| 特大型机组保护若干问题探讨 |
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| 引用本文： | 严伟,方运昇,陈俊,郭自刚,沈全荣.特大型机组保护若干问题探讨[J].江苏电机工程,2011,30(2):16-19. |
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| 作者姓名： | 严伟 方运昇 陈俊 郭自刚 沈全荣 |
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| 作者单位： | 1. 南京南瑞继保电气有限公司,江苏,南京,211102
2. 安徽省电力工程监理有限公司,安徽,池州,247100 |
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| 摘 要： | 对大型汽轮机零功率切机保护、大型水电机组中性点分支电流不完全引入对后备保护的影响、大型机组失磁保护用转子电压的引入方式、注入式定子接地保护与接地变参数的配合原则、注入式转子接地保护故障定位功能以及高灵敏横差保护进行了探讨,为今后类似特大型机组保护的研发、设计和工程实施提供参考.
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| 关 键 词： | 零功率切机保护 失磁转子电压 注入式定子接地保护 注入式转子接地保护 高灵敏横差保护 |
Research on Protection Issues of Oversize Power Plants |
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| YAN Wei,FANG Yun-sheng,CHEN Jun,GUO Zi-gang,SHEN Quan-rong.Research on Protection Issues of Oversize Power Plants[J].Jiangsu Electrical Engineering,2011,30(2):16-19. |
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| Authors: | YAN Wei FANG Yun-sheng CHEN Jun GUO Zi-gang SHEN Quan-rong |
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| Affiliation: | YAN Wei1,FANG Yun-sheng2,CHEN Jun1,GUO Zi-gang1,SHEN Quan-rong1(1.Nari-relays Electric Co.Ltd.,Nanjing 211102,China,2.Anhui Power Engineering Supervision Co.Ltd.,Chizhou 247100,China) |
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| Abstract: | The switching protection of steam turbine in zero-power condition,the effect of incomplete import of neutral point branch current on backup protection,the entry mode of rotor voltage prepared for loss of excitation protection,the injection type stator ground protection,the injection type rotor ground protection and the highly sensitive transverse differential protection are researched in the paper.The conclusions can provide valuable reference for the research,development,design and engineering implementati... |
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| Keywords: | switching protection rotor voltage injection type stator ground protection injection type rotor ground protection highly sensitive transverse differential protection |
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