Solid state circuit interruption employing a stored charge...

Details Solid state circuit interruption employing a stored charge... Solid state circuit interruption employing a stored charge...

H - Electricity

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348/1

H01H 9/42 (2006.01) H01H 9/54 (2006.01) H03K 17/08 (2006.01) H03K 17/60 (2006.01)

Patent

CA 1253245

SOLID STATE CIRCUIT INTERRUPTION EMPLOYING A STORED CHARGE POWER TRANSISTOR ABSTRACT OF THE DISCLOSURE A solid state circuit interrupter utilizes a power transistor connected across a pair of separable contacts to eliminate contact arcing between the contacts upon circuit interruption. Stored charge is provided to the power transistor prior to contact separation by a sepa- rate power supply and control transistor which are im- mediately turned off after contact separation to turn off the power transistor upon depletion of the stored charge.

507033

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