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In recent years, a number of semi-submersible floating offshore wind turbine systems have been deployed in transitional water regions with depths ranging from 40 to 150 m. However, these designs are large and expensive. They were constructed with steel or steel reinforced concrete, susceptible to steel corrosion. This study proposes a submerged TLP for offshore wind turbines in transitional water regions. The dynamic responses of the wind turbine during the operation are investigated, with emphasis on the effect of wave height. Based on fully coupled time domain simulations, it is found that the standard deviations of the pitch are dependent on the wave height, while those of the surge and yaw motions are largely controlled by wind loads. In addition, the heave motion is mainly caused by the sinking effect of surge.

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Dynamic Analysis of a Concrete TLP for Offshore Wind Turbine in Different Wave Conditions

  • 会议论文

  • 发表日期：

    2025年

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  • Zuntao Feng,
  • Jian-Fei Chen

摘要

In recent years, a number of semi-submersible floating offshore wind turbine systems have been deployed in transitional water regions with depths ranging from 40 to 150 m. However, these designs are large and expensive. They were constructed with steel or steel reinforced concrete, susceptible to steel corrosion. This study proposes a submerged TLP for offshore wind turbines in transitional water regions. The dynamic responses of the wind turbine during the operation are investigated, with emphasis on the effect of wave height. Based on fully coupled time domain simulations, it is found that the standard deviations of the pitch are dependent on the wave height, while those of the surge and yaw motions are largely controlled by wind loads. In addition, the heave motion is mainly caused by the sinking effect of surge.