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《Hydropower Automation and Dam Monitoring》 2008-05
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Shaft-current Prevention of Langyashan Pumped Storage Power Station

WU Peizhi(East China Langyashan Pumped Storage Co.Ltd.,Chuzhou 239000,China)  
The origin of shaft-current and its damage to generator units are introduced briefly,and prevention measures are proposed.According to the configuration of bearings of the Langyashan Pumped Storage Power Station,the principle of shaft-current prevention devices is analyzed,and some possible shaft-current origins are pointed out,which are helpful to position the faults.
【CateGory Index】： TV743
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【References】
Chinese Journal Full-text Database 3 Hits
1 ZOU Zubing(M & E Department of China Three Gorges Project Corporation,Yichang 443133,China);Discussion on Shaft Current On-line Monitoring of Hydro-generators[J];Hydropower Automation and Dam Monitoring;2009-05
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【Citations】
Chinese Journal Full-text Database 1 Hits
1 Zhou Jianwei (Guangzhou Pumped Storage Power Station, Conghua 510950, China);THE SHAFT CURRENT PROTECTION OF PUMPED STORAGE POWER STATION[J];Dam Observation and Geotechnical Tests;2003-01
【Co-citations】
Chinese Journal Full-text Database 10 Hits
1 WANG Binliang,HUANG Feng(Aluminum Corporation of Henan Yongcheng Aluminum Shenhuo Henan,450000,China);Arc protection system applied research in the aluminum industry[J];Sichuan Nonferrous Metals;2011-03
2 WANG Wei1,YE Yuan-bo2(1.Hefei Power Supply Company,Hefei 230022,China;2.Anhui Electrical Power Dispatch & Communication Center,Hefei 230022,China);The Analysis of the Relay Operation Due to the Opened Current Circuit[J];Journal of Anhui Electrical Engineering Professional Technique College;2008-03
3 ;The Study on the Logical Coor dination of the Line Protection Relay with the Circuit Breaker in 220 kV System[J];Anhui Electric Power;2008-03
4 SHEN Jie and GONG Ming(Power Plant,Baoshan Iron & Steel Co.,Ltd.,Shanghai 200941,China);Analysis and calculation of the neutral point earthing mode selection for generators[J];Baosteel Technology;2011-01
5 HAO Zhi-guo, ZHANG Bao-hui, CHU Yun-long(Xi'an Jiaotong University, Xi'an 710049, China);Trend and Situation of Distinguish Technologyof Transformer Magnetizing Inrush Current[J];Transformer;2005-07
6 LU Dong-sheng,HE Xiao-ming,HUANG Yu-ming,CHU Guo-wei(Changzhou Power Supply Company,Changzhou 213003,China);Analysis of False Action of Differential Protection of Main Transformer[J];Transformer;2010-09
7 WU Chang-she1,LIN Lin2,LIU Xi-jia2(1.Wenzhou Electric Power Dispatch & Communication Center,Whenzhou 325000,China;2.Wenzhou Electric Power High Voltage Repair & Test Work Area,Whenzhou 325000,China);Inrush current restraint scheme of power transformer differential protection[J];Journal of Electric Power Science and Technology;2009-03
8 Gui Lin , Sun Yuguang , Wang Xiangheng , Wang Weijian , Li Li , Xie Zhuojian ( Tsinghua University, Beijing 100084, China) ( Mid South Design & Research Institute for Hydroelectric Projects, Changsha 410014, China) (3. Hunan Fengtan Generating Company Limited, Changsha 410007, China);PRACTICAL APPLICATION OF INTERNAL FAULT ANALYSIS SOFTWARE TO POWER GENERATORS[J];Dam Observation and Geotechnical Tests;2003-06
9 GUI Lin1,WANG Weijian1,XI Yu2,ZHANG Qungang2(1.Tsinghua University,Beijing 100084,China)(2.Northwest Investigation Design and Research Institute,Xi'an 710065,China);Comparison of the Main Protection Designs for Hydro-generators with Multi-branch Per Phase of Longyangxia and Laxiwa Hydropower Stations[J];Hydropower Automation and Dam Monitoring;2007-04
10 SHEN Bingke,WANG Weifu(Yellow River Engineering Consulting Co Ltd,Zhengzhou 450003,China);Design of Relay Protection for Generators and Transformers of Xixiayuan Hydropower Station[J];Hydropower Automation and Dam Monitoring;2007-05
China Proceedings of conference Full-text Database 10 Hits
1 ZHANG Kan-jun,YIN Xiang-gen,CHEN De-shu,ZHANG Zhe,Li Wei (Electric Power Security and High Efficiency Lab,Huazhong University of Science and technology, Wuhan 430074,Hubei Province,China);Analysis of Large Hydro-Generator Single Element Transverse Differential Current[A];[C];2007
2 XU Qiang,YIN Xiang-gen (Electric Power Security and High Efficiency Lab, Huazhong University of Science and Technology,Wuhan,China,430074);Research of a Digital-Based Induction Motor Protection Device[A];[C];2007
