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FEM for 3D Total Electric Field Calculation Near HVDC Lines |
Zhen Yongzan1, Cui Xiang1, Luo Zhaonan1, Lu Tiebing1, Lu Jiayu2, Yang Yong2, Liu Yuanqing2, Han Hui2, Ju Yong2 |
1. North China Electric Power University Beijing 102206 China 2. Electric Power Research Institute Beijing 100085 China |
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Abstract In order to analyze total electric field with people or buildings below high voltage direct current (HVDC) lines in detail, three-dimensional ionized field calculation is urgently needed. Three-dimensional upstream finite element method, which could be applied for two poles 3D ionized field calculation, is proposed in this paper. Firstly, the method is used to calculate ion flow field of coaxial cylinder and concentric sphere model, and the numerical results agree very well with the analytical solutions. Then, it is applied to calculate the total electric field with building below HVDC lines, and its validity is proved by the simulation experiment results. At the same time, the method shows good convergence in the calculation procedure. It can be used to solve similar problems in other domain.
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Received: 11 May 2010
Published: 07 March 2014
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