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  1. Samiyoussif

    Delta motor protection

    Can I protect a delta motor 6.3 KV by differential? Do I need interposing CTs?
  2. Samiyoussif

    restricted earth fault protection, secondery connection

    In the restricted earth fault protection, why should the CTs secondary common/earth be on the transformer side not the bus-bar? Does it affect the stability? Yet in the differential it doesn't affect the stability as long as the connections are identical before and after the transformer

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