The Research on Location Method of Partial Discharge in High Voltage Switchgear based on TEV Sensors and TOA Algorithm
Mai Qianjian1, Zhong Yue1, Tang Ming2, Li Hongjie2
1. Wuzhou Power Bureau of Guangxi Electric Power Company, Wuzhou, Guangxi 543002; 2. School of Electrical Engineering, Xi’an Jiaotong University, Xi’an 710049
Abstract：This paper presents a partial discharge (PD) pulse extraction and starting point identification method by time of arrival (TOA) method using threshold method, energy method, AIC method, and Gabor method, which aims to achieve the automatic location of PD sources. PDs location based on the above mentioned algorithm firstly carried out in the laboratory. Then, to verify the algorithm, the authors conducted the PDs source location of switchgear which existed some suspected discharges by routine inspection on-site in a substation of Wuzhou Power Bureau. The localization results showed that the upper cabinet of the switchboard existed partial discharge and the disassembling results of the switchboard verified the inspection and location results.
麦茜坚, 钟悦, 唐明, 李洪杰. 基于TEV传感器与TOA算法的高压开关柜局部放电定位方法的研究[J]. 电气技术, 2015, 16(06): 1-6.
Mai Qianjian, Zhong Yue, Tang Ming, Li Hongjie. The Research on Location Method of Partial Discharge in High Voltage Switchgear based on TEV Sensors and TOA Algorithm. Electrical Engineering, 2015, 16(06): 1-6.
[1] Davies N, Jones D. Testing distribution switchgear for partial discharge in the laboratory and the field[C] //Electrical Insulation, 2008. ISEI 2008. Conference Record of the 2008 IEEE International Symposium on, 2008: 716-719. [2] Cliff Walton, Sarah Carter, Matthieu Michel, Carl Eastham. Avoidance of MV switchgear failure case studies of on-line condition monitoring[C]//in Electricity Distribution-Part 1, 2009. CIRED 2009. 20th International Conference and Exhibition on. 2009. [3] 任明, 彭华东, 陈晓清, 等. 采用暂态对地电压法综合检测开关柜局部放电[J]. 高电压技术, 2010, 36(10): 2460-2466. [4] 王有元, 李寅伟, 陆国俊, 等. 开关柜局部放电暂态对地电压传播特性的仿真分析[J]. 高电压技术, 2011, 37(7): 1683-1688. [5] 姚陈果, 黄琮鉴, 吴彬, 等. 采用时域有限差分法分析开关柜中超高频信号传播特性[J]. 高电压技术, 2013, 39(2): 272-279. [6] Ren Ming, Dong Ming, Ren Zhong, et al. Transient earth voltage measurement in PD detection of artificial defect models in SF6[J]. IEEE Transactions on Plasma Science, 2012, 40(8): 2002-2008. [7] Markalous S, Tenbohlen S, Feser K. Detection and location of partial discharges in power transformers using acoustic and electromagnetic signals[J]. Dielectrics and Electrical Insulation, IEEE Transactions on, 2008, 15(6): 1576-1583. [8] 刘尹, 周青, 龚之光. 开关柜局放在线检测应用探讨[J]. 华东电力, 2012(6): 1088-1090. [9] Tenbohlen S, Denissov D, Hoek SM, et al. Partial discharge measurement in the ultra high frequency (UHF) range[J]. IEEE Transactions on Dielectrics and Electrical Insulation, 2008, 15(6): 1544-1552. [10] Tang Ming, Sun Jianyang, Guo Jianzhao, Li Hongjie, Zhang Wei, and Liang Deliang, Time Domain Modeling and Simulation of Partial Discharges on MV Cables by Vector Fitting Method[J]. IEEE Trans. Magn., 2014, 50(2) [11] Ming Tang, Li Hongjie, Xiang Liu, et al. A novel technique for on-line location of Partial Discharges on medium voltage cables[C]//Ninth International Conference on in Ecological Vehicles and Renewable Energies, 2014: 1-6. [12] Huang Kunbiao, Nan Ma, Pi Haoshu, et al. A technique to identify the types of partial discharges[C]//Power and Energy Engineering Conference (APPEEC), 2012 Asia-Pacific, 2012: 1-6.
2015, Vol. 16 
