朱珂;宋玉涛;徐玉刚;栾悦祎;张波;

• 1:电网智能化调度与控制教育部重点实验室(山东大学)
• 2:国网山东省电力公司烟台供电公司

摘要(Abstract)：

传统配电线路自动重合闸由于无法实时判断线路故障性质而进行的盲目重合会对系统及断路器等电气设备造成不利影响。为此提出一种配电线路三相自适应重合闸技术,即当配电线路因相间故障跳闸且故障点断电去游离后,利用电力电子开关将逆变电源短时加到配电变压器低压侧,在给可能存在的故障点施加瞬时高压的同时,基于产生的暂态电压、电流获得停电线路的频域特性,借助线路谐波阻抗对停电线路内部结构进行辨识,进而决定断路器投入与否。该方法本质上是一种停电配电线路自动故障检测技术,理论、仿真和模拟实验都验证了该方法的有效性。

关键词(KeyWords)： 配电网;重合闸;有源;瞬时性故障

Abstract:

Keywords:

基金项目(Foundation): 山东省重点科技计划资助项目(2015GGX104010);; 山东省自然科学基金资助项目(ZR2013EEM026)~~

作者(Author): 朱珂;宋玉涛;徐玉刚;栾悦祎;张波;

Email:

DOI: 10.13335/j.1000-3673.pst.2016.1862

参考文献(References)：

• [1]王庆庆,王慧芳,林达,等.基于并联电抗器差模电流波形特征的三相自适应重合闸永久性故障识别[J].电网技术,2015,39(4):1127-1132.Wang Qingqing,Wang Huifang,Lin Da,et al.Identification of permanent faults for three-phase adaptive reclosure based on waveform characteristics of differential mode currents in shunt reactors[J].Power System Technology,2015,39(4):1127-1132(in Chinese).
• [2]罗勋华,黄纯,潘志敏,等.基于序分量无功功率的单相自适应重合闸[J].电工技术学报,2016,31(11):149-156.Luo Xunhua,Huang Chun,Pan Zhimin,et al.Single-phase adaptive reclosure based on reactive power of sequence components[J].Transactions of China Electrotechnical Society,2016,31(11):149-156(in Chinese).
• [3]林达,王庆庆,王慧芳,等.带并联电抗器同杆双回线自适应重合闸方案[J].电力系统自动化,2015,39(6):101-106.Lin Da,Wang Qingqing,Wang Huifang,et al.WLAV robust state estimation based on variable substitution interior point method[J].Automation of Electric Power Systems,2015,39(6):101-106(in Chinese).
• [4]冷崇富,江亚群,黄纯,等.输电线路单相自适应重合闸的双SVM实现方案[J].电网技术,2014,38(10):2822-2827.Leng Chongfu,Jiang Yaqun,Huang Chun,et al.Implementation of dual support vector machine based adaptive single-phase reclosure of transmission line[J].Power System Technology,2014,38(10):2822-2827(in Chinese).
• [5]李博通,李永丽.基于故障点电压的单相自适应重合闸判据(英文)[J].电力系统自动化,2013,37(10):92-97.Li Botong,Li Yongli.A new adaptive single-pole autoreclosure technique based on calculation of fault point voltage[J].Automation of Electric Power Systems,2013,37(10):92-97(in Chinese).
• [6]贾晶晶,龚庆武,李勋,等.采用原子分解法的带并联补偿线路单相自适应重合闸[J].电力系统自动化,2013,37(5):117-123.Jia Jingjing,Gong Qingwu,Li Xun,et al.Single-phase adaptive reclose of shunt compensated transmission lines using atomic decomposition[J].Automation of Electric Power Systems,2013,37(5):117-123(in Chinese).
• [7]梁振锋,索南加乐,康小宁,等.利用自由振荡频率识别的三相重合闸永久性故障判别[J].中国电机工程学报,2013,33(7):124-130.Liang Zhenfeng,Suonan Jiale,Kang Xiaoning,et al.Permanent faults identification using free oscillation frequency for three-phase reclosure on transmission lines with shunt reactors[J].Proceedings of the CSEE,2013,33(7):124-130(in Chinese).
• [8]Wilson D D,Hedman D E.Fault isolator for electric utility distribution systems:US,US4370609[P].1983.
• [9]S&C,S&C Intelli Rupter Pulse Closer:Outdoor Distribution 15.5 k V and 27 k V,S&C Descriptive Bulletin 766-30,Mar.22,2010.
• [10]Xun Long,Wilsun Xu,Yunwei Li.A new technique to detect faults in de-energized distribution feeders—Part I:scheme and asymmetrical fault detection[J].IEEE Transactions on Power Delivery,2011,26(3):1893-1901.
• [11]Xun Long,Yunwei Li,Wilsun Xu,et al.A new technique to detect faults in de-energized distribution feeders—part II:symmetrical fault detection[J].IEEE Transactions on Power Delivery,2011,26(3):1902-1910.
• [12]Rhein D A,Beard L R,Roberts G B,et al.Fault detection system including a capacitor for generating a pulse and a processor for determining admittance versus frequency of a reflected pulse:US,US5650728[P].1997.
• [13]程浩忠.电能质量概论[M].北京:中国电力出版社,2013.
• [14]Roger C Dugan.电力系统电能质量[M].北京:中国电力出版社,1970.
• [15]Wang W,Nino E E,Xu W.Harmonic impedance measurement using a thyristor-controlled short circuit[J].Generation Transmission&Distribution IET,2007,1(5):707-713.
• [16]李庚银.电力系统分析基础[M].北京:机械工业出版社,2011.
• [17]刘宝稳,马宏忠.零序电压产生机理及过渡电阻测量和选相方法[J].电网技术,2015,39(5):1444-1449.Liu Baowen,Ma Hongzhong.Transition resistance measurement and fault phase selection under single-phase ground fault based on producing mechanism of zero-sequence voltage[J].Power System Technology,2015,39(5):1444-1449(in Chinese).
• [18]Ross S M.Peirce’s criterion for the elimination of suspect experimental data[J].Journal of Engineering Technology,2003,20(2):38-41.
• [19]Zhang L,Qin Y,Zhang J.Study of polynomial curve fitting algorithm for outlier elimination[C]//Computer Science and Service System(CSSS),2011 International Conference on.IEEE,2011:760-762.
• [20]王爱莲,史晓燕.统计学[M].西安:西安交通大学出版社,2010.
• [21]高吉增,杨玉磊,崔学深.感应电动机失电残压的研究及其对重合过程的影响[J].电力系统保护与控制,2009,37(4):45-48.Gao Jizeng,Yang Yulei,Cui Xueshen.The research of the residual voltage of induction motor after dumping and its influence during restoration[J].Power System Protection and Control,2009,37(4):45-48(in Chinese).