| 外加20Hz电源定子接地保护在三峡右岸水电机组上的应用 |
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| 引用本文： | 郭宝甫,陈海龙,毕大强,刘志文,徐立明. 外加20Hz电源定子接地保护在三峡右岸水电机组上的应用[J]. 水电自动化与大坝监测, 2011, 35(2): 36-39 |
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| 作者姓名： | 郭宝甫 陈海龙 毕大强 刘志文 徐立明 |
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| 作者单位： | 1. 许继电气股份有限公司,河南省许昌市,461000
2. 清华大学电机系,北京市,100084 |
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| 摘 要： | 介绍了三峡右岸水电机组外加20 Hz电源定子接地保护的方案,分析了其基本原理,阐述了大型水电机组外加20 Hz电源定子接地保护的几项关键技术,动模试验和现场运行情况证明了该保护的工程可靠性.
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| 关 键 词： | 水电厂 水轮机 定子接地保护 注入式 安全电流 阻抗补偿 |
Stator Earthing Protection with Injected 20 Hz Voltage for Hydraulic Generator on Right Bank of Three Gorges Hydropower Station |
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| GUO Baofu , CHEN Hailong , BI Daqiang , LIU Zhiwen , XU Liming. Stator Earthing Protection with Injected 20 Hz Voltage for Hydraulic Generator on Right Bank of Three Gorges Hydropower Station[J]. HYDROPOWER AUTOMATION AND DAM MONITORING, 2011, 35(2): 36-39 |
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| Authors: | GUO Baofu CHEN Hailong BI Daqiang LIU Zhiwen XU Liming |
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| Affiliation: | GUO Baofu1,CHEN Hailong1,BI Daqiang2,LIU Zhiwen1,XU Liming1(1.XJ Electric Co.Ltd.,Xuchang 461000,China,2.Tsinghua University,Beijing 100084,China) |
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| Abstract: | The scheme of stator earthing protection with injected 20 Hz voltage used for hydraulic generator in right bank of Three Gorges Hydropower Station is introduced.The basic principles of stator earthing protection with injected 20 Hz voltage are analyzed.Some key techniques of the protection for large-size hydraulic generator is also explained.Dynamic model test and site operation on hydraulic generator in right bank of Three Gorges Hydropower Station proved that stator earthing protection with injected 20 Hz... |
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| Keywords: | hydropower stations turbines stator earthing protection voltage injection safe current impedance compensation |
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