Snubber circuit for H.F. bridge converter
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United States of America Patent
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-
Jan 27, 1987
Grant Date -
N/A
app pub date -
May 8, 1985
filing date -
May 8, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A high-frequency converter of the bridge circuit type includes a snubber circuit connected across the output terminals of the bridge for connecting pairs of charged switching capacitors with an inductor upon the switching of the transistors of the bridge to their OFF conditions. The snubber circuit includes parallel-connected oppositely-poled additional switching devices with reverse blocking characteristic connected in series with the inductor, whereby the energy of the discharging switching capacitors is temporarily stored in the inductor in a substantially loss-free manner, and is pumped in the same direction to assist in the charging of the other capacitors.
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