火电厂锅炉跳闸硬回路的可靠性分析  

Reliability Analysis of Boiler Tripping Hard Loop in Thermal Power Plant

作　　者：郭琳[1] 魏静[2] GUO Lin;WEI Jing(Xuzhou Vocational College of Bioengineering, Xuzhou 250013, China;Shandong Electric Power Engineering Consulting Institute Corp., Ltd., Jinan 250013, China)

机构地区：[1]徐州生物工程职业技术学院,河南徐州250013 [2]山东电力工程咨询院有限公司,山东济南250013

出　　处：《国网技术学院学报》2018年第2期40-42,50,共4页Journal of State Grid Technology College

摘　　要：针对目前火电机组锅炉跳闸硬回路设计特点和应用现状,介绍锅炉跳闸硬回路典型设计原理,着重分析锅炉跳闸硬回路的可靠性。对典型问题提出改进建议,尽可能避免保护系统拒动和误动,为火电厂完善锅炉跳闸硬回路控制方案提供参考。For the design characteristics and application status of the boiler trip hard loop,the typical design principle of the boiler trip hard loop is introduced,and the reliability of the boiler trip hard loop is emphatically analyzed.Reference to the improvement of the boiler trip hard loop is provided for improvement and malfunction of the protection system.

关 键 词：MFT 硬回路 失电跳闸 带电跳闸 可靠性 

分 类 号：TM621[电气工程—电力系统及自动化]