描述
1.定期检查通过的负荷电流是否在交流接触器的额定值以内(可通过电流表或用钳型表测量)。
2.检查接触器的分、合信号指示是否与电路状态相符。
3.接触器动作时以及运行时,注意检查灭弧室内有无因接触不良发生的放电声。
4.定期检查接触器的电磁线圈有无过热现象。检修时注意电磁铁的短路环是否脱出和损伤。
5.定期检查接触器与母线或出线的连接点有无过热现象。
6.检查接触器的辅助触点有无绕蚀现象。
7.注意接触器灭弧罩有否松动和裂损现象。
8.检查接触器的铁心和衔铁吸合是否良好,运行时有无过大的噪声,释放后是否回到正常位置。
9.注意接触器的绝缘部件有无裂损现象。
10.巡视时注意接触器周围的环境有无变化,有无不利于它正常运行的情况,如:导电尘埃、过大的震动及通风不良等。
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