摘要
通过对一种QJZ-400型矿用隔爆磁力启动器的结构、主要技术指标和工作原理的介绍,总结了可能发生的故障现象及其排查方法。
QJZ -400 flameproof magnetic starter ior coal mine is widely used. However, pro- tective circuits used for the same type of magnetic starters made by different manufacturer are different. it brough inconvenience to an electrician for maintaining or repairing underground. This article gives an outline of the structure and principle of QJZ -400 flameproof magnetic starters.
出处
《电气防爆》
2012年第4期30-33,共4页
Electric Explosion Protection
关键词
矿井
隔爆
磁力启动器
故障排查
underground coal mine
flameproof
magnetic starter
troubleshooting of malfunction