机械跨接器移能灭磁系统在响水涧抽水蓄能电站中的应用  

Application of De-excitation System Based on Removing Energy by Machinery Crowbar in Xiangshuijian Pumped Storage Power Station

作　　者：王伟[1] 

机构地区：[1]浙江华电乌溪江水力发电厂,浙江衢州324000

出　　处：《水电能源科学》2012年第11期152-155,共4页Water Resources and Power

摘　　要：以响水涧抽水蓄能电站灭磁系统为例,论述了励磁系统的主回路结构,介绍了机组正常停机和事故停机时灭磁系统动作过程及机械跨接器在灭磁过程中的动作情况,分析了磁场断路器和灭磁电阻的性能,并结合电站工程实际,从安全性和经济性出发,提出了对灭磁系统的改进建议。分析结果表明,基于机械跨接器的移能灭磁系统在各种情况下均能对发电机进行快速、可靠的灭磁。The study object is the de-excitation system of Xiangshuijian pumped storage power station in the article.The main circuit structure of the excitation system is discussed.And the action process of de-excitation system in normal shutdown and accidental shutdown and machinery crowbar action is given.Then the performance of the magnetic field circuit breaker and the de-excitation resistance is analyzed.From the point of safety and economy,an improved suggestion of de-excitation system is proposed with combination of power station engineering practice.The analysis results show that the energy migration de-excitation system based on machinery crowbar can execute rapid and reliable de-excitation for generating unit in any operating mode.

关 键 词：励磁系统 灭磁 机械跨接器 磁场断路器 灭磁电阻 改进建议 

分 类 号：TV743[水利工程—水利水电工程]