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Analyzing the Influence of HVDC Grounding Electrode and Pipeline Parameters on HVDC Interference
编号：622 访问权限：仅限参会人 更新：2022-09-12 19:33:01 浏览：353次 张贴报告

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摘要
With the large-scale construction of HVDC transmission systems, many buried pipelines suffered from HVDC interference in recent years. Existing cases have shown that the changes in the parameters of HVDC grounding electrode and pipeline have great impact on the magnitude of HVDC interference. In this paper, a calculation model of high-voltage direct current interference electric field is constructed based on the parameter information of pipelines and grounding electrodes in actual projects. The influence of the direction and quantity of discharging current from the grounding electrode, the distance between the grounding electrode and the pipeline, and the length of the pipeline on the interference parameters of buried pipelines suffered from HVDC interference were investigated and obtained. The results show that with the increase of the grounding current of the grounding electrode, the positive and negative amplitudes of the pipeline interference potential increase, and the offset value of the pipe grounding potential is positively correlated with the grounding current of the grounding electrode; with the distance between the ground electrode and the center of the pipeline decreasing, the positive and negative amplitudes of the pipeline interference voltage increase, and the length of the pipeline interfered increases; with the length of the pipeline increases, the positive and negative amplitudes of the pipeline interference potential increase, and the length of the pipeline interfered range of influence increases.
 
关键词
HVDC grounding electrode，pipeline parameters, HVDC Interference, law analysis
报告人
Shangmao Hu
electric power research institute,CSG, China, People's Republic of

稿件作者
Gang Liu Maintenance and Test Center of EHV Power Transmission Company, China southern Power Grid, Guangdong Guangzhou China 510663
Qingsong Liu Maintenance and Test Center of EHV Power Transmission Company, China southern Power Grid, Guangdong Guangzhou China 510663
shaojie Gu electric power research institute,CSG, China, People's Republic of
Shangmao Hu electric power research institute,CSG, China, People's Republic of
Wei Chen Maintenance and Test Center of EHV Power Transmission Company, China southern Power Grid, Guangdong Guangzhou China 510663
Hansheng Cai Maintenance and Test Center of EHV Power Transmission Company, China southern Power Grid, Guangdong Guangzhou China 510663
Jun Deng Maintenance and Test Center of EHV Power Transmission Company, China southern Power Grid, Guangdong Guangzhou China 510663
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重要日期

  • 会议日期

    09月25日

    2022

    至

    09月29日

    2022

  • 08月15日 2022

    提前注册日期

  • 09月10日 2022

    报告提交截止日期

  • 11月10日 2022

    注册截止日期

  • 11月30日 2022

    初稿截稿日期

  • 11月30日 2022

    终稿截稿日期

主办单位
IEEE DEIS
承办单位
Chongqing University
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