APPARATUS FOR DETECTING AND RESPONDING TO SERIES ARCS IN AC ELECTRICAL SYSTEMS

Series arcs in an ac circuit are discriminated from other phenomenon by analyzing the timing between pulses in a second derivative of the current signal. A first timer starts timing upon detection of a first pulse in the second derivative of current signal. Time out of the first timer starts a secon...

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Bibliographische Detailangaben

Hauptverfasser:	ENGEL, JOSEPH CHARLES, MACKENZIE, RAYMOND WARREN
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS GENERATION MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS TESTING
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