Power supply circuit utilizing transformer winding voltage integ

Details Power supply circuit utilizing transformer winding voltage integ Power supply circuit utilizing transformer winding voltage integ

1984-03-06

1986-09-16

Salce, Patrick R.

Electric power conversion systems

Current conversion

Including d.c.-a.c.-d.c. converter

363 19, H02M 3335

Patent

active

046126104

ABSTRACT:
In a power supply having transformer coupling for regulation of voltage by a pulsing of primary current, a control circuit integrates the output voltage to obtain a measure of flux and primary current. A comparator monitors the integrated voltage to terminate a pulse of primary current prior to saturation of a core of the transformer. This insures linear operation and efficient transfer of energy from the primary to the secondary windings of the transformer. A sensor of secondary current initiates a new pulse of primary current when the secondary current has decayed to a fractional value of the peak secondary current.

REFERENCES:
patent: 3614587 (1971-10-01), Schwarz
patent: 3784893 (1974-01-01), Rando
patent: 4071884 (1978-01-01), Maigret
patent: 4146832 (1979-03-01), McConnell
patent: 4172277 (1979-10-01), Pinson
patent: 4272805 (1981-06-01), Iguchi et al.
patent: 4390942 (1983-06-01), de Keizer
patent: 4422032 (1983-12-01), Kakumoto et al.
patent: 4541040 (1985-09-01), Allfather

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