华电技术 ›› 2011, Vol. 33 ›› Issue (8): 34-36.

• 技术交流 • 上一篇    下一篇

电动机控制回路的分析与改造

李秋萍   

  1. 广东粤电云浮发电厂有限公司,广东云浮527328
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2011-08-25 发布日期:2011-08-25

Analysis on motor control circuit and its reformation

LI Qiuping   

  1. Guangdong Yudean Yunfu Power Plant Company Limited, Yunfu 527328, China
  • Received:1900-01-01 Revised:1900-01-01 Online:2011-08-25 Published:2011-08-25

摘要: 介绍了Pmac801智能型保护控制器,通过电厂几例事故,对低压380V塑壳断路器加接触器带Pmac801智能型保护控制器的电动机控制回路进行了理论分析,指出了存在的问题并提出了解决方法。

关键词: 电动机, 保护装置, 控制回路, 改造

Abstract: The Pmac 801 intelligent protection controller was introduced. According to several accidents occurred in the power plant, the motor control circuit, which includes low voltage 380V molded case circuit breaker plus contactor with Pmac 801 intelligent protection controller, was analyzed theoretically. Some existing problems were pointed out, and the solving methods were put forward.

Key words: motor, protection device, control circuit, reformation