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  • Users: lukedric
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  1. lukedric

    Transformer grounding

    I was asked to look into a grounding issue inside a substation because of circulating ground currents. The incoming service is 13.8kV 3 phase, 3 wire. There are 4 step down delta-wye transformers with neutrals grounded to station ground. The problem is with a single phase 13.8kV-208V step down...

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