3 CHEN Jun YAN Wei SHEN Quan-rong Nari-Relays Electric Co.,Ltd.,Nanjing Jiangsu 211102,china;Study on Generator Stator and Rotor Earth Fault Protection for Large-sized Hydro-Generator[A];[C];2008
4 Xuchang Xj Electric Co.Ltd.,Xuchang 461000,Henan Province,China;The Application of Injection 20Hz voltage Stator Grounding Protection on Sanxia's Hydraulic Generator[A];[C];2008
5 ;ZDJ801A注入式定子接地保护装置的研制[A];[C];2009
6 Shi Nian Li Xian-shan (College of Electrical Engineering & Information Sinence,China Three Gorges University,Hubei,Yichang,443002);Integrated System Simulation of Relay Protection Settings System for Hydropower Plants[A];[C];2008
7 Sun Huihao~1,Liu Yulin~1,Wu Lei~1,Li Mengling~2 (1.Power General Corporation of Shengli Oil Field,Shandong Province Dongying City 257000 2.Gudao Oil Production Plant of Sengli Oil Field,Shandong Province Dongying City 257068);Research on Transformer Modeling and Simulation Based on EMTP/ATP[A];[C];2009
8 HU Tai LV Nian-ming LIU Bing-rong(Heshan Bureau of Guangdong Power Grid Corporation,Heshan 529700,Guangdong,China);Analysis and Precautions of Fault in 220kV Transformer When It Begins To Operate[A];[C];2006
9 Liu Hui(Chaohu Electric Power Company,Chaohu 238005,Anhui Province);The Reason And Countermeasure Of Gas Protection Action In Power Transformer[A];[C];2006
10 JIN Qichao LIU Minghui JI Yongping CUI Dezhi WANG Haibing Nanjing Talent Electric Co.,Ltd.,Nanjing 211800,China;The Problem of Estimating The Setting Value Error of Ratio Differential Protection[A];[C];2008
【Co-references】
Chinese Journal Full-text Database 10 Hits
1 Zhou Jianwei (Guangzhou Pumped Storage Power Station, Conghua 510950, China);THE SHAFT CURRENT PROTECTION OF PUMPED STORAGE POWER STATION[J];Dam Observation and Geotechnical Tests;2003-01
2 SHAO Yixiang1,Lü Hongshui1,FENG Yong2(1.State Grid Electric Power Research Institute,Nanjing 210003,China;2.Yunnan Electric Power Test and Research Institute,Kunming 650051,China);Simulation for Back-to-Back Starting of Pumped Storage Units[J];Hydropower Automation and Dam Monitoring;2008-04
3 ZHANG Binghai1,WANG Xianzhi1,ZHANG Li1,LI Xiaowen2(1.Hebei Electric Power Research Institute,Shijiazhuang 050021,China;2.Zhanghewan Pumped Storage Co.Ltd.,Shijiazhuang 050041,China);Influence of Working Modes of Pumped Storage Unit on Generator-transformer Protection[J];Hydropower Automation and Dam Monitoring;2008-06
4 ZHENG Xiaogang1,REN Gang2(1.East China Tianhuangping Pumped Storage Power Co.Ltd.,Anji 313302,China;2.Hebei Zhanghewan Pumped Storage Co.Ltd.,Jingxing 050300,China);The Influence of the Pump Storage Unit State on Generator and Transformer Protection and Engineering Solution[J];Hydropower Automation and Dam Monitoring;2009-01
5 REN Ming xia 1(1 Shanxi Company of China Aluminium,Hejin 043300,China);Failure Analysis of AC Motor Shaft Current[J];Journal of Electric Power;2003-03
6 SU Li-feng(Y.R.Wanjiazhai Water Multi-Purpose Dam Project Co.,Ltd.Pianguan 036412,China);A Cause Analysis of Shaft Voltage of Water Turbine Generator[J];Journal of Electric Power;2007-01
7 Wang Xin;Analysis on Shaft-current of the Motor[J];Electrical Machinery Technology;2005-01
8 Wan Jianru, Sun Yangjian, Yu Huajun (Tianjin University, Tianjin 300072, China);ANALYSIS OF MOTOR BEARING CURRENT DRIVEN BY PWM PULSE[J];Automation of Electric Power Systems;2003-18
9 ZHANG Kaifeng,DAI Xianzhong,MA Chao,ZHANG Ga(Key Laboratory of Measurement and Control of CSE of Ministry of Education,School of Automation,Southeast University,Nanjing 210096,China);Left-inversion Soft-sensing Method for the Directly Immeasurable Variables in the Synchronous Generator[J];Automation of Electric Power Systems;2008-23
10 ;Study about Shaft Current Test on the Generator in Guangxi Yantan Hydraulic Power Plant[J];Guangxi Electric Power Technology;2002-02
China Proceedings of conference Full-text Database 1 Hits
1 PANG Yong-xin (CSG Power Generation Company,Guangzhou,510630);Equipment Inspection System of Pumped-storage Power Plant[A];[C];2009
【Secondary References】
Chinese Journal Full-text Database 1 Hits
1 TAN Shi-hai1,SHI Sheng-ping2,XIONG Ju-di1(1.Chongqing Electric Power College,Chongqing 400053,China; 2.Youyang Power Supply Co.,Ltd.,Youyang Chongqing 408000,China);A Study on the Influence of the Shaft Current of the Generator on Its Operation and Relevant Precautionary Measures[J];Journal of Chongqing Electric Power College;2013-02
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