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An investigation on Grouding System of AC Single-core Submarine Cable Baesd on Multi-conductor Analysis Theory
编号：516 访问权限：仅限参会人 更新：2022-05-21 18:54:47 浏览：165次 张贴报告

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摘要
Submarine cables are now widely used in offshore wind power interconnection. Due to the electromagnetic coupling effect and the large power transmission distance, the submarine cable has the extremely high risk of excessively large accumulation of the induced voltage on the sheath, and the sheath grounding of the submarine cable will also cause sheath loss, leading to a decreasing in the power transmission capacity. Therefore, investigating the induced voltage and loss of submarine cables is of great significance to practical engineering. In this paper, an optimized calculation model of sheath induced voltage and current loss is established. The non-decoupling form of the matrix is introduced to simplify the nodal admittance matrix. The influence of cable characteristics on the induced voltage and loss of the sheath is investigated and the cable loss reduction methods are analyzed and summarized. The results show that the laying mode has little effect on the induced voltage loss of the sheath. When the connection resistance is 0.5Ω, the induced voltage requirement is met, and the total loss is the lowest. When the conductivity of the armor layer is 108 S/m, the total loss of the submarine cable is the lowest.
 
关键词
Submarine cable;Multi-conductor theory;Grounding system
报告人
HuangXiaofan
Zhejiang University

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重要日期

  • 会议日期

    05月27日

    2022

    至

    05月29日

    2022

  • 02月28日 2022

    初稿截稿日期

  • 05月29日 2022

    注册截止日期

  • 06月22日 2022

    报告提交截止日期

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IEEE Beijing Section
China Electrotechnical Society
Southeast University
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IEEE Industry Applications Society
IEEE Nanjing Section
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