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Main Transformer Protection
    • ŸTransformer restricted earth fault protection (64REF)

    • ŸPhase overcurrent protection of HV side (50/51P)

    • ŸPhase-to-phase impedance protection of HV side (21)

    • ŸGround overcurrent protection of HV side (50/51G)

    • ŸGap zero-sequence overvoltage/overcurrent protection of HV side.

    • ŸOverexcitation protection (24)

    • Pole discrepancy protection of HV side (62PD)

    • Breaker flashover protection (50F)

    • Zero-sequence voltage alarm of LV side (59G) 

    • Overload alarm

    • Initiating cooling

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