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Research on the Influence Law of Soil Layered Structure on HVDC Interference Suffered by Buried Pipeline
编号：621 访问权限：仅限参会人 更新：2022-09-12 19:57:45 浏览：118次 张贴报告

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摘要
With the large-scale construction of HVDC transmission systems, the problems caused by HVDC interference have become increasingly prominent. Existing cases have shown that the changes in soil resistivity and layered structure in different regions will have great impact on the current quantity discharging from the grounding electrode and interference amplitude during the unipolar situation of HVDC transmission system. In this paper, a calculation model of high-voltage direct current interference electric field is built based on the parameter information of pipelines and grounding electrodes in actual projects. The influence of soil resistivity, layered soil structure, and local soil structure changes on the interference parameters of buried pipeline interfered by HVDC was investigated and obtained. The results show that the layered structure with low resistivity on upper layer /high resistivity on lower layer will generate higher interference on the pipeline compared to the uniform or high resistivity on upper layer /low resistivity on lower layer . At the same time, the change of local resistivity will only affect the change of local interference potential and current density.
 
关键词
Soil layered structure，HVDC interference，Buried pipeline，Law research
报告人
Shangmao Hu
electric power research institute,CSG, China, People's Republic of

稿件作者
Shangmao Hu electric power research institute,CSG, China, People's Republic of
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
Gang Liu Maintenance and Test Center of EHV Power Transmission Company, China southern Power Grid, Guangdong Guangzhou China 510663
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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