±800kV直流输电线路分裂导线表面电场强度计算  

Calculation of Surface Electric Field along ±800kV DC Transmission Lines with Bundled Conductors

作　　者：甘运良 卢铁兵[2] 

机构地区：[1]南方电网超高压输电公司,广州510623 [2]华北电力大学,河北保定071003

出　　处：《南方电网技术》2009年第6期44-46,共3页Southern Power System Technology

摘　　要：比较了马克特-门格尔法、模拟电荷法和逐步镜像法等3种计算导线表面场强方法的计算误差,应用模拟电荷法计算了±800kV直流输电线路分裂导线表面电场强度。结果显示,特高压直流输电线路分裂导线表面电场强度受分裂数、导线截面、分裂间距、极间距的影响较明显,受导线高度的影响较小。Comparing the caculation errors among 3 caculation methods for the surface electie filed, this paper applies charge simulation method to caculate the surface electric field along ±800 kV DC transmission lines with bundled conductors. The results show that the surface electric field along UHVDC transmission lines is obviously impacted by the number of the bundles, the conductor cross-section, the bundle spacing and the polar distance, but less by the conductor height.

关 键 词：特高压直流输电 分裂导线 表面电场强度 模拟电荷法 

分 类 号：TM751[电气工程—电力系统及自动化]