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<p>Extension of offshore wind power development into the deep sea has made the lowering of mooring system costs a key technical priority. An effective approach is to reduce the number of anchors through the use of shared mooring systems; however, this complicates the maintenance of platform stability. This study investigates a shared mooring configuration based on a WINDMOOR 12 MW semisubmersible floating wind turbine. Using numerical simulations, the effects of environmental conditions and mooring parameters on platform motion and mooring line tension are analyzed. Results indicated that increasing the number of mooring lines effectively suppressed platform motion and reduced the load on individual lines. Although the mooring line angle has a limited impact on motion response, larger angles promote more uniform tension distribution. In the case of mooring line failure, collinear anchor configurations significantly improved the horizontal station-keeping performance. These findings confirmed the technical feasibility of shared mooring systems and provided theoretical support for the design and optimization of cost-effective mooring systems for deep-sea floating wind turbines.</p>

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Dynamic Response Analysis of a 12 MW Semisubmersible Wind Turbine with a Shared Multiline Mooring System

  • 期刊论文

  • 发表日期：

    2026年6月3日

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  • Puyang Zhang,
  • Linyang Zhang,
  • Qingyuan Sun,
  • Conghuan Le,
  • Hongyan Ding

摘要

Extension of offshore wind power development into the deep sea has made the lowering of mooring system costs a key technical priority. An effective approach is to reduce the number of anchors through the use of shared mooring systems; however, this complicates the maintenance of platform stability. This study investigates a shared mooring configuration based on a WINDMOOR 12 MW semisubmersible floating wind turbine. Using numerical simulations, the effects of environmental conditions and mooring parameters on platform motion and mooring line tension are analyzed. Results indicated that increasing the number of mooring lines effectively suppressed platform motion and reduced the load on individual lines. Although the mooring line angle has a limited impact on motion response, larger angles promote more uniform tension distribution. In the case of mooring line failure, collinear anchor configurations significantly improved the horizontal station-keeping performance. These findings confirmed the technical feasibility of shared mooring systems and provided theoretical support for the design and optimization of cost-effective mooring systems for deep-sea floating wind turbines.