P0600FM

描述

总空开老跳闸是因为电机启动时电流过大，原因是用闸刀开启电机。

电机开启就跳闸的原因：

1、保护开关的容量太小。

2、电动机短路。

3、电动机过载，或卡死。首先检查电动机绝缘是否正常，用500V摇表（兆欧表）检查电动机绕组，0.5兆欧及以上为合格；电机没有问题，低于0.5兆欧大于0.2兆欧，绝缘不合格，但还不至于漏电；小于0.2兆欧不为零，电机已经短路或有漏电，需要继续检查找到原因；绝缘为零说明电机已经接地或短路，需要继续检查找到原因。

如果没有摇表，接一根火线进电机线圈，用电笔测量外壳，和火线一样亮说明电机已经接地或短路，需要继续检查找到原因；用电笔测量外壳，虽然没有火线亮，但有明显亮度，说明电机有漏电，绝缘不合格，需要继续检查找到原因；用电笔测量外壳，不亮或只有微弱亮，说明电机绝缘没有问题。

如果电机绝缘合格，可能是电源有缺相、电源电压不平衡（相差太大）、电机或电机线有断线、接触不良等问题，需要一一排查解决。

欧美品牌停产的，常用的“PLC”备品备件

我司产品应用于以下领域：

1,《发电厂DCS监控系统》

2,《智能平钢化炉系统制造》

3,《PLC可编程输送控制系统》

4,《DCS集散控制系统》
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5,《智能型消防供水控制系统》

6,《化工厂药液恒流量计算机控制系统》

7,《电气控制系统》造纸,印染生产线,变电站综合自动化控制系列

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