杨勇;陆家榆;雷银照;

• 1:中国电力科学研究院
• 2:北京航空航天大学自动化科学与电气工程学院

摘要(Abstract)：

我国部分地区输电走廊非常紧张,为了提高单位走廊的电能输送能力,可以采用更有效率的输电线路方式,同走廊双回直流线路是一种备选方案,然而双回直流线路同走廊架设在世界上尚无工程应用先例。文中给出了一种同走廊双回直流线路地面合成电场的计算方法,考虑了影响此种线路地面合成电场的多种重要因素,并使用该方法分析了同走廊双回直流线路地面合成电场的分布特点。结果表明:不同的极导线布置方案不会显著影响地面最大合成电场的大小,但会影响其分布位置;同走廊双回直流线路地面最大合成电场的绝对值与单回直流线路的差别不大;同走廊双回直流线路能在一定程度上提高单位走廊的电能输送能力。

关键词(KeyWords)： 高压直流线路;同走廊;合成电场;布置方案

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 杨勇;陆家榆;雷银照;

Email:

DOI:

参考文献(References)：

• [1]石岩,王庆,聂定珍,等.±500kV直流输电工程同杆并架技术的综合研究[J].电网技术,2006,30(21):1-6.Shi Yan,Wang Qing,Nie Dingzhen,et al.Comprehensive study on technology of two bipolar lines on the same tower for±500kV HVDC project[J].Power System Technology,2006,30(21):1-6(in Chinese).
• [2]DL/T436—2005,高压直流架空送电线路技术导则[S].
• [3]Sarma M P,Janishewskyj W.Analysis of corona losses on DC transmission lines,part i-unipolar lines[J].IEEE Transactions on Power Apparatus and Systems,1969,88(5):718-731.
• [4]Sarma M P,Janishewskyj W.Analysis of corona losses on DC transmission lines,part ii-bipolar lines[J].IEEE Transactions on Power Apparatus and Systems,1969,88(10):1476-1489.
• [5]IREQ.Bipolar HVDC transmission system study between±600kV and±1200kV:corona studies,phase i[R].USA:EPRI EL-1170,1979.
• [6]The Ohio State University.Model study of HVDC electric field effects[R].USA:EPRI EL-1817,1981.
• [7]Takuma T,Ikeda T,kawamoto T.Calculation of ion flow fields of HVDC transmission lines by the finite element method[J].IEEE Transactions on Power Apparatus and Systems,1981,100(12):4802-4810.
• [8]General Electric Company.HVDC transmission line research[R].USA:EPRI EL-2419,1982.
• [9]IREQ.Bipolar HVDC transmission system study between±600kV and±1200kV:corona studies,phase ii[R].USA:EPRI EL-2794,1982.
• [10]Abdel-Sattar S.Corona current and field profile underneath vertical bipolar HVDC lines with bundle conductors[J].IEEE Transactions on Electrical Insulation,1986,21(2):197-204.
• [11]傅宾兰.高压直流输电线路地面合成电场与离子流密度的计算[J].中国电机工程学报,1987,7(5):56-63.Fu Binlan.Calculation of the ground total electric field strength and ion current density under HVDC overhead transmission lines[J].Proceedings of the CSEE,1987,7(5):56-63(in Chinese).
• [12]Qin Bailin,Sheng Jianni,Gela G.Accurate calculation of ion flow field under HVDC bipolar transmission lines[J].IEEE Transactions on Power Delivery,1988,3(1):368-376.
• [13]秦柏林,盛剑霓,严璋.高压直流输变电系统下的三维离子流场计算[J].中国电机工程学报,1989,9(2):27-33.Qin Bailin,Sheng Jianni,Yan Zhang.3-Dimensional analysis of ion flow field under HVDC transmission systems[J].Proceedings of the CSEE,1989,9(2):27-33(in Chinese).
• [14]方正瑚,顾翔宇.直流离子流场的求解问题[J].中国电机工程学报,1990,10(增刊):73-78.Fang Zhenghu,Gu Xiangyu.Solving problems of HVDC current field[J].Proceedings of the CSEE,1990,10(S):73-78(in Chinese).
• [15]王雪顽.加权余量法用于直流离子流场的数值计算和分析[J].电工电能新技术,1992,(3):18-25.Wang Xuewan.Numerical calculation and analysis of DC ion flow field using the method of weighted residuals[J].Advanced Technology of Electrical Engineering and Energy,1992,(3):18-25(in Chinese).
• [16]周浩,孙志峰,李升华.多重网格法HVDC线路离子流场数值计算中的应用[J].高电压技术,1993,19(1):9-12.Zhou Hao,Sun Zhifeng,Li Shenghua.Multigrid method applied to calculation of ion flow field under HVDC transmission line[J].High Voltage Engineering,1993,19(1):9-12(in Chinese).
• [17]Tomotaka S,Yoshitaka S.Calculation of large ion densities under HVDC transmission lines by the finite difference method[J].IEEE Transactions on Power Delivery,1995,10(4):1896-1905.
• [18]杨勇,陆家榆,雷银照.极导线垂直排列直流线路地面合成电场的一种计算方法[J].中国电机工程学报,2007,27(21):13-18.Yang Yong,Lu Jiayu,Lei Yinzhao.A calculation method for the total electric field strength at the ground level under vertical bipolar HVDC transmission lines[J].Proceedings of the CSEE,2007,27(21):13-18(in Chinese).
• [19]杨勇,陆家榆,雷银照.同塔双回高压直流线路地面合成电场的一种计算方法[J].中国电机工程学报,2008,28(6):32-36.Yang Yong,Lu Jiayu,Lei Yinzhao.Calculation of the total electric field at ground level for double-circuit HVDC overhead transmission lines[J].Proceedings of the CSEE,2008,28(6):32-36(in Chinese).
• [20]DL/T5092—1999,110~500kV架空输电线路设计技术规程[S].