基于电压序量变化量的超高压混合线路故障测距方法A Fault Location Method for Extra-High Voltage Mixed Lines Based on Variation of Sequence Voltage
姜宪国;李博通;张云柯;李仲青;
摘要(Abstract):
超高压混合输电线路电缆区段及架空线区段线路参数不同,因此均匀线路测距方法无法使用。针对混合线路参数特征,提出了基于电压序量变化量的超高压混合线路故障测距方法。首先研究了混合线路沿线电压序量的快速计算方法。然后针对超高压架空线?电缆混合线路中的不对称故障,提出采用沿线负序电压幅值比较的故障位置定位方法;针对其对称故障,提出采用沿线正序电压变化量幅值比较的故障位置定位方法。EMTDC仿真表明所提算法计算速度快、测距精度高,不要求双端电气量同步,不受过渡电阻影响,且不存在伪根识别问题。
关键词(KeyWords): 超高压混合线路;电压序量变化量;行波;故障定位
基金项目(Foundation):
作者(Author): 姜宪国;李博通;张云柯;李仲青;
Email:
DOI: 10.13335/j.1000-3673.pst.2015.12.036
参考文献(References):
- [1]李博通,李永丽,胡宇,等.基于故障区域识别的超高压混联线路故障测距算法[J].电力系统自动化,2013,37(5):93-98.Li Botong,Li Yongli,Hu Yu,et al.A new fault location algorithm for extra-high voltage mixed lines based on fault zone identification[J].Automation of Electric Power Systems,2013,37(5):93-98(in Chinese).
- [2]范春菊,宋蓓华,郁惟镛.电缆-架空混合线路相间距离保护方案研究[J].供用电,2006,23(5):33-36.Fan Chunju,Song Beihua,Yu Weiyong.Study on the distance protection between phases for cable&overhead mixed lines[J].Power Supply,2006,23(5):33-36(in Chinese).
- [3]于玉泽,覃剑,李功新,等.电缆-架空线混合线路故障测距方法综述[J].电网技术,2006,30(17):64-69.Yu Yuze,Qin Jian,Li Gongxin,et al.A survey on fault location methods for hybrid transmission lines consisting of power cables and overhead lines[J].Power System Technology,2006,30(17):64-69(in Chinese).
- [4]李骏,范春菊.基于小波分析的电缆?架空线混合输电线路行波故障测距方法[J].电网技术,2006,30(9):92-97.Li Jun,Fan Chunju.Wavelet analysis based traveling wave fault location for hybrid transmission line consisting of power cable and overhead Line[J].Power System Technology,2006,30(9):92-97(in Chinese).
- [5]束洪春,孙涛.电缆-架空线混合线路故障行波测距新方法[J].电力自动化设备,2008,28(10):1-7.Shu Hongchun,Sun Tao.Fault locating based on transient traveling wave for hybrid transmission lines[J].Electric Power Automation Equipment,2008,28(10):1-7(in Chinese).
- [6]林圣,武骁,何正友,等.基于行波固有频率的电网故障定位方法[J].电网技术,2013,37(1):270-275.Lin Sheng,Wu Xiao,He Zhengyou,et al.A power system fault location method based on natural frequencies of traveling waves[J].Power System Technology,2013,37(1):270-275(in Chinese).
- [7]范新桥,朱永利.基于双端行波原理的多端输电线路故障定位新方法[J].电网技术,2013,37(1):261-269.Fan Xinqiao,Zhu Yongli.A novel fault location scheme for multi-terminal transmission lines based on principle of double-ended traveling wave[J].Power System Technology,2013,37(1):261-269(in Chinese).
- [8]李小鹏,何正友,武骁,等.计及测量装置失效的输电网行波固有频率故障定位方法[J].电网技术,2013,37(5):1217-1222.Li Xiaopeng,He Zhengyou,Wu Xiao,et al.Natural frequencies based fault location method for transmission network considering measurement device invalidation[J].Power System Technology,2013,37(5):1217-1222(in Chinese).
- [9]黄震,江泰廷,张维锡,等.基于双端行波原理的高压架空线-电缆混合线路故障定位方法[J].电力系统自动化,2010,34(14):88-91.Huang Zhen,Jiang Taiting,Zhang Weixi,et al.A fault location method for high-voltage overhead lines combined with underground power cables based on double-ended travelling wave principle[J].Automation of Electric Power Systems,2010,34(14):88-91(in Chinese).
