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Nonlinear dynamics of wind power transmission system with blades

Author

Listed:
  • Mo, Shuai
  • Liu, Yiheng
  • Zhang, Yingxin
  • Zhou, Yuansheng
  • Huang, Yurong
  • Houjoh, Haruo
  • Zhang, Wei

Abstract

In order to explore the nonlinear vibration mechanism of wind power transmission system with blades, a nonlinear dynamic model of wind power transmission system with blades is established by considering the influence factors such as wind shear, tower shadow effect, ring gear flexibility, time-varying meshing stiffness, and tooth surface friction. Considering the nonlinear vibration characteristics of wind power transmission system under the influence of wind speed excitation and meshing damping, the vibration characteristics of the system are characterized by time domain diagram, frequency spectrum diagram, bifurcation diagram, and Lyapunov exponent diagram. The research shows that the wind power transmission system with blades has rich nonlinear behavior, and the wind speed excitation and meshing damping have significant influence on the vibration characteristics of the system. Within a certain range, an appropriate increase in gear meshing damping is helpful to reduce the vibration amplitude of the system and improve the stability of the system.

Suggested Citation

  • Mo, Shuai & Liu, Yiheng & Zhang, Yingxin & Zhou, Yuansheng & Huang, Yurong & Houjoh, Haruo & Zhang, Wei, 2025. "Nonlinear dynamics of wind power transmission system with blades," Renewable Energy, Elsevier, vol. 249(C).
    • Handle: RePEc:eee:renene:v:249:y:2025:i:c:s0960148125007001
    DOI: 10.1016/j.renene.2025.123038
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