Chopper power supply including a printed circuit transformer

Details Chopper power supply including a printed circuit transformer Chopper power supply including a printed circuit transformer

1989-05-17

1990-06-26

Beha, Jr., William H.

Electric power conversion systems

Current conversion

Using semiconductor-type converter

336183, 363 24, H02M 7538

Patent

active

049377299

ABSTRACT:
A chopper power supply includes a transformer having first and second primary winding segments as well as first and second secondary winding segments respectively associated with the first and second primary winding segments. First and second switching transistors respond to a control source so that the first transistor connects the first primary winding segment to first and second opposite polarity terminals of a DC power supply at a time mutually exclusive from the time the second primary winding segment is connected to the DC terminals via the second transistor and vice versa. Each of the secondary winding segments includes first and second portions disposed on opposite sides of the primary winding segment associated with the secondary winding segment. The portions of the first secondary winding segment are connected in series with each other and coupled to the first primary winding segment so that voltages induced in the portions of the first secondary winding segment add together. The portions of the second secondary winding segment are connected in series with each other and coupled to the second primary winding segment so that the voltages induced in the portions of the secondary segment add together.

REFERENCES:
patent: 3833872 (1974-09-01), Marcus et al.
patent: 4311977 (1982-01-01), Owen
patent: 4518941 (1985-05-01), Harada
patent: 4622627 (1986-11-01), Rodriguez et al.
patent: 4730241 (1988-03-01), Takaya
patent: 4803609 (1989-02-01), Gillett et al.
Abstract of Japanese Patent Publication, vol. 10, No. 108, (E-398) (2165), Apr. 23, 1986.

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