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  1. wilton2015

    Restricted Earthfault tripping

    Thank you all i am going back to site to look at the polarity, will update u
  2. wilton2015

    Restricted Earthfault tripping

    please can someone explain why the REF relay on meant to protect a 60MVA 132/33KV transformer will trip whenever a 33kv line feeding from the transformer trips on Earth fault.

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