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电网技术  2014 

融合零序电流衰减直流分量的矿山电网接地选线

DOI: 10.13335/j.1000-3673.pst.2014.04.041, PP. 1087-1094

Keywords: 矿山电网,单相接地选线,最小二乘矩阵束,零序低频暂态,衰减直流分量

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Abstract:

矿山高压电网单相接地故障中零序电流的衰减直流分量对选线的速度与准确度均有很大影响。为此,在深入研究单相接地低频暂态过程的基础上,结合最小二乘矩阵束算法提出了融合衰减直流分量与有功分量的零序电流低频暂态综合幅值判据。该判据不仅可在一定程度上降低衰减直流分量对选线保护动作速度的影响,而且能显著扩大故障与非故障线路判据特征量之间的差别,有效提升选线的准确度。大量基于PSCAD/EMTDC的典型故障实例仿真验证了该判据的正确性。

References

[1]  陈维江,蔡国雄,蔡雅萍,等.10 kV 配电网中性点经消弧线圈并联电阻接地方式[J].电网技术,2004,28(24):56-60.Chen Weijiang,Cai Guoxiong,Cai Yaping,et al. Neutral grounding mode in 10kV distribution network via PETERSON coil with parallel resistance[J].Power System Technology,2004,28(24):56-60(in Chinese).
[2]  李斌,束洪春.谐振接地系统单相接地故障瞬时功率分析[J].电网技术,2012,36(7):260-268.Li Bin,Shu Hongchun.Analysis on instantaneous power during single-phase earth fault occurred in resonant grounded system [J].Power System Technology,2012,36(7):260-268(in Chinese).
[3]  梁睿,王洋洋.基于直觉模糊集的单相接地故障综合选线方法[J].电网技术,2011,35(11):228-234.Liang Rui,Wang Yangyang.An intuitionistic fuzzy set based synthetical approach of faulty line selection for single-phase ground fault [J].Power System Technology,2011,35(11):228-234(in Chinese).
[4]  牟龙华,周伟,岳清玉.消弧线圈并串电阻接地式与接地保护原理研究[J].煤炭学报,2009,34(8):1138-1143.Mu Longhua,Zhou Wei,Yue Qingyu.Research on grounding method of arc-suppression coil with parallel or serial resistance and ground-fault protection principle [J].Journal of China Coal Society,2009,34(8):1138-1143(in Chinese).
[5]  薛永端,高旭,苏永智,等.小电流接地故障谐波分析及其对谐波选线的影响[J].电力系统自动化,2011,35(6):60-64.Xue Yongduan,Gao Xu,Su Yongzhi,et al.Analysis of harmonic in non-solidly earthed network and its influences on harmonic-based earth fault protection[J].Automation of Electric Power Systems,2011,35(6):60-64(in Chinese).
[6]  Cho Y S,Lee C K,Jang G,et al.An innovative decaying DC component estimation algorithm for digital relaying[J].IEEE Transactions on Power Delivery,2009,24(1):73-78.
[7]  Lee D G,Kang S H,Nam S R.New modified fourier algorithm to eliminate the effect of the DC offset on phasor estimation using DFT [C]//2008 IEEE/PES Transmission & Distribution Conference & Exposition,part 2.Chicago,IL:IEEE,2008:983-988.
[8]  Eisa A A A,Ramar K.Removal of Decaying DC Offset in Current Signals for Power System Phasor Estimation[C]//43rd International Universities Power Engineering Conference,UPEC 2008.Padova:IEEE,2008:1-4.
[9]  Sarkar T K,Pereira O.Using the matrix pencil method to estimate the parameters of a sum of complex exponentials[J].IEEE Antennas and Propagation Magazine,1995,37(1):48-55.
[10]  Chaari O,Bastrad P,Meunier M.Prony’s method:An efficient tool for the analysis of earth fault currents in Petersen-coil-protected networks[J].IEEE Transactions on Power Delivery,1995,7(10):1234-1241
[11]  张小鸣,费雨胜.一种滤除衰减直流分量的电流估计新算法[J].电力系统保护与控制,2010,38(20):90-95.Zhang Xiaoming,Fei Yusheng.A new current estimation algorithm to filter decaying DC component [J].Power System Protection and Control,2010,38(20):90-95(in Chinese).
