A study on floating overhead power transmission system for offshore energy development: Design and modeling approach

研究成果: Contribution to journalArticle査読

抄録

In this paper, a floating overhead power transmission system (FOPTS), which has the potentiality to lower the electricity transmission cost for offshore renewable energy, is studied. In the design, a sheave mechanism is applied to mount one end of conductor on its supportive tower to reduce the coupling effects between the conductor and the towers. Then, a mathematical optimization approach, which can take account of the system's natural frequencies to avoid first-order wave excitation, is proposed to design the properties of the floating foundation and the conductor. In the modeling, the flexibility of the conductor is taken into account by a lumped parameter method. The aero-hydro-elastic dynamics of the system can be analyzed by the numerical model. A moderate FOPTS in a harsh ocean environment with wind speed of 70 m/s and significant wave height of 14 m is studied with emphasis on wind–wave misalignment. The reliability and issues of the system are discussed based on fully coupled time-domain simulation.

本文言語英語
論文番号109528
ジャーナルOcean Engineering
236
DOI
出版ステータス出版済み - 9 15 2021

All Science Journal Classification (ASJC) codes

  • 環境工学
  • 海洋工学

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