An Integral Algorithm to Evaluate the Electric Fields Associated with HVDC Power Transmission Lines
In this paper, numerical evaluation of ionized field quantities associated with HVDC corona is carried out using charge simulation technique and integral algorithm. And considering the surface charge of each rectangle patches and simulation charge inside the HVDC conductors as unknown variables, a set of quadratic equations are developed on the base of the potential at the boundary, the corona onset field values at the coronating conductor, and continuity of current on each patch. By Using the NGB (Globally convergent inexact Newton method) method the quadratic equations is solved, and the electric field intensity, distribution of space charges and ion current density can be obtained. Different cases of the single conductor above ground are considered, and the computed results show good agreement with available experimental data. Finally, the method is successfully applied to calculating the electric field and the ion current density of a realistic HVDC transmission line.
Zhengxie Feng Jincheng Li Junhong Wang Hongmei Cui
Jiyuan Electric Power Company,State Grid Electric Power of Henan, China
国际会议
第九届国际天线、电波传播及电磁理论学术研讨会(ISAPE2010)
广州
英文
1-4
2010-11-29（万方平台首次上网日期，不代表论文的发表时间）