汽轮机机械式危急遮断器设计简介  

Brief Introduction of Turbine Mechanical Emergency Breaker Design

作　　者：王振林 刘祥平 WANG Zhenlin;LIU Xiangping(Nantong Tianshenggang Power Generation Co.,Ltd.,Nantong 226003,China;Shanghai Electric Power Generation Equipment Co.,Ltd.Turbine Plant,Shanghai 200240,China)

机构地区：[1]南通天生港发电有限公司,南通226003 [2]上海电气电站设备有限公司汽轮机厂,上海200240

出　　处：《热力透平》2021年第2期131-134,共4页Thermal Turbine

摘　　要：汽轮机危急遮断器是防止汽轮机超速的部件。主要介绍了机械式危急遮断器的结构,以及常用理论计算方法,即计算不同转速工况下的危急遮断器运动部件离心惯性力及弹簧力。该方法适用于各种汽轮机,具有普适性。研究成果可为汽轮机危急遮断器的设计提供参考。Turbine emergency breaker is a component to prevent over-speed in steam turbine.The structure of mechanical emergency breaker is presented,and the common theoretical calculation method is demonstrated,which is to calculate the centrifugal inertia force and spring force of the moving parts in the breaker under different rotating speed conditions.This method is applicable to all kinds of steam turbines and is of universality.The research results can provide reference for the design of emergency breaker in steam turbine.

关 键 词：汽轮机转速 危急遮断器 离心惯性力 在线试验 

分 类 号：TK473[动力工程及工程热物理—动力机械及工程]