| 桐柏抽水蓄能电厂机组负序电流保护改进 |
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| 引用本文： | 吴彬宏,舒建红.桐柏抽水蓄能电厂机组负序电流保护改进[J].水电自动化与大坝监测,2010,34(4). |
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| 作者姓名： | 吴彬宏 舒建红 |
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| 作者单位： | 浙江华电乌溪江水力发电厂,浙江省衢州市,324000 |
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| 摘 要： | 介绍了桐柏抽水蓄能电厂大容量发电电动机负序电流保护整定配合,讨论了其在实际运行中存在的问题.针对桐柏电厂机组内桥接线方式下的特点,提出符合系统需求和机组特性的负序电流保护整定改进方案,以满足大容量机组对保护选择性、灵敏性和可靠性的要求.
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| 关 键 词： | 负序电流保护 内桥接线 定时限 反时限 |
Improvement for Negative-phase Sequence Current Protection of Tongbai Pumped Storage Power Station |
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| WU Binhong
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SHU Jianhong.Improvement for Negative-phase Sequence Current Protection of Tongbai Pumped Storage Power Station[J].HYDROPOWER AUTOMATION AND DAM MONITORING,2010,34(4). |
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| Authors: | WU Binhong SHU Jianhong |
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| Affiliation: | WU Binhong,SHU Jianhong(Zhejiang Huadian Wuxijiang Hydropower Plant,Quzhou 324000,China) |
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| Abstract: | The negative-phase sequence current protection of large capacity generator/motor unit for Tongbai pumped storage power station (PSPS) is introduced. The related problems existing in practical operation are discussed. In view of the characteristics of internal bridge connection in unit of Tongbai station,an improving scheme of negative phase-sequence current protection which is in accordance with system requirement and unit characteristic is suggested,in order to satisfies the reliability and sensitivity of ... |
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| Keywords: | negative-phase sequence current protection internal bridge connection definite time relay inverse time relay |
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