Electricity: measuring and testing – Fault detecting in electric circuits and of electric components – Of individual circuit component or element
Patent
1990-09-28
1992-03-17
Harvey, Jack B.
Electricity: measuring and testing
Fault detecting in electric circuits and of electric components
Of individual circuit component or element
324551, 324557, G01R 3112
Patent
active
050972146
ABSTRACT:
A method and apparatus for determining the properties of a particular insulation layer wherein an ion source is directly at the insulation layer. An electrode is provided between the insulation layer mounted on a support, and the ion source. A voltage U is generated across the electrode and the support and a particular current ratio is maintained between the electrode, the voltage generator and the support by adjusting the voltage U. The time behavior of this voltage U would determine the properties of the insulation layer.
REFERENCES:
patent: 3639831 (1972-02-01), Cushman
patent: 4740862 (1988-04-01), Halleck
patent: 4891597 (1990-01-01), Asars
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