| 超高压直流系统中的换流变压器保护 |
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| 引用本文： | 肖燕彩,文继锋,袁源,刘伟. 超高压直流系统中的换流变压器保护[J]. 电力系统自动化, 2006, 30(9): 91-94 |
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| 作者姓名： | 肖燕彩 文继锋 袁源 刘伟 |
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| 作者单位： | 北京交通大学机电学院,北京市,100044;南京南瑞继保电气有限公司,江苏省,南京市,211100;武汉大学电气工程学院,湖北省,武汉市,430072 |
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| 摘 要： | 介绍了超高压直流输电系统中的换流变压器保护,分析了换流变压器的特点以及超高压直流输电的各种运行工况对换流变压器保护带来的影响,比较了换流变压器和传统变压器保护的差异,并结合其特点提出相应的保护方案.
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| 关 键 词： | 变压器保护 换流变压器 比率差动 谐波 直流输电 |
| 收稿时间： | 2005-09-29 |
| 修稿时间： | 2005-09-292005-11-28 |
Protection of Converter Transformer in HVDC |
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| XIAO Yancai,WEN Jifeng,YUAN Yuan,LIU Wei. Protection of Converter Transformer in HVDC[J]. Automation of Electric Power Systems, 2006, 30(9): 91-94 |
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| Authors: | XIAO Yancai WEN Jifeng YUAN Yuan LIU Wei |
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| Affiliation: | 1.Beijing Jiaotong University, Beijing 100044, China; 2.Nari Relays Electric Co Ltd, Nanjing 211100, China;3.Wuhan University, Wuhan 430072, China |
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| Abstract: | The protection of converter transformer which is a very important equipment in the inversion situation in HVDC is introduced. Firstly the protection of the converter transformer is introduced, and the specialty of the converter transformer is discussed. The influence of the different working situations are analyzed, such as harmonic current, control of DC system etc. Then the protection of converter transformer is compared to the traditional transformer in AC power system. At last, the configuration of the protection is introduced. |
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| Keywords: | transformer protection converter transformer differential protection harmonic HVDC |
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