Test method and apparatus utilizing reactive charging currents t

Details Test method and apparatus utilizing reactive charging currents t Test method and apparatus utilizing reactive charging currents t

1997-06-05

1999-08-10

Ballato, Josie

Electricity: measuring and testing

Fault detecting in electric circuits and of electric components

Of individual circuit component or element

324536, 324456, 340647, G01R 3102

Patent

active

059364190

ABSTRACT:
Prior to beginning a dielectric withstand (leakage current) or insulative impedance test, but after applying the high voltage that will be used in the test, the temporary charging currents resulting from application of the high voltage are measured and analyzed to determine if the test sample is properly connected to the test apparatus. If no charging currents are measured, or if the insulation resistance is too high, then it is determined that the test sample is not properly connected and the test is terminated.

REFERENCES:
patent: 3867693 (1975-02-01), Saxenmeyer
patent: 4342957 (1982-08-01), Russell
patent: 4876515 (1989-10-01), Ball
patent: 5079506 (1992-01-01), Choi
patent: 5512841 (1996-04-01), Gibson
patent: 5568054 (1996-10-01), Iino

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