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Protection and Control of the Central Unit
    • Busbar current differential protection (87B)

    • Bus coupler/section protection

    Breaker failure protection (50BF)

    Dead zone protection (50DZ)

    BC/BS dead zone differential protection (87DZ)

    Switch-onto-fault protection (50SOTF)

    • Feeder protection

    Breaker failure protection (50BF)

    Dead zone protection (50DZ)

    • External Binary Input Trip Busbar

    • Voltage and current drift auto adjustment

    • Frequency tracking


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