Electrical arcing protection circuit

Details Electrical arcing protection circuit Electrical arcing protection circuit

2006-06-13

2006-06-13

Lee, Diane (Department: 2858)

Electricity: measuring and testing

Fault detecting in electric circuits and of electric components

For fault location

C128S203170, C128S204170, C219S481000, C219S067000, C392S398000, C392S401000

Reexamination Certificate

active

07061252

ABSTRACT:
A protection circuit, configured to detect and suppress electrical pre-arcing and arcing conditions in a resistive heater wire circuit, comprises a transient voltage suppressor, signal level sensing load coupled to the output of the voltage suppressor, detection and control circuitry, and a high-speed switch or electrical gate. The control circuitry is configured to control the operation of the switch, coupled between said control circuitry and the heater wire, wherein the switch is opened in response to an electrical pre-arcing or arcing condition or a short circuit condition.

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