PLC在水电厂排水系统中的应用与分析

排水系统是水电厂比较容易发生事故的部位。若控制系统设计不合理、可靠性差，就会引起水淹厂房的重大事故，严重威胁水电厂的安全和运行。通过对新安江水电厂排水控制系统的配置、原理、功能及情况介绍，提出了一些改进措施。

Analysis of application of PLC in drainage system of hydropower plant

The drainage system is a vulnerable part of a hydropower plant.If the design of control system is not appropriate and reliable,it may cause serious accident of powerhouse inundation,which will endanger the safety and operation of a hydropower plant.The paper describes the configuration,principle and functions of the drainage system of Xin'anjiang hydropower plant,and puts forward some improvement measures.