Field sensing arc detection

Details Field sensing arc detection Field sensing arc detection

1991-03-28

1993-02-09

Voeltz, Emanuel T.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Ground fault protection

361 87, 361 93, 361111, 324522, 324536, H02H 332, G01R 3108

Patent

active

051856859

ABSTRACT:
An arc detection method and apparatus is provided for an electric circuit having an electrified conductor (46) connecting a voltage source (26) to a load (30). The system senses the electromagnetic field established about the conductor by the occurrence of an electrical arc in the electric circuit, and generates a field responsive signal. Arc discrimination circuitry responding to the field responsive signal and generates an arc indicative signal in response to a given characteristic of the field responsive signal. The system includes an E field sensor (66) and a B field sensor (68).

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