Electronic power supply

Details Electronic power supply Electronic power supply

1976-11-02

1978-02-14

Shoop, William M.

Electric power conversion systems

Current conversion

With means to introduce or eliminate frequency components

363 88, 363136, 363 81, H02M 114

Patent

active

040743454

ABSTRACT:
An electronic power supply utilizes a full wave bridge rectifier circuit whose alternating current voltage source is derived from a multi-primary and multi-secondary winding transformer whose windings are selectively disposed in series or parallel circuits, thereby enabling the apparatus to be effectively employed on a wide variety of A.C. voltage sources. Two adjacent legs of the bridge rectifier employ S.C.R.'s gated simultaneously symetrically by pulses obtained from a unijunction transistor driven by the output of an operational amplifier whose input terminals are coupled to voltage and current sensing networks located at the output terminals of a filter coupled to the D.C. side of the full wave bridge.

REFERENCES:
patent: 529152 (1894-11-01), Zickermann
patent: 3218540 (1965-11-01), Jackson
patent: 3320512 (1967-05-01), Kruger
patent: 3437905 (1969-04-01), Healey et al.
patent: 3480852 (1969-11-01), Hung

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