汽轮机危急遮断系统原理及优化分析  

Principle and Optimization Analysis of Turbine Emergency Trip System

作　　者：潘正伟 周文龙 PAN Zhengwei;ZHOU Wenlong(Shanghai Electric Power Generation Equipment Co.,Ltd.Turbine Plant,Shanghai 200240,China)

机构地区：[1]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3期215-217,228,共4页Thermal Turbine

摘　　要：汽轮机危急遮断系统对于机组的安全运行而言至关重要。从汽轮机危急遮断系统的可靠性出发,对危急遮断系统的结构和原理进行了论述。分析了危急遮断系统中PLC组件的供电方式及危急遮断逻辑储存方式,结合电厂实例,提出了优化方案。分析研究结果对同类型危急遮断系统优化具有参考意义。The turbine emergency trip system is critical to the operation safety of turbine unit.The structure and principle of turbine’s emergency trip system are discussed based on the system reliability,and the power supply method of PLC component and the storage mode of emergency trip logic are analyzed.Meanwhile,the optimization scheme is proposed combined with the engineering case of power plant.The research result can provide reference for optimization of the same type of emergency trip system.

关 键 词：汽轮机 危急遮断系统 PLC组件供电 逻辑存储 可靠性 

分 类 号：TK264.2[动力工程及工程热物理—动力机械及工程]