| 基于光学电流互感器的发电厂保护优化研究 |
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| 引用本文： | 王光,陈俊,王凯,李华忠,陈佳胜,钟守平,季遥遥. 基于光学电流互感器的发电厂保护优化研究[J]. 水电与抽水蓄能, 2022, 8(1): 19-23. DOI: 10.3969/j.issn.2096-093X.2022.01.006 |
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| 作者姓名： | 王光 陈俊 王凯 李华忠 陈佳胜 钟守平 季遥遥 |
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| 作者单位： | 南京南瑞继保电气有限公司,江苏省南京市211102 |
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| 摘 要： | 本文总结了采用柔性光学电流互感器的发电厂继电保护针对不同场景的优化研究和探索,介绍了发电机主保护方案优化、转子绕组匝间保护、选择性定子接地保护、核电辅助变断相监测保护、抽水蓄能等变频启动机组保护优化等保护优化方案和效果,利用柔性光学TA良好的传变特性和灵活的安装方式,较好地解决了现有发电厂保护存在的问题,可为现场类似场景的问题解决提供参考思路。
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| 关 键 词： | 柔性光学电流互感器 发电机主保护优化 转子绕组匝间保护 选择性定子接地保护 核电辅助变断相监测保护 变频启动过程保护 |
Research on Protection Optimization of Power Plant Based on Optical Current Transformer |
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| WANG Guang,CHEN Jun,WANG Kai,LI Huazhong,CHEN Jiasheng,ZHONG Shouping,JI Yaoyao. Research on Protection Optimization of Power Plant Based on Optical Current Transformer[J]. Hydropower and Pumped Storage, 2022, 8(1): 19-23. DOI: 10.3969/j.issn.2096-093X.2022.01.006 |
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| Authors: | WANG Guang CHEN Jun WANG Kai LI Huazhong CHEN Jiasheng ZHONG Shouping JI Yaoyao |
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| Affiliation: | (NR Electric Co.Ltd.,NanJing 211102,China) |
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| Abstract: | The recent trend in the optimization research and exploration of power plant protection based on flexible optical current transformer was introduced in this paper.The author summarizes and introduces the technical schemes and application effects of generator main protection scheme optimization,rotor winding inter turn fault protection,selective stator grounding protection,phase failure monitoring and protection of nuclear power auxiliary transformer,protection optimization of variable frequency starting unit,etc..Using the good transmission characteristics and flexible installation mode of flexible optical current transformer,we have solved some problems in power plant protection,and provided ideas for the solution of similar scenes in power plant. |
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| Keywords: | flexible optical current transformer generator main protection scheme optimization rotor winding inter turn fault protection selective stator grounding protection phase failure monitoring and protection of nuclear power auxiliary transformer variable frequency starting protection. |
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