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Protection and Control
    • Breaker failure protection (50BF)

    • ŸPole discrepancy protection (62PD)

    • ŸDead zone protection (50DZ)

    • ŸFour stages of phase overcurrent protection (50/51P)

    • ŸFour stages of neutral overcurrent protection (50/51G)

    • ŸFour-stage negative sequence overcurrent protection (50/51Q)

    • ŸThree-stage undervoltage protection and overvoltage protection (27/59)

    • ŸOne-stage negative sequence overvoltage protection (59Q)

    • ŸFour-stage underfrequency protection and overfrequency protection (81)

    • ŸSynchronism check (25)

    • ŸSingle and/or three-pole auto-reclosing (79)

    • ŸVoltage and current drift auto adjustment

    • Frequency tracking

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