Electric power conversion systems – Current conversion – Including automatic or integral protection means
Patent
1986-12-29
1988-03-01
Beha, Jr., William H.
Electric power conversion systems
Current conversion
Including automatic or integral protection means
363 17, 363 79, 363 98, H02M 3315
Patent
active
047290854
ABSTRACT:
In a resonant regulator power supply, a resonant circuit is coupled to a source of alternating input voltage that is controllable in operating frequency. A power transformer primary winding is coupled across the capacitive element of the resonant circuit for generating an output voltage across a secondary winding. A control circuit varies the operating frequency in a negative feedback loop to regulate the output voltage on the positive slope of the frequency characteristic curve. A frequency limiting circuit prevents the operating frequency from passing through the resonance frequency of the resonant circuit.
REFERENCES:
patent: 3894280 (1975-07-01), Bishop et al.
patent: 4301398 (1981-11-01), Johnson
patent: 4504895 (1985-03-01), Steigerwald
patent: 4631652 (1986-12-01), Wendt
patent: 4670832 (1987-06-01), Park
patent: 4672528 (1987-06-01), Park et al.
Dobberstein, "Very High Frequency FM-Regulated Power Supply with Enhanced Output Power Capability", IBM Tech. Discl. Bul., vol. 27, No. 9, pp. 5419-5421, Feb. 1985.
Beha Jr. William H.
Laks Joseph J.
Rasmussen Paul J.
RCA Corporation
Whitacre Eugene M.
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