| 龙泉换流站双极中性线差动保护分析 |
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| 引用本文： | 王海军,梅宁,杨彬.龙泉换流站双极中性线差动保护分析[J].湖北电力,2011,35(6):59-60. |
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| 作者姓名： | 王海军 梅宁 杨彬 |
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| 作者单位： | 湖北超高压输变电公司直流运行检修中心,湖北宜昌,443003 |
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| 摘 要： | 龙泉换流站双极中性线差动保护,能够检测并清除接地极和极中性母线之间的接地故障.文章分析了龙泉站双极中性线差动保护的配置和算法,比较了龙泉换流站和葛洲坝换流站相似保护的优劣,提出了提高直流输电系统运行可靠性的建议.
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| 关 键 词： | 换流站 双极中性线 差动保护 |
Brief Analysis of the Differential Protection of Bipolar Neutral Line at Longquan Converter Station |
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| WANG Hai-jun
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MEI Ning
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YANG Bin.Brief Analysis of the Differential Protection of Bipolar Neutral Line at Longquan Converter Station[J].Hubei Electric Power,2011,35(6):59-60. |
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| Authors: | WANG Hai-jun MEI Ning YANG Bin |
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| Affiliation: | (HVDC Operation & Maintenance Center of HBEPC EHV Transmission &Substation Company,Yichang Hubei 443003,China) |
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| Abstract: | The differential protection of bipolar neutral line at Longquan converter station is used for the detection of earthing fault occurring within the range of grounding electrode and neutral bus.In this article,the configuration and algorithm of the differential protection of common neutral bus at Longquan converter station was analyzed.The comparison of advantage and disadvantage between Longquan converter station and Gezhouba converter station was presented.Suggestions for increasing the reliability of the operation of HVDC transmission project were put forward. |
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| Keywords: | converter station bipolar neutral line differential protection |
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