Arc fault protected device

Details Arc fault protected device Arc fault protected device

H - Electricity

01

H

H01H 83/00 (2006.01) H01H 83/02 (2006.01) H02H 1/00 (2006.01) H02H 3/16 (2006.01) H02H 3/44 (2006.01)

Patent

CA 2329114

An arcing fault protection assembly in an electrical device, and corresponding methods determine whether arcing is present in the device. The assembly comprises a sensor, a broadband noise circuit, and a controller. The sensor detects a current and develops a corresponding sensor signal. The broadband noise circuit determines the presence of broadband noise in the sensor signal and produces a corresponding output signal. The control]er processes the sensor signal and the output signal in a predetermined fashion to determine whether an arcing fault is present. The sensor, broadband noise circuit, and controller are mounted to the device.

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