[12]  束洪春,刘娟,司大军,等.自适应消弧线圈接地系统故障选线实用新方法[J].电力系统自动化,2005,29(13):64-68.Shu Hongchun,Liu Juan,Si Dajun,et al.New adaptive method for fault line selection in non-solidly grounded system [J].Automation of Electric Power Systems,2005,29(13):64-68(in Chinese).
[13]  索南加乐,王晨清,康小宁,等.基于分布参数频域模型识别的纵联保护原理[J].中国电机工程学报,2013,33(10):145-153.Suonan Jiale,Wang Chenqing,Kang Xiaoning,et al.Transmission line pilot protection based on frequency-domain model identification of distributed parameter [J].Proceedings of the CSEE,2013,33(10):145-153(in Chinese).
[14]  康小宁,刘鑫,索南加乐,等.基于矩阵束算法的经消弧线圈接地系统故障选线新方法[J].电力系统自动化,2012,36(12):88-93.Kang Xiaoning,Liu Xin,Suonan Jiale,et al.New method for fault line selection in non-solidly grounded system based on matrix pencil method [J].Automation of Electric Power Systems,2012,36(12):88-93(in Chinese).
[15]  Ye Y Z,Gardner R M,Liu Y L.Oscillation analysis in western interconnection using distribution-level phasor measurements[C]// Power and Energy Society General Meeting,2011 IEEE.San Diego,CA:IEEE,2011:1-8.
[16]  Hua Y,Sarkar T K.On SVD for Estimating generalized eigenvalues of singular matrix pencil in noise[J].IEEE Transactions on Signal Processing,1991,39(4):892-900.
[17]  Hu F,Sarkar T K,Hua Y.Utilization of bandpass filtering for the matrix pencil method [J].IEEE Transactions on Signal Processing,1993,41(1):442-446.
[18]  Kumaresan M R,Tufts D W.Estimating the parameters of exponentially damped sinusoids and pole-zero modeling in noise [J].IEEE Transactions on Acoustics,Speech and Signal Processing,1982,30(6):833-840.
[19]  Sheshyekani K,Karami H R,Dehkhoda P,et al.Application of the matrix pencil method to rational fitting of frequency-domain responses[J].IEEE Transactions on Power Delivery,2012,27(4):2399-2408.
[20]  Cui Yaozhong,Wei Guanghui,Wang Song,et al.Fast analysis of reverberation chamber using FDTD and improved matrix pencil method[J].IEEE Antennas and Wireless Propagation Letters,2013(12):845-848.
[21]  李宽,李兴源,赵睿.基于改进矩阵束的高压直流次同步振荡检测[J].电网技术,2012,36(4):128-132.Li Kuan,Li Xingyuan,Zhao Rui.Detection of subsynchronous oscillation in HVDC transmission system based on improved matrix pencil method[J].Power System Technology,2012,36(4):128-132(in Chinese).
[22]  颜湘莲,陈维江,贺子鸣,等.10kV配电网单相接地故障电弧自熄特性的试验研究[J].电网技术,2008,32(8):25-28.Yan Xianglian,Chen Weijiang,He Ziming,et al.Experimental research on self-extinction behavior of arc caused by single-phase earth fault in 10kV distribution network [J].Power System Technology,2008,32(8):25-28(in Chinese).
[23]  程路,陈乔夫.小电流接地系统单相接地选线技术综述[J].电网技术,2009,33(18):219-224.Cheng Lu,Chen Qiaofu.A survey on faulty line selection technology for single-phase grounded transmission line in small current neutral grounded system [J].Power System Technology,2009,33(18):219-224(in Chinese).
[24]  梁睿,辛健,王崇林,等.应用改进型有功分量法的小电流接地选线[J].高电压技术,2010,36(2):375-379.Liang Rui,Xin Jian,Wang Chonglin,et al.Fault line selection in small current grounding system by improved active component method[J].High Voltage Engineering,2010,36(2):375-379(in Chinese).

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