溪洛渡水电站左岸励磁系统灭磁回路工作原理及设计  

Operation Principle and Design of De-excitation Circuit for Excitation System on Left Bank of Xiluodu Hydropower Plant

作　　者：刘喜泉 陈小明 

机构地区：[1]溪洛渡水力发电厂,云南省昭通市657300

出　　处：《水电自动化与大坝监测》2012年第2期36-39,共4页HYDROPOWER AUTOMATION AND DAM MONITORING

摘　　要：阐述了溪洛渡水电站左岸励磁系统灭磁回路的工作原理,以及在正常停机和事故停机时,灭磁回路的工作流程。根据相关技术规范要求,结合发电机组具体参数要求,对灭磁回路的交、直流磁场断路器、灭磁电阻进行了设计和计算,从理论上证明了灭磁回路设备选型的正确性。The operation principle of de-excitation circuit of the excitation system on the left bank of Xiluodu Hydropower Plant is described,as well as the working flowchart of de-excitation circuit at normal and emergency shut down of the power unit.According to the specification for static rectified excitation systems and the specific parameters of power units,the AC/DC field breakers and the de-excitation resistor of de-excitation circuit are designed and calculated,which proves the correctness of the device choice for de-excitation circuit from the theory.

关 键 词：水电站 励磁系统 灭磁回路 磁场断路器 灭磁电阻 

分 类 号：TV642.4[水利工程—水利水电工程]