NON-DESTRUCTIVE SHORT CIRCUIT TESTING FOR ELECTRICALLY OPERATED CIRCUIT BREAKERS

NON-DESTRUCTIVE SHORT CIRCUIT TESTING FOR ELECTRICALLY OPERATED CIRCUIT BREAKERS

A testing assembly includes a power supply and at least one circuit phase corresponding to a circuit phase of a motor branch circuit assembly. The circuit phase includes a current detector, a transistor, and an isolating unit. The testing assembly also includes a switch selecting between a RUN mode...

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1. Verfasser: Kinsella, James, J
Format: Patent
Sprache:eng ; fre ; ger
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MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
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creator Kinsella, James, J
description A testing assembly includes a power supply and at least one circuit phase corresponding to a circuit phase of a motor branch circuit assembly. The circuit phase includes a current detector, a transistor, and an isolating unit. The testing assembly also includes a switch selecting between a RUN mode and a TEST mode. The testing assembly is connected to the motor branch circuit assembly. Prior to placing the motor branch circuit assembly into operation, the testing assembly can provide low voltage testing on the circuit phases of the motor branch circuit assembly. The testing assembly can check for ground faults and line-to-line faults in the motor branch circuit assembly when placed into the Test mode. In this manner, faults destructive to the motor branch circuit assembly can be avoided and corrected.
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subjects MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
title NON-DESTRUCTIVE SHORT CIRCUIT TESTING FOR ELECTRICALLY OPERATED CIRCUIT BREAKERS
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