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Generator Protection

    • ŸCurrent differential protection (87G)

    • ŸIncomplete current differential protection (87IG)

    • Phase segregated transverse differential protection (87STG)

    • ŸNeutral point transverse differential protection (87NTG)

    • ŸVGenerator inter-turn protection (59NIT)

    • ŸStator overload protection (49S)

    • ŸFundamental zero-sequence voltage stator ground fault protection (64S1)

    • ŸZero-sequence overcurrent protection stator ground fault protection (64S)

    • ŸGenerator 3rd harmonic stator ground fault protection (64S2)

    • ŸGenerator stator ground fault protection with 20Hz voltage injection (64SInj)

    • Generator Ping-Pang type rotor ground fault protection (64R)

    • ŸRotor ground fault protection with low-frequency squarewave voltage injection (64RInj)

    • ŸGenerator rotor winding overload protection (49E)

    • ŸGenerator inadvertent energization protection (50/27)

    • ŸGenerator out-of-step protection (78)

    • ŸGenerator startup and shutdown protection (StShut)

    • ŸGenerator shaft overcurrent protection (51GS)

    • ŸNegative-sequence Overload protection (46G)

    • ŸGenerator reverse power protection (32R)

    • ŸGenerator low forward power protection (32F)

    • ŸOverexcitation protection (24)

    • ŸLoss of excitation protection (40G)

    • ŸGenerator phase overcurrent protection (50/51P)

    • ŸPhase overvoltage protection (59P)

    • ŸUndervoltage protection (27P)

    • ŸOverfrequency protection (81O)

    • ŸUnderfrequency protection (81U)

    • ŸImpedance protection (21)

    • Breaker failure protection (50BF)

    • Mechanical protection (MR)

    • Voltage balance protection (60)

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