control the flow of current through the motor windings. Just before the end of each cycle, the charging capacitor which is connected across the gate and cathode of the SCR is discharged and the effective holding current level of the SCR is raised to insure SCR turn off.

REFERENCES:
patent: 3177418 (1965-04-01), Meng
patent: 3191112 (1965-06-01), Cain
patent: 3195029 (1965-07-01), Gilbreath
patent: 3237073 (1966-02-01), Bartley et al.
patent: 3316472 (1967-04-01), Taylor
patent: 3466522 (1969-09-01), Cushing, Jr.
patent: 3601673 (1971-08-01), Mason
patent: 3697844 (1972-10-01), Dinger
patent: 4170749 (1979-10-01), Soeda
patent: 4199712 (1980-04-01), Odermann et al.
patent: 4246521 (1981-01-01), Soeda et al.
patent: 4274037 (1981-06-01), Soeda

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