Fault tolerant power supply circuit
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United States of America Patent
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-
May 13, 2003
Grant Date -
Jan 30, 2003
app pub date -
Aug 12, 2002
filing date -
Aug 13, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A fault current tolerant power supply circuit having a dc power source and switching devices for inverting dc current from the source into ac load current includes a protective circuit for protecting the switching devices from overvoltage conditions when an inductive load is short-circuited. The protective circuit uses a capacitive component to absorb charge during a short circuit to protect non-conducting switching devices from an overvoltage condition.
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