泵抽空保护在水电厂排水系统的探索及实现

为保证岩滩水电站厂内排水系统的正常工作,保证各排水泵的正常运行,笔者从几年来的工作经验,阐述了如何从泵的二次控制系统方面来实现泵的抽空保护,采取由软启动器、可编程控制器组成的全方位保护,实现了排水系统完善保护,提高了电厂的安全水平和设备的自动化水平.

Exploration and Implementation of Pump Evacuation Protection in Drainage System of Hydropower Plant

To ensure normal operation of in-plant drainage system of Yantan hydropower plant,from several years work experiences of the author,the paper explains how to implement the pump evacuation protection from the secondary control system.An all-direction protection composing of soft starter and programmable controller is adopted,by which the drainage system is perfectly protected and the safety level and equipment automation of the plant are greatly improved.