Methods and apparatus for analyzing high voltage circuit...

Details Methods and apparatus for analyzing high voltage circuit... Methods and apparatus for analyzing high voltage circuit...

2005-11-08

2005-11-08

Nguyen, Vincent Q. (Department: 2858)

Electricity: measuring and testing

Electromechanical switching device

Circuit breaker

C324S423000, C361S113000

Reexamination Certificate

active

06963203

ABSTRACT:
A method for analyzing an electrical contact pair is provided. At least one of the contacts is coupled to a line-side of the contact pair, and at least one of the contacts is coupled to a load-side of the contact pair. The method includes electrically coupling the load-side contact and the line-side contact to electrical ground, applying a test voltage across the contact pair while the line-side contact and load-side contact remain electrically coupled to electrical ground, triggering a contact pair operation timer at a start of a test, detecting at least one of a first closure of the contact pair and a first opening of the contact pair using the test voltage, and determining the timing of the contact pair based upon the operation of the contact pair operation timer.

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patent: 6472877 (2002-10-01), Sands
patent: 6798209 (2004-09-01), Lavoie et al.

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