A Geometric Nonlinear Analysis of Transmission Lines' Sleet-jump

AIJ
  • SHIMIZU Mikio
    Structural Analysis Group, Structure Department, Central Research Institute of Electric Power Industry
  • ISHIKAWA Tomomi
    Structural Analysis Group, Structure Department, Central Research Institute of Electric Power Industry
  • TAKAHASHI Takeshi
    Functional Materials Group, Electrical Engineering Department, Central Research Institute of Electric Power Industry
  • IZUMI Kunikazu
    Functional Materials Group, Electrical Engineering Department, Central Research Institute of Electric Power Industry
  • SATO Jyun-ichi
    Numerical Analysis Department, Ark Information System Inc.
  • YOKOYAMA Kazuo
    System Engineering Research & Development Department, Power Transmission & Distribution Division, Fujikura Ltd.

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Other Title
  • 幾何学的非線形性を考慮した送電線のスリートジャンプの解析

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Finite element analyses and full scale dynamic tests were conducted on sleet-jump phenomenon of three-phase single-circuit transmission lines which are newly developed for compact towers and have polymer line-to-line spacers. Numerical simulation was performed by taking account of geometrical nonlinearities of the lines. In the tests, the sleet-jump was initiated by free drop of weights which were hung from the lines. Computed results are in a good agreement with the test results, and validity of the numerical method is confirmed.

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