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picture1_Understanding Irt


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File: Understanding Irt
Understanding Insulation Resistance Testing Why have an insulation testing program? A regular program of testing insulation resistance is strongly recommended to prevent electrical shocks, assure safety of personnel and to ...

icon picture PDF Filetype PDF | Posted on 02 Mar 2023 | 1 year ago
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...Understanding insulation resistance testing why have an program a regular of is strongly recommended to prevent electrical shocks assure safety personnel and reduce or eliminate down time it helps detect deterioration in order schedule repair work such as vacuum cleaning steam c leaning drying rewinding also helpful when evaluating the quality repairs before equipment put back into operation what causes failure some more common include excessive heat cold moisture dirt corrosive vapors oil vibration aging nicked wiring tests are used there numerous maintenance for assessing three discussed here primarily test motor generator transformer necessary conducting megohmmeter with timed function temperature indicator humidity meter not if above dew point currents total current body sum readings components dependent capacitance charging at start you see first absorption about one minute leakage conduction minutes reading mainly these changing best seen analog bargraphs on digital instruments n...
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