Switching power source device having energy recovery
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United States of America Patent
Stats
-
May 28, 1991
Grant Date -
N/A
app pub date -
Oct 24, 1989
filing date -
Oct 26, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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