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Validation of a 750 kW semi-submersible floating offshore wind turbine numerical model with model test data, part I: Model-I

  • Pham, Thanh Dam (School of Naval Architecture and Ocean Engineering, University of Ulsan) ;
  • Shin, Hyunkyoung (School of Naval Architecture and Ocean Engineering, University of Ulsan)
  • Received : 2018.12.24
  • Accepted : 2019.04.29
  • Published : 2019.02.18

Abstract

This paper describes a model test and numerical simulation of a 750-kW-semi-submersible platform wind turbine under several wind and wave conditions for validation of the numerical simulation model. The semi-submersible platform was designed to support the 750-kW-wind turbine class and operate at a water depth of 50 m. The model tests were performed to estimate the performance characteristics of the wind turbine system in the wide tank of the University of Ulsan. Motions and loads of the wind turbine system under the wind and wave conditions were measured and analyzed. The NREL-FAST code was used to simulate the wind turbine system, and the results were compared with those of the test model. The results demonstrate that the numerical simulation captures noticeably the fully coupled floating wind turbine dynamic responses. Also, the model shows a good stability and small responses during waves, wind, and operation of the 750-kW-floating offshore wind turbine.

Acknowledgement

Supported by : Korea Institute of Energy Technology Evaluation and Planning (KETEP), Korea Electric Power Corporation

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