Snubber circuit for H.F. bridge converter

Details Snubber circuit for H.F. bridge converter Snubber circuit for H.F. bridge converter

1985-05-08

1987-01-27

Wong, Peter S.

Electric power conversion systems

Current conversion

Including automatic or integral protection means

363132, H02H 7122

Patent

active

046398490

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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