一种小汽轮机超速保护装置的可靠性研究与应用

Study and Application of Overspeed Protection Device's Realibility in a Small Turbine

本文详述了天津国华盘山发电厂小汽轮机保护设计内容、MEH采用的转速测量原理、供电回路原理,介绍了一种典型故障案例并进行案例分析,通过分析结论找出了提高小汽轮机超速保护设计可靠性的方法。

This paper firstly describes design contents of small turbine protection,speed measurement principle used by MEH,and power supply circuit principle of Tianjin Guohua Panshan Power Plant,and then introduces a kind of typical fault cases and make anaylysis. Finally,it finds out the method to improve theoverspeed protection design's reliability in small turbine by analzing the conclusion.