Journal of the Society of Naval Architects of Korea (대한조선학회논문집)

The Society of Naval Architects of Korea (대한조선학회)
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Design of Mooring Lines of a Floating Offshore Wind Turbine in South Offshore Area of Jeju

제주 해양환경에 적합한 부유식 해상풍력발전기 계류선 설계

  • Choung, Joonmo (Department of Naval Architecture and Ocean Engineering, Inha University) ;
  • Kim, Hyungjun (Department of Naval Architecture and Ocean Engineering, Inha University) ;
  • Jeon, Gi-Young (Department of Creative Technology Research Team)
  • 정준모 (인하대학교 조선해양공학과) ;
  • 김형준 (인하대학교 조선해양공학과) ;
  • 전기영 (한국선급 창조기술연구팀)
  • Received : 2014.01.02
  • Accepted : 2014.05.15
  • Published : 2014.08.20
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Abstract

This paper presents a mooring design procedure of a floating offshore wind turbine. The environment data of south offshore area of Jeju collected from Korea Hydrographic and Oceanographic Administration(KHOA) are used for hydrodynamic analyses as environmental conditions. We considered a semi-submersible type floating wind turbine based on Offshore Code Comparison Collaborative Continuation(OC4) DeepCWind platform and National Renewable Energy Laboratory(NREL) 5 MW class wind turbine. Catenary mooring with studless chain is chosen as the mooring system. Important design decisions such as how large the nomial sizes are, how long the mooring lines are, how far the anchor points are located, are demonstrated in detail. Considering ultimate limit state and fatigue limit state based on 100-year return period and 50-year design life, respectively, longterm predictions of breaking strength and fatigue are proposed.

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