Transcription of Insulation resistance testing - Test Equipment Depot
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Insulation resistance testing - Test Equipment Depot
Insulation resistance testingIntroductionInsulation resistance testers can be used to determine the integrity of windings or cables in motors, transformers, switch-gear, and electrical installations. The test method is determined by the type of Equipment being tested and the reason for test-ing. For instance, when testing electrical cabling or switchgear (low-capacitance Equipment ) the time-dependent capacitive leakage and absorption leakage currents become insignificant and decrease to zero almost instantly. A steady conductive leakage current flow is reached almost instantly (a minute or less) providing perfect condi-tions for the spot-reading/short-time resistance test. (For more detailed information on leakage currents and resistance tests see the following sections: What Is Insulation resistance & Leak-age Currents and Predictive Maintenance Tests).
Insulation resistance testing Introduction Insulation resistance testers can be used to determine the integrity of windings or cables in motors, transformers, switch-
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