Automated arc generator and method to repeatably generate...

Details Automated arc generator and method to repeatably generate... Automated arc generator and method to repeatably generate...

2006-11-01

2008-10-21

Nguyen, Vincent Q. (Department: 2831)

Electricity: measuring and testing

Electromechanical switching device

Circuit breaker

C324S536000, C361S042000

Reexamination Certificate

active

07439744

ABSTRACT:
An apparatus for repeatably generating electrical arcs for testing an electrical switching device, such as an arc fault circuit interrupter, includes a stationary electrode and a movable electrode that is moved along a path of travel by an electromechanical device under the control of a controller that receives data from either a current measuring device or a voltage measuring device to detect the initiation of an arc. The movable electrode is caused to first make physical contact with the stationary electrode, and then is moved away from the stationary electrode until an arc is detected. Additionally, the movable electrode may be moved towards and away from the stationary electrode according to a test profile to control the magnitude of the randomness of the arc.

REFERENCES:
patent: 5334939 (1994-08-01), Yarbrough
patent: 5459630 (1995-10-01), MacKenzie et al.
patent: 5834940 (1998-11-01), Brooks et al.
patent: 6313641 (2001-11-01), Brooks
patent: 6426632 (2002-07-01), Clunn
patent: 2002/0024782 (2002-02-01), Kim et al.
“Arc-Fault Circuit Interrupters (AFCIs)—Type and Performance Considerations”, Underwriters Laboratories Inc., 2001.

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