大型发电机组电气调试若干问题分析  

Analysis of Several Electric Debugging Problems of Large-sized Generator Units

作　　者：康逸群 宋梦琼 郑景文 郭雨 KANG Yiqun;SONG Mengqiong;ZHENG Jingwen;GUO Yu(State Grid Hubei Electric Science and Research Institute,Wuhan 430077,China;State Grid Hubei Technology Training Center,Wuhan 430070,China)

机构地区：[1]国网湖北省电力公司电力科学研究院,湖北武汉430077 [2]国网湖北省电力公司技术培训中心,湖北武汉430070

出　　处：《电工技术》2019年第21期136-138,共3页Electric Engineering

摘　　要：电气调试技术虽然已经较为成熟,但受设计、安装、设备、工况等因素的影响,发电厂调试过程中仍会出现各类问题。以某电厂百万容量大型机组为例,总结分析了调试中的若干问题、故障及相关调试处理方法,并通过相关试验检查,验证了调试处理方法和故障诊断的有效性、正确性,为相关的调试工作提供参考。Electric debugging is a mature technology.Due to design,installation,equipment,and working condition,there still has several problems.In this paper,large-sized units was taken as examples and several problems,faults,and solutions were summarized and analyzed.The effectiveness of methods and correctness of fault diagnosis were tested and proved,providing reference for electric debugging work.

关 键 词：电气调试 零序差动保护 厂用电切换 转子接地故障 

分 类 号：TM621[电气工程—电力系统及自动化]