Method and apparatus for balancing flux in a power transformer c

Details Method and apparatus for balancing flux in a power transformer c Method and apparatus for balancing flux in a power transformer c

1982-04-23

1983-09-13

Shoop, William M.

Electric power conversion systems

Current conversion

Including automatic or integral protection means

363 17, 363 26, 363 80, 363 97, H02H 7122

Patent

active

044046235

ABSTRACT:
Method and apparatus are disclosed for use with switching power transformer circuits for balancing and compensating for core flux caused by unswitched D.C. current flowing in the transformer. A method and apparatus for adjusting the duty cycle of the switching portion of the power transformer circuit serves to balance the flux present in the transformer core during each half cycle of the operation of the circuit.

REFERENCES:
patent: 3859583 (1975-01-01), Reed
patent: 3859586 (1975-01-01), Wadlington
patent: 4002963 (1977-01-01), Hunter
patent: 4150424 (1979-04-01), Nuechterlein
patent: 4291366 (1981-09-01), Nelson
patent: 4307441 (1981-12-01), Bello

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