why single phase to grd test in HV cable?why not 2 phase at
a time?



why single phase to grd test in HV cable?why not 2 phase at a time?..

Answer / Ajay Kumar Maurya

Single-phase-to-ground (SPTG) testing is performed on high voltage cables for safety and accuracy reasons. Testing with two phases simultaneously can result in complex current and voltage interactions, making it difficult to interpret the test results. SPTG testing allows for a simpler and more reliable determination of the cable's insulation integrity.

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