1756-ENBT A-B 应当通过输出操作数断路器开关失灵1跳闸动作给出三相跳闸命合。时间标度倍数定值允许为曲线形状定值选择一个基于曲线形状

断路器失灵元件给出单相跳闸命令时,应当通过输出操作数断路器开关失灵1跳闸动作给出三相跳闸命合。时间标度倍数定值允许为曲线形状定值选择一个基于曲线形状(其中时标倍数=1)的倍数。与机电时钟等值时标不同，动作时间直接与时间倍数设定的值成比例。例如，所有的时标乘数为10的倍数是10倍的基值。如果将乘数设为0将会导致对高于启动值的所有电流水平做出瞬时响应。

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