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Switchgear hvdc leakage test price

Direct-Current Voltage Testing of Electrical Equipment ...machineryequipmentonline.com/...voltage-testing-of...11/5/2015· At some value of step voltage, if the leakage current begins to increase noticeably, an increase in the slope of the curve will be noticed, as shown in Figure 2.9. If the test is continued beyond this test voltage, the leakage current will increase even more rapidly and immediate breakdown may occur in the cable insulation.

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