Switching power source device having energy recovery

Details Switching power source device having energy recovery Switching power source device having energy recovery

1989-10-24

1991-05-28

Wong, Peter S.

Electricity: power supply or regulation systems

Output level responsive

Using a three or more terminal semiconductive device as the...

323290, 363 16, 363132, 363134, G05F 156, H02M 748

Patent

active

050197703

ABSTRACT:
A switching power source comprising a pair of output terminals, a first switch element, a reactor and a filter which are connected to each other in series between one of the terminals of an input DC power source and one of the output terminals; a second switch element connected between a connecting node for the reactor and the filter and the other terminal of the input DC power source; and means for causing energy stored in the reactor to be fed back for regeneration to the input DC power source when the switch elements are turned off, wheein the switching power source is characterized by that the first and second switch elements are alternatively actuated for ON-OFF actions at a prescribed time ratio.

REFERENCES:
patent: 4268898 (1981-05-01), Brown
patent: 4408267 (1983-10-01), Pruitt
patent: 4709323 (1987-11-01), Lien
patent: 4739463 (1988-04-01), Barna et al.

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