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Step-down Transformer Protection
    • ŸCurrent differential protection (87T)

    • Transformer restricted earth fault protection (64REF)

    • Phase overcurrent alarm elements (51PAlm)

    • ŸResidual overvoltage protection (59G)

    • ŸStep-down transformer HV side phase overcurrent protection (50/51P)

    • ŸStep-down transformer LV side phase overcurrent protection (50/51P)

    • ŸStep-down transformer LV side ground overcurrent protection (50/51G)

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