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Parameter optimization research and co-simulation application on PTO system in WEC
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Guang-hua HE1, 2, 3, Kai-bo YANG1, Zheng-xiao LUAN3, Zhi-gang ZHANG1, Chao-gang LIU3, Peng-lin JING3
Journal of Ship Mechanics | 2024, 28(2) : 229 - 238
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Journal of Ship Mechanics | 2024, 28(2): 229-238
• Hydrodynamics •
Parameter optimization research and co-simulation application on PTO system in WEC
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Guang-hua HE1, 2, 3, Kai-bo YANG1, Zheng-xiao LUAN3, Zhi-gang ZHANG1, Chao-gang LIU3, Peng-lin JING3
Affiliations
  • 1.School of Ocean Engineering, Harbin Institute of Technology, Weihai 264209, China
  • 2.Shandong Institute of Shipbuilding Technology, Weihai 264209, China
  • 3.School of Mechatronics Engineering, Harbin Institute of Technology, Harbin 150001, China
Published: 2024-02-20 doi: 10.3969/j.issn.1007-7294.2024.02.006
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PTO (power take-off) system is an important part of wave energy converters (WECs). In this paper, a mechanical PTO system was proposed for a WEC with a float arm. Co-simulation study of the hydrodynamic performance of float-arm buoy and PTO system under the influence of generator load and mechanical transmission was carried out.The motion responses of the buoy under different stroke modes were analyzed, the parameters of the PTO system of the co-simulation model were also optimized.The results show that the power of the WEC with double strokes is significantly higher than that of the WEC with a single stroke, and that the transmission ratio corresponding to the optimal power of the WEC with double strokes is about 72.5. For the buoy working with a single stroke, the ascending stroke power is nearly equal to the descending stroke power under a low transmission ratio (less than 60). With the increase of transmission ratio, both the power of the ascending stroke and the power of descending stroke increase compared with that of dual-stroke mode, while the descending stroke power is larger than the ascending stroke power. The co-simulation method may provide a reference for the design and optimization of various point absorber WECs under different sea conditions.

WEC  /  parameter optimization  /  hydro performance  /  co-simulation  /  AMESim
Guang-hua HE, Kai-bo YANG, Zheng-xiao LUAN, Zhi-gang ZHANG, Chao-gang LIU, Peng-lin JING. Parameter optimization research and co-simulation application on PTO system in WEC[J]. Journal of Ship Mechanics, 2024 , 28 (2) : 229 -238 . DOI: 10.3969/j.issn.1007-7294.2024.02.006
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Year 2024 volume 28 Issue 2
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doi: 10.3969/j.issn.1007-7294.2024.02.006
  • Receive Date：2023-08-21
  • Online Date：2026-03-21
  • Published：2024-02-20
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  • Received：2023-08-21
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Affiliations
    1.School of Ocean Engineering, Harbin Institute of Technology, Weihai 264209, China
    2.Shandong Institute of Shipbuilding Technology, Weihai 264209, China
    3.School of Mechatronics Engineering, Harbin Institute of Technology, Harbin 150001, China
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光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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