300 MW可逆式抽水蓄能水轮机组摆度大原因分析与处理  

Cause analysis and treatment of large hydroturbine swing on 300 MW reversible pumped-storage unit

作　　者：李晓波 贾斌 云杰 阿古达木 LI Xiaobo;JIA Bin;YUN Jie;A Gudamu(Inner Mongolia Power(Group)Co.,Ltd.,Inner Mongolia Power Research Institute Branch,Hohhot 010020,China;Inner Mongolia Hohhot Pumped Storage Power Co.,Ltd.,Hohhot 010050,China)

机构地区：[1]内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司,内蒙古呼和浩特010010 [2]内蒙古呼和浩特抽水蓄能发电有限责任公司,内蒙古呼和浩特010050

出　　处：《电气应用》2023年第5期72-75,I0005,共5页Electrotechnical Application

基　　金：国家内蒙古电力科学研究院2021年自筹项目(510241210014)。

摘　　要：针对某300 MW可逆式抽水蓄能机组摆度大问题进行了测试,通过变励磁、变转速等一系列试验、检查和分析诊断,排除了机械不平衡、水力和电磁因素,最终确诊了故障原因为接触式密封摩擦热弯曲振动,并采取有效措施,消除了故障现象,为类似问题的诊断处理提供了参考。The large hydroturbine swing problem of a 300 MW reversible pumped-storage unit is tested,and through a series of tests,inspections and analysis and diagnosis such as variable excitation and variable speed,mechanical imbalance,hydraulic and electromagnetic factors are eliminated,and finally the cause of the fault is the friction and thermal bending vibration of the contact seal,and effective measures are taken to eliminate the fault phenomenon;It also provides a reference for the diagnosis and treatment of similar problems.

关 键 词：可逆式抽水蓄能 水轮机摆度 振动 摩擦 接触式密封 

分 类 号：TV743[水利工程—水利水电工程]