Brushless excitation system with a holding current resistor

Details Brushless excitation system with a holding current resistor Brushless excitation system with a holding current resistor

1981-05-12

1983-12-20

Smith, Jr., David

Electricity: motive power systems

Synchronous motor systems

Field winding circuits

H02P 540

Patent

active

044220286

ABSTRACT:
A brushless excitation system for a synchronous motor with a holding current resistor connected across the motor field winding to insure turning on of a semiconductor excitation control switch due to a gating pulse of limited duration.

REFERENCES:
patent: 3463987 (1969-08-01), Schlicher
patent: 3509439 (1970-04-01), Schicht
patent: 3599236 (1971-08-01), Hutchins
patent: 3667014 (1972-05-01), Merhof et al.
patent: 3798522 (1974-03-01), Pisecker
patent: 4315202 (1982-02-01), Dawson et al.

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