Regulated voltage converter which has substantially fewer parts

Details Regulated voltage converter which has substantially fewer parts Regulated voltage converter which has substantially fewer parts

1986-09-12

1988-04-05

Salce, Patrick R.

Electric power conversion systems

Current conversion

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

363 91, H02M 3335

Patent

active

047362839

ABSTRACT:
An improved switching power source in which the output of the DC input power source is switched off and on under control of switching elements of an oscillating drive circuit which is supplied to the primary side of a power source transformer and from which a constant voltage output is supplied from the secondary of the transformer. A saturable reactor transformer supplies an input to the control terminals of the switching elements of the oscillating drive circuit and the inductance of the saturable reactor transformer is controlled with the output voltage from the secondary of the power source transformer so as to control the oscillating frequency of the oscillating drive circuit and, thus, stabilize the output voltage at the secondary of the power source transformer so as to obtain an increased conversion efficiency, reduce the size and weight of the transformer, reduce the leakage flux, improve the control range and reduce the cost of production.

REFERENCES:
patent: 3582754 (1971-06-01), Hoffmann et al.
patent: 3697851 (1972-10-01), Mast
patent: 4065713 (1977-12-01), Pollmeier
patent: 4084219 (1978-04-01), Furukawa et al.
patent: 4301498 (1981-11-01), Farrer
patent: 4595973 (1986-06-01), Masuda et al.

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