电动机常见故障及保护办法  

Usual Faults and Protective Methods of Electromotors

作　　者：董世文[1] 陈颖[2] 

机构地区：[1]鸡西建华皮带机厂,黑龙江鸡西158000 [2]鸡西煤矿专用设备厂,黑龙江鸡西158100

出　　处：《煤炭技术》2006年第6期59-60,共2页Coal Technology

摘　　要：对电动机常见故障作了详细的分析,介绍了三相交流电动机运行经常出现的故障类型,着重分析电动机各种保护的错误原因,针对电动机主回路没有设置隔离电器、短路保护电器没有采用电动机保护型、接触器和过载保护电器选择不正确等情况,提出了切实可行的解决方法。The usual faults of the electromotor are analyzed. The faults and types of the three phase electromotor nmning with it occurred frequently are introduced. The kinds of protective mistaken causes are analyzed. Directed at circumstances of the electromotor main circuit no setup isolation electrical apparatus, short circuit protected electrical devices no make the electromotor protect type and contactor ＆ over loading protected devices no correct and so on. A practicable solution is proposed.

关 键 词：电动机 短路保护电器SCPD 过载保护电器 

分 类 号：TM307[电气工程—电机]