Solid state current limiting circuit interrupter
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United States of America Patent
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-
Oct 13, 1987
Issued Date -
N/A
app pub date -
Jun 16, 1986
filing date -
May 16, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A solid state current limiting circuit interrupter for the arcless interruption of current through a protected circuit includes a pair of mechanically switched contacts electrically connected in series between the power source and the protected load. A solid state switch becomes electrically connected in parallel across the contacts when the contacts are opened to transfer the current to the solid state switch in a first state of voltage drop lower than arc voltage, and then in a second state of voltage drop higher than power source voltage in which stored energy is dissipated and current is forced to drop to zero to interrupt the circuit.
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