Hall-effect arc protector

Details Hall-effect arc protector Hall-effect arc protector

1993-07-27

1997-05-13

Gaffin, Jeffrey A.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Load shunting by fault responsive means

361 71, 361 88, H02H 900

Patent

active

056298242

ABSTRACT:
The Hall-Effect Arc Protector is used to protect sensitive electronics from high energy arcs. The apparatus detects arcs by monitoring an electrical conductor, of the instrument, for changes in the electromagnetic field surrounding the conductor which would be indicative of a possible arcing condition. When the magnitude of the monitored electromagnetic field exceeds a predetermined threshold, the potential for an instrument damaging are exists and the control system logic activates a high speed circuit breaker. The activation of the breaker shunts the energy imparted to the input signal through a dummy load to the ground. After the arc condition is terminated, the normal signal path is restored.

REFERENCES:
patent: 3558977 (1971-01-01), Beaudoin
patent: 3654519 (1972-04-01), South
patent: 3736469 (1973-05-01), Baugher et al.
patent: 4214289 (1980-07-01), Otsuka et al.
patent: 5185685 (1993-02-01), Tennies et al.

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