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6SE6430-2AD34-5EA0
6SE6430-2AD34-5EA0调速电机上升后,速度逐渐下降,导致停机,因此有必要观察调速电机电器柜中电流表指针的变化。如果电流急剧增加,主电机的热继电器等过载保护装置会产生保护动作,使主电机切断三相电源,停止工作。此时,要仔细检查主电机电路的接线元件及主电机的交流接触器、调速电机电器柜的所有热继电器等过载保护装置的接线部位是否松动、接触不良和发热。如果这些部分有标题标题,则在主电动机增加后,回路中的导线和元件接触不良会导致电流快速增加,从而导致保护停机。调速电机运行速度低时,由于主电机的工作电流小,不会出现气体希望速度逐渐下降、停止运行的情况,但调速电机上升时,电力负荷大,会暴露出电器零部件的故障。在实际工作中,可以看到调速电机电器柜内的接线端子因电线接触不良而发热,连接处出现氧化物层,电线的绝缘外部变黑。这些标题都会严重影响主传动电机的正常运行。此时,工作人员应立即采取措施清理接线端子和导线之间的接触面,拧紧接线螺钉,清除烧坏的导线氧化物层,更换严重损坏的接线端子等。
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