Study on the Vibration Characteristics of Wire Rope in Static Testing of Wind Turbine Blades

Yingjie Zhang, Zhiwen Qin, Yuhuan Zhang (), Jialin Li, Leian Zhang and Panpan Yang
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Yingjie Zhang: School of Mechanical Engineering, Shandong University of Technology, Zibo 255000, China
Zhiwen Qin: Offshore Wind Energy Department, Huaneng Clean Energy Research Institute, