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PIER PIER B PIER C PIER M PIER Letters PIER Photonics
2018-10-14
The Ionized Field Calculation Under Different Haze Weather Levels Based on Improved Upstream Meshless Method
By
Bing Gao,

    Dr. Bing Gao

    State Key Laboratory of Power Transmission Equipment & System Security and New Technology, School of Electrical Engineering

    Chongqing University

    China

    Homepage

Fan Yang,

    Dr. Fan Yang

    School of Electrical

    Chongqing University

    China

    Homepage

Haizhou Qian,

    Dr. Haizhou Qian

    State Grid Zhejiang Electric Power Corporation Research Institute

    China

    Homepage

Min Liu,

    Dr. Min Liu

    State Grid Zhejiang Electric Power Corporation Research Institute

    China

    Homepage

Chunli Li,

    Dr. Chunli Li

    College of Electronic & Information Engineering

    Chongqing Three Gorges University

    China

    Homepage

Chao Liu

    Dr. Chao Liu

    School of Electrical Engineering

    Chongqing University

    China

    Homepage

Progress In Electromagnetics Research M, Vol. 74, 147-157, 2018
doi:10.2528/PIERM18031205 | Google Scholar

Abstract
The haze-prone areas are usually places with limited transmission line corridors and large power loads. The performance of transmission lines is under threat of haze. The haze particulates around the transmission lines would be charged and affect the electric field near high voltage direct current (HVDC) transmission lines. Accoring to the influence mechanism of haze on ionized field, the electric perfromance of HVDC transmission lines under haze weather is dicussed. In the paper, an improved meshless local Petrov-Galerkin method (MLPG) is proposed to investigate the distribution of ionized electric field, and example of an actual transmission line is studied to verify the validation of the proposed method at first. It is proved that the proposed method agrees well with the measurements. Then the ionized field distribution under different haze weather levels is discussed, as well as the influenced factor. Results indicate that the ionized electric field and ion current density on the ground would increase under haze weather, but with the similar trends to good weather condition. Meanwhile, the haze weather levels have greater influence on the ionized electric field than ion current density, where the increase of corona and space charge are the main reasons.
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Citation
Bing Gao, Fan Yang, Haizhou Qian, Min Liu, Chunli Li, and Chao Liu, "The Ionized Field Calculation Under Different Haze Weather Levels Based on Improved Upstream Meshless Method," Progress In Electromagnetics Research M, Vol. 74, 147-157, 2018.
doi:10.2528/PIERM18031205
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