1.华北电力大学 电气与电子工程学院,河北 保定 071003
2.中国电力科学院有限公司 电网安全与节能国家重点实验室,北京 100192
戴志辉(1980 —),男,宁夏固原人,副教授,博士,通信作者,主要研究方向为电力系统保护与控制(E-mail:daihuadian@163. com);
刘宁宁(1993—),女,河北石家庄人,硕士研究生,主要研究方向为电力系统保护与控制。
收稿:2019-04-14,
修回:2019-07-11,
纸质出版:2019-09-10
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戴志辉,刘宁宁,刘媛等.基于电压反行波的特高压直流输电单端量线路保护[J].电力自动化设备,2019,39(09):80-87.
DAI Zhihui,LIU Ningning,LIU Yuan,et al.Single-terminal line protection for UHVDC power transmission based on voltage backward traveling wave[J].Electric Power Automation Equipment,2019,39(09):80-87.
戴志辉,刘宁宁,刘媛等.基于电压反行波的特高压直流输电单端量线路保护[J].电力自动化设备,2019,39(09):80-87. DOI: 10.16081/j.epae.201909004.
DAI Zhihui,LIU Ningning,LIU Yuan,et al.Single-terminal line protection for UHVDC power transmission based on voltage backward traveling wave[J].Electric Power Automation Equipment,2019,39(09):80-87. DOI: 10.16081/j.epae.201909004.
针对传统特高压直流输电线路电流差动保护快速性差、耐受过渡电阻能力有限等问题,提出一种基于电压反行波的单端电气量直流线路保护。综合考虑线路边界和直流输电线路对高频故障电压行波的衰减作用,结合发生区内、区外故障时故障行波传输特性发现:发生区内故障时,整流侧保护元件测得的高频电压反行波较大;发生区外故障时,保护元件在研究时段内测得的高频电压反行波较小,甚至近似为0。据此,可判别区内、区外故障。采用改进电压梯度法实现保护的快速、可靠启动。大量仿真结果表明,该保护方案能快速识别区内、区外故障,无需通信,能可靠保护线路全长,且耐过渡电阻能力强,不受分布电容影响。
In view of the shortages of traditional current differential protections for UHVDC(Ultra High Vol-tage Direct Current) transmission lines,such as poor tripping speed and limited adaptability to high-resistance faults,a single-terminal line protection based on voltage backward traveling wave is proposed. Consi-dering the attenuation impacts of both line boundary and UHVDC lines on high-frequency voltage trave-ling wave,the transmission characteristics of traveling wave with respect to internal and external faults on UHVDC lines are performed. It shows that the high-frequency voltage backward traveling wave at the rectifier side is relatively large in the case of internal faults. However,the backward traveling wave is approximately to be 0 in the case of external faults. Thus,it can be utilized to discriminate internal faults from external ones. The improved voltage gradient method is used to realize the quick and reliable pickup criterion. Numerous simulative results show that the proposed protection scheme can identify the internal and external faults quickly without communication,and can protect the entire line reliably. Besides,it can identify high-impedance faults and is not subject to the distributed capacitor of DC lines.
郑晓东 , 邰能灵 , 杨光亮 , 等 . 特高压直流输电系统的建模与仿真 [J]. 电力自动化设备 , 2012 , 32 ( 7 ): 10 - 14 .
ZHENG Xiaodong , TAI Nengling , YANG Guangliang , et al . Mo-deling and simulation of UHVDC system [J]. Electric Power Automation Equipment , 2012 , 32 ( 7 ): 10 - 14 .
李欢 , 赵晓斌 , 杨煜 . 高压直流工程熄弧角测量异常引发换相失败故障的分析与处理 [J]. 电力自动化设备 , 2019 , 39 ( 3 ): 214 - 218 .
LI Huan , ZHAO Xiaobin , YANG Yu . Analysis and treatment of commutation failure caused by abnormal extinction angle in HVDC system [J]. Electric Power Automation Equipment , 2019 , 39 ( 3 ): 214 - 218 .
李小鹏 , 汤涌 , 朱清代 , 等 . 利用测量波阻抗相位特征的高压直流输电线路纵联保护 [J]. 电网技术 , 2018 , 42 ( 4 ): 1251 - 1258 .
LI Xiaopeng , TANG Yong , ZHU Qingdai , et al . Pilot protection for HVDC transmission lines utilizing phase features of measured surge impedance [J]. Power System Technology , 2018 , 42 ( 4 ): 1251 - 1258 .
郑俊超 , 文明浩 , 秦瑜 , 等 . 具备故障选极能力的高压直流输电线路差动保护新原理 [J]. 中国电机工程学报 , 2018 , 38 ( 15 ): 4350 - 4358 .
ZHENG Junchao , WEN Minghao , QIN Yu , et al . A novel differential protection scheme with fault line selection capability for HVDC transmission line [J]. Proceedings of the CSEE , 2018 , 38 ( 15 ): 4350 - 4358 .
周全 , 武霁阳 , 李海锋 . 高压直流线路区内外故障判别新方法 [J]. 电力自动化设备 , 2016 , 36 ( 12 ): 123 - 128,148 .
ZHOU Quan , WU Jiyang , LI Haifeng . In-/out-zone fault identification for HVDC transmission line [J]. Electric Power Automation Equipment , 2016 , 36 ( 12 ): 123 - 128,148 .
孔飞 , 张保会 , 王艳婷 , 等 . 超高速直流输电线路保护方向元件 [J]. 电力自动化设备 , 2014 , 34 ( 8 ): 83 - 88 .
KONG Fei , ZHANG Baohui , WANG Yanting , et al . Ultra-high-speed directional element of relay protection for HVDC transmission line [J]. Electric Power Automation Equipment , 2014 , 34 ( 8 ): 83 - 88 .
