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Recent content by WaltCSF

  1. WaltCSF

    TRANSFORMER CORE CLAMP GROUNDED.

    Thanks for your Fast response thermionic1, we have core ground bushing and core clamp bushing, we have the low insulation resistance at the core clamp insulation, multiple core clamp ground can cause severe damage as well as multiple core grounds? I'm trying to understand specifically the core...
  2. WaltCSF

    TRANSFORMER CORE CLAMP GROUNDED.

    In advance thanks for the help, we found a grounded core clamp by measuring insulation resistance, what now? do the transformer should stop operation?, can someone explain what is the core clamp single ground for? what this result means? (500 V, <10kOHM) thanks! XFMR: 100 MVA, YnD1, 138/13.8...
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