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220kV同塔四回输电线路绕击耐雷性能分析

, PP. 130-135

Keywords: 同塔四回,EGM模型,击距公式,绕击跳闸率

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Abstract:

同塔四回输电线路杆塔高、引雷面积大,更易遭受雷击,220kV线路绝缘水平相对较低,雷击线路导致跳闸的概率较大,开展220kV同塔四回输电线路绕击耐雷性能研究具有重要意义。全面考虑导线间的相互屏蔽作用及工作电压的影响和雷电先导入射角的分散性,采用暴露弧投影距离建立了适合同塔多回输电线路绕击耐雷性能计算的电气几何模型(EGM),分析了不同击距公式对结果的影响,并与实际雷击跳闸数据对比,得到了适用于东莞地区绕击跳闸率计算的击距公式。基于此研究了地面倾角,杆塔结构等对同塔多回输电线路绕击耐雷性能的影响。

References

[1]  张志劲,司马文霞,蒋兴良,等. 超/特高压输电线路雷电绕击防护性能研究[J]. 中国电机工程学报,2005,25(10):1-6. ZHANG Zhi-jin,SI MA Wen-xia,JIANG Xing-liang,et al. Study on the lightning protection performance of shielding failure for UHV & EHV transmission lines[J]. Proceedings of the CSEE,2005,25(10):1-6.
[2]  李晓岚,尹小根,余仁山,等. 基于改进电气几何模型的绕击跳闸率的计算[J]. 高电压技术,2006,32(3):42-44. LI Xiao-lan,YIN Xiao-gen,YU Ren-shan,et al. Calculation of shielding failure flashover rate for transmission line based on revised EGM[J]. High Voltage Engineering,2006,32(3):42-44.
[3]  李瑞芳,吴广宁,曹晓斌,等. 考虑雷电入射角后电气几何模型的改进[J]. 电瓷避雷器,2009(4):23-26. LI Rui-fang,WU An-ning,CAO Xiao-bin,et al. Improvement of electro-geometric model with considering lightning strike angle[J]. Insulators and Surge Arresters,2009(4): 23-26.
[4]  余世峰,阮江军,杜志叶. 500 kV同塔4回输电线路绕击的耐雷性能[J]. 高电压技术,2008,34(1):168-171. YU Shi-feng,RUAN Jiang-jun,DU Zhi-ye. Lightning protection performance of 500 kV quadruple-circuit transmission lines on the same tower[J]. High Voltage Engineering,2008,34(1):168-171.
[5]  李长旭,袁忠君,张海龙. 基于EGM的500 kV同杆双回线路绕击跳闸率研究[J]. 电力建设,2008,2(2):15-18. LI Chang-xu,YUAN Zhong-jun,ZHANG Hai-long. Study on EGM-Based 500 kV Double-Circuit lines flashover rate[J]. Electric Power Construction,2008,2(2):15-18.
[6]  樊春雷,吴广宁,李瑞芳,等. 高压输电线路绕击跳闸率的研究[J].电瓷避雷器,2009(2):36-39. FAN Chun-lei,WU An-ning,LI Rui-fang,et al. Study on shielding failure flashover rate for high voltage transmission line[J]. Insulators and Surge Arresters,2009(2):36-39.
[7]  ARMSTRONG H R,WHITEHEAD E R. A lightning stroke Pathfinder[J]. IEEE Transactions on Power Apparatus and System,1964,83(12):1223-1230.
[8]  ARMSTRONG H R,WHITEHEAD E R. Field and analytical studies of transmission line shielding[J]. IEEE Trans.Power App.Syst,1968,87(1):270-281.
[9]  YOUNG F S,CLAYTON J M,HILEMAN A R. Shielding of transmission lines[J]. IEEE Trans.Power Apparatus Syst.,Special Supplement,1963,S82(期缺失): 132-154.
[10]  IEEE working group on estimating lightning performance of transmission lines. Estimating lightning performance of transmission linesⅡ-updates to analytical models[J].IEEE Transactions on Power Delivery,1993, 8(3):1254-1267.
[11]  龚坚刚,童杭伟. 基于雷电定位系统的浙江电网线路雷击跳闸率评估[J]. 华东电力,2007,35(1):73-75. GONG Jian-gang,TONG Hang-wei. Evaluation of lightning trip-out rates for Zhejiang power grid by using lightning location systems[J]. EAST CHINA ELECTRIC POWER,2007,35(1):73-75.
[12]  赵斌财,周浩,钟一俊,等. 输电线路雷电绕击研究方法浅议[J].电瓷避雷器,2008(1):29-34,39. ZHAO Bin-cai,ZHOU Hao,ZHONG Yi-jun,et al. Approaching to rotated lightning strike on transmission line[J]. Insulators and Surge Arresters,2008(1):29-34,39.
[13]  李晓岚,尹小根,何俊佳. 击距系数的实验研究与理论分析[J]. 高电压技术,2008,34(1):41-44. LI Xiao-lan,YIN Xiao-gen,HE Jun-jia. Experimental research and theoretical analysis on striking distance factor[J]. High Voltage Engineering,2008,34(1):41-44.
[14]  袁海燕,傅正财,魏本刚,等. 综合考虑风偏、地形和工作电压的特高压交流线路雷电绕击性能[J]. 电工技术学报,2009,24(5):148-153. YUAN Hai-yan,FU Zheng-cai,WEI Ben-gang,et al. Lightning shielding failure analysis of UHVAC transmission lines based on improved EGM[J]. Transactions of China Electrotechnical Society,2009,24(5): 148-153.
[15]  马御棠,吴广宁,张星海,等. 地形对输电线路最大绕击雷电流的影响[J]. 电瓷避雷器,2010(1):29-32. MA Yu-tang,WU An-ning,ZHANG Xing-hai,et al. Influence of topography on max shielding failure lighting current of transmission lines[J]. Insulators and Surge Arresters,2010(1):29-32.

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