韩昆仑 , 蔡泽祥 , 徐敏 , 等 . 高压直流输电线路微分欠压保护特征量动态特性分析与整定 [J]. 电力自动化设备 , 2014 , 34 ( 2 ): 114 - 119 .
HAN Kunlun , CAI Zexiang , XU Min , et al . Dynamic charac-teristic analysis and setting of characteristic parameters of differential under-voltage protection for HVDC transmission line [J]. Electric Power Automation Equipment , 2014 , 34 ( 2 ): 114 - 119 .
李小鹏 , 汤涌 , 滕予非 , 等 . 基于反行波幅值比较的高压直流输电线路纵联保护方法 [J]. 电网技术 , 2016 , 40 ( 10 ): 3095 - 3101 .
LI Xiaopeng , TANG Yong , TENG Yufei , et al . Pilot protection method based on amplitude comparison of backward traveling wave for HVDC transmission lines [J]. Power System Techno-logy , 2016 , 40 ( 10 ): 3095 - 3101 .
高淑萍 , 索南加乐 , 宋国兵 , 等 . 利用电流突变特性的高压直流输电线路纵联保护新原理 [J]. 电力系统自动化 , 2011 , 35 ( 5 ): 52 - 56 .
GAO Shuping , SUONAN Jiale , SONG Guobing , et al . A new pilot protection principle for HVDC transmission lines based on current fault component [J]. Automation of Electric Power Systems , 2011 , 35 ( 5 ): 52 - 56 .
孔飞 , 张保会 , 王艳婷 , 等 . 基于行波波形相关性分析的直流输电线路纵联保护方案 [J]. 电力系统自动化 , 2014 , 38 ( 20 ): 108 - 114 .
KONG Fei , ZHANG Baohui , WANG Yanting , et al . A novel pilot protection scheme for hvdc transmission lines based on waveform correlation analysis of traveling wave [J]. Automation of Electric Power Systems , 2014 , 38 ( 20 ): 108 - 114 .
SONG Guobing , CHU Xu , GAO Shuping , et al . A new whole-line quick-action protection principle for HVDC transmission lines using one-end current [J]. IEEE Transactions on Power Delivery , 2015 , 30 ( 2 ): 599 - 607 .
魏德华 , 苗世洪 , 刘子文 , 等 . 基于边界特征的高压直流输电长线路故障判别方法 [J]. 电力系统保护与控制 , 2018 , 46 ( 17 ): 75 - 82 .
WEI Dehua , MIAO Shihong , LIU Ziwen , et al . A fault identification method for HVDC transmission with long line based on boundary characteristics [J]. Power System Protection and Control , 2018 , 46 ( 17 ): 75 - 82 .
束洪春 , 刘可真 , 朱盛强 , 等 . ±800 kV特高压直流输电线路单端电气量暂态保护 [J]. 中国电机工程学报 , 2010 , 30 ( 31 ): 108 - 116 .
SHU Hongchun , LIU Kezhen , ZHU Shengqiang , et al . ±800 kV UHVDC transmission line protection based on single end electrical transient signal [J]. Proceedings of the CSEE , 2010 , 30 ( 31 ): 108 - 116 .
李斌 , 何佳伟 , 李晔 , 等 . 基于边界特性的多端柔性直流配电系统单端量保护方案 [J]. 中国电机工程学报 , 2016 , 36 ( 21 ): 5741 - 5749 .
LI Bin , HE Jiawei , LI Ye , et al . Single-ended protection scheme based on boundary characteristic for the multi-terminal VSC-based DC distribution system [J]. Proceedings of the CSEE , 2016 , 36 ( 21 ): 5741 - 5749 .
陈仕龙 , 张杰 , 刘红锐 , 等 . 特高压直流输电线路单端电流方向暂态保护 [J]. 电工技术学报 , 2016 , 31 ( 2 ): 171 - 177 .
CHEN Shilong , ZHANG Jie , LIU Hongrui , et al . A single-ended current direction transient protection of UHVDC transmission line [J]. Transactions of China Electrotechnical Society , 2016 , 31 ( 2 ): 171 - 177 .
刘剑 , 邰能灵 , 范春菊 . 基于电流波形匹配的高压直流输电线路纵联保护 [J]. 电网技术 , 2015 , 39 ( 6 ): 1736 - 1743 .
LIU Jian , TAI Nengling , FAN Chunju . A novel pilot protection scheme for HVDC transmission line based on current waveform matching [J]. Power System Technology , 2015 , 39 ( 6 ): 1736 - 1743 .
XING Luhua , WENG Haixia , WANG Liang , et al . Transient simulation of lightning strokes on HVDC transmission lines and fault pole selection [C]∥ 2017 2nd International Con-ference on Power and Renewable Energy . Chengdu,China : IEEE , 2017 : 219 - 224 .
张保会 , 张嵩 , 尤敏 , 等 . 高压直流线路单端暂态量保护研究 [J]. 电力系统保护与控制 , 2010 , 38 ( 15 ): 18 - 23 .
ZHANG Baohui , ZHANG Song , YOU Min , et al . Research on transient-based protection for HVDC lines [J]. Power System Protection and Control , 2010 , 38 ( 15 ): 18 - 23 .
ZHANG Song , ZHANG Baohui , YOU Min , et al . Realization of the transient-based boundary protection for HVDC transmission lines based on high frequency energy criteria [C]∥ 2010 International Conference on Power System Technology . Hangzhou,China : IEEE , 2010 : 1 - 7 .
YOU Min , ZHANG Baohui , CAO Ruifeng , et al . Study of non-unit transient-based protection for HVDC transmission lines [C]∥ 2009 Asia-Pacific Power and Energy Engineering Con-ference . Wuhan,China : IEEE , 2009 : 1 - 5 .
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