Reduced rating output rectifier snubber for plasma cutting power supply
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United States of America Patent
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Issued Date -
Feb 8, 2007
app pub date -
Jul 21, 2006
filing date -
Jul 23, 2005
priority date (Note) -
Abandoned
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Abstract
A snubber circuit for absorbing reverse recovery current in a power supply is featured comprising a dissipative snubber circuit and a non-dissipative snubber circuit coupled in parallel to a source of reverse recovery current and a load. The dissipative snubber circuit is capable of dissipating a first amount of reverse recovery current from the reverse recovery current source and the non-dissipative snubber circuit recovering a second amount of reverse recovery current from the reverse recovery current source, resulting in the reverse recovery current being absorbed with reduced power dissipation.
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