- [10]谭丹,杨洪耕,曲广龙.基于故障距离分布函数的配电网故障定位[J].电网技术,2012,36(10):119-124.Tan Dan,Yang Honggeng,Qu Guanglong.Fault location for distribution network based on fault distance distribution function[J].Power System Technology,2012,36(10):119-124(in Chinese).
- [11]刘玉萍,何正友,何文.基于线路参数修正的同杆双回线故障定位方法[J].电网技术,2012,36(5):96-101.Liu Yuping,He Zhengyou,He Wen.Fault location for double-circuit transmission lines on same tower based on modification of transmission line parameters[J].Power System Technology,2012,36(5):96-101(in Chinese).
- [12]夏璐璐,何正友,李小鹏,等.基于行波固有频率和经验模态分解的混合线路故障测距方法[J].电力系统自动化,2010,34(18):68-73.Xia Lulu,He Zhengyou,Li Xiaopeng,et al.A fault location method based on natural frequencies and empirical mode decomposition for mixed overhead-cable lines[J].Automation of Electric Power Systems,2010,34(18):68-73(in Chinese).
- [13]高庆敏,魏锦美,陈利平,等.架空-电缆混合线路双端行波故障测距算法[J].华北水利水电学院学报,2010,31(3):55-56.Gao Qingmin,Wei Jinmei,Chen Liping,et al.Two-terminal wave traveling wave fault location new algorithm in lines consisting of cables and overhead transmission[J].Journal of North China Institute of Water Conservancy and Hydroelectric Power,2010,31(3):55-56(in Chinese).
- [14]杨光胤,葛金.小波分析故障行波测距法在混合线路中的应用[J].云南电力技术,2008,36(5):48-51.Yang Guangyin,Ge Jin.Application of fault location methods of travelling wave with wavelet analysis[J].Yunnan Electric Power,2008,36(5):48-51(in Chinese).
- [15]吴承恩,邰能灵,郁惟镛,等.超高压电缆-架空线混合线路故障测寻方法[J].电力系统自动化,2005,29(10):26-29.Wu Chengen,Tai Nengling,Yu Weiyong,et al.New method of fault detection and location for EHV cables with transmission lines[J].Automation of Electric Power Systems,2005,29(10):26-29(in Chinese).
- [16]宋国兵,李德坤,褚旭,等.基于参数识别原理的VSC-HVDC输电线路单端故障定位[J].电网技术,2012,36(12):94-99.Song Guobing,Li Dekun,Chu Xu,et al.One-terminal fault location for VSC-HVDC transmission lines based on principles of parameter identification[J].Power System Technology,2012,36(12):94-99(in Chinese).
- [17]曾惠敏,林富洪.高压电缆-架空线混合线路相位测距法[J].电力自动化设备,2011,31(9):82-87.Zeng Huimin,Lin Fuhong.Fault locating algorithm based on phase characteristics for hybrid high voltage transmission line[J].Electric Power Automation Equipment,2011,31(9):82-87(in Chinese).
- [18]刘伟,陈皓.基于分布参数模型的混合线路故障测距新算法[J].电力系统保护与控制,2009,37(24):76-80.Liu Wei,Chen Hao.A new fault location algorithm for hybrid transmission line based on distributed parameter model[J].Power System Protection And Control,2009,37(24):76-80(in Chinese).
- [19]杨军,伍咏红,江文波,等.基于双端故障信息的高压电缆-架空线混合线路故障测距方法[J].电网技术,2010,34(1):208-213.Yang Jun,Wu Yonghong,Jiang Wenbo,et al.A fault location algorithm for hybrid transmission line composed by high voltage cable and overhead line based on two-terminal information[J].Power System Technology,2010,34(1):208-213(in Chinese).
- [20]陈明军,陈益平,连新凯.架空线-高压电缆混合线路故障测距改进算法[J].机电工程,2011,28(9):1132-1135.Chen Mingjun,Chen Yiping,Lian Xinkai.Improved algorithm of fault location on overhead line and high voltage cable hybrid line[J].Journal of Mechanical and Electrical Engineering,2011,28(9):1132-1135(in Chinese).
- [21]EL-DIN E S T,ABDEL-AZIZ M M,IBRAHIM D K,et al.Fault location scheme for combined overhead line with underground power cable[J].Electrical Power System Research,2006,76(11):928-935.