Apparatus for testing dielectric strength of materials

Details Apparatus for testing dielectric strength of materials Apparatus for testing dielectric strength of materials

1984-01-31

1987-05-05

Eisenzopf, Reinhard J.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Frequency of cyclic current or voltage

361 58, G01R 3112

Patent

active

046635858

ABSTRACT:
Apparatus for testing the dielectric strength of insulating and/or cooling media, particularly insulating oils for electrical apparatus and equipment such as transformers, converters, switches or the like wherein a vessel is provided within which the material to be tested may be contained with electrodes providing a spark gap arranged therein being connected to the high voltage side of a testing generator having a transformer and a voltage control device, the internal resistance of the testing generator being made voltage-dependent and increasing with increasing voltage.

REFERENCES:
patent: 2166932 (1939-07-01), Keinath
patent: 2923879 (1960-02-01), Povey
patent: 3211998 (1965-10-01), Kidwell
patent: 3286130 (1966-11-01), Clinton
patent: 3529210 (1970-09-01), Ito et al.
patent: 4117397 (1978-09-01), Fukao et al.
patent: 4140965 (1979-02-01), Neal

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