Gating control for a static switching arrangement with improved

Details Gating control for a static switching arrangement with improved Gating control for a static switching arrangement with improved

1974-09-03

1976-02-03

Goldberg, Gerald

Electricity: power supply or regulation systems

Remote sensing

307252T, 307252UA, 323 22SC, G05F 156

Patent

active

039367266

ABSTRACT:
To control the gating angles and hence the subsequent conduction angles of a complementary pair of alternately fired controllable electric valves, there is provided during intermittent intervals when neither valve is conducting a gating control signal which depends on the sum of a control signal indicative of a desired conduction angle, an on-time indicating signal indicative of the actual conduction angle of the last conducting valve, and an off-time indicating signal that varies with the duration of the non-conducting interval. Each time the gating control signal reaches a predetermined threshold level, the next to conduct valve is fired.

REFERENCES:
patent: 3470450 (1966-07-01), Eriksson et al.
patent: 3665293 (1972-05-01), Kelley et al.
patent: 3693069 (1972-09-01), Kelley et al.

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