Design and kinetic analysis of wind turbine blade-hub-tower coupled system

Highlights

A typical 1.5 MW wind turbine suitable for Xuzhou City is designed.

The whole blade-hub-tower system is first designed together of the wind turbine.

Most of the wind turbine parameters are calculated in the design process.

Force analysis under 4 different situations is taken to verify the structure design.

Modal analysis of turbine hub and tower solved the inherent frequencies and vibration modes.

Abstract

A typical 1.5 MW wind turbine suitable for Xuzhou City is designed and simulated in this paper. The wind turbine blade-hub-tower coupling system and most of the parameters are designed and calculated in the design process. In the kinetic analysis process, the force analysis under 4 different situations are taken to verify the structure design, which are under quiescent condition, under random angle and random wind turbine, under maximal wind speed and over maximal wind speed. At last, the modal analysis selected the turbine hub and tower to solve the inherent frequencies and vibration modes. The first 5 order inherent frequencies and vibration modes of the hub and tower are solved to verify the design rationality.

Keywords

  • Wind turbine;
  • Blade-hub-tower;
  • Kinetic analysis;
  • Force analysis;
  • Modal analysis

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