| 注入方波电压式转子接地保护装置的研制及应用 |
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| 引用本文： | 王光,温永平,陈俊,严伟.注入方波电压式转子接地保护装置的研制及应用[J].江苏电机工程,2009,28(2). |
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| 作者姓名： | 王光 温永平 陈俊 严伟 |
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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. 中广核风力发电有限公司内蒙古分公司,内蒙古,呼和浩特,010020 |
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| 摘 要： | 针时已有转子接地保护方案的局限性,提出了新型注入方波电压式转子接地保护方案,阐述了基本原理及保护判据的形成,并就应用中的几项关键技术进行了分析;最后介绍了该保护方案的应用情况,证明了提出的注入方渡电压式转子接地保护完全满足特大型机组的要求.
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| 关 键 词： | 转子接地保护 注入式 自适应方波频率调整 |
Development and Application of Device of Injecting-step-voltage Rotor Ground Protection |
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| WANG Guang,WEN Yong-ping,CHEN Jun,YAN Wei.Development and Application of Device of Injecting-step-voltage Rotor Ground Protection[J].Jiangsu Electrical Engineering,2009,28(2). |
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| Authors: | WANG Guang WEN Yong-ping CHEN Jun YAN Wei |
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| Affiliation: | 1.Nanjing NARI-Relays Eletric Co.;Ltd.;Nanjing 211102;China;2.CHINA Guangdong Nuclear Wind Power Company;Huhhot 010020;China |
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| Abstract: | This paper analyses the defects of existing rotor ground protection.Based on the new demands of super-huge generator,a new injection rotor ground protection scheme is brought forward,the basic principle and protection criterion are analyzed,and several key techniques of the protection are expatiated.The application of the proposed protection scheme proofs that the new injection rotor ground protection is exact and reliable. |
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| Keywords: | rotor ground protection injecting adaptive adjustment of step voltage frequency |
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