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Hitachi Ltd
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Hitachi Ltd
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Application filed by Hitachi LtdfiledCriticalHitachi Ltd
Priority to JP14770576ApriorityCriticalpatent/JPS5372101A/en
Publication of JPS5372101ApublicationCriticalpatent/JPS5372101A/en
Tests Of Circuit Breakers, Generators, And Electric Motors
(AREA)
Abstract
PURPOSE: To improve detection sensibility by installing high voltage source for applying high voltage on the sample, current transofrmer for detecting corona current produced in the sample, and indicator for amplifying the output from said current transformer through filter thus deciding the condition of insulation.
COPYRIGHT: (C)1978,JPO&Japio
JP14770576A1976-12-101976-12-10Dielectric strength tester for electric machinery
PendingJPS5372101A
(en)