Saturable transformer regulator for flyback power supply

Details Saturable transformer regulator for flyback power supply Saturable transformer regulator for flyback power supply

1989-09-21

1990-10-30

Wong, Peter S.

Electric power conversion systems

Current conversion

With condition responsive means to control the output...

363 21, 363 53, 363 91, H02P 1300, H02M 3335

Patent

active

049673351

ABSTRACT:
A flyback type power supply has a nominal 12 volt secondary winding that is connected to a rectifier through the primary winding of a saturable transformer. The secondary winding of the saturable transformer is connected in series with the DC load current supplied by the rectifier. A filter capacitor completes the circuit. Under no load conditions, the impedance presented by the primary of the saturable transformer is high and the output voltage developed across the filter capacitor is maintained at about 12.25 volts. Under full load conditions, the impedance presented is negligible.

REFERENCES:
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patent: 3048767 (1962-08-01), Smeltzer
patent: 3076131 (1963-01-01), Weil
patent: 3134067 (1964-05-01), Ervin
patent: 4419723 (1983-12-01), Wilson, Jr.
patent: 4447866 (1984-05-01), Reeves
patent: 4451876 (1984-05-01), Ogata
patent: 4658341 (1987-04-01), Felps
patent: 4811187 (1989-03-01), Nakajima et al.

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