Calculation of Ion Flow Field Around Metal Building in the Vicinity of Bipolar HVDC Transmission Lines by Method of Characteristics

被引：8

作者：

Xiao, Fengnyu ^{[1
]}

Zhang, Bo ^{[1
]}

Liu, Zhuoran ^{[1
]}

机构：

[1] Tsinghua Univ, State Key Lab Power Syst, Dept Elect Engn, Beijing 100084, Peoples R China

来源：

IEEE TRANSACTIONS ON POWER DELIVERY | 2020年 / 35卷 / 02期

关键词：

Buildings; Electric fields; Metals; Space charge; Ions; Power transmission lines; HVDC transmission; Ion flow field; 3-D method of characteristics; metal building; HVDC transmission lines; ELECTRIC-FIELD;

D O I：

10.1109/TPWRD.2019.2920535

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this paper, a 3-dimensional method of characteristics is used to calculate the ion flow field around a metal building in the vicinity of bipolar HVDC transmission lines. The surface charges are introduced to make sure that the surface of the metal building is equipotential. An improved iterative method is proposed to solve the ion flow field. A reduced-scale test under laboratory conditions is carried out to verify the calculation results. Comparison of the results with those by Deutsch Assumption shows that although the two groups of results on the ground are in good agreement, the electric fields in space are different because the method of characteristics considers the effect of space charges on the direction of the electric field. The ion flow field around a metal building in the vicinity of a 800 kV transmission line was calculated with the method and discussed.

引用

页码：684 / 690

页数：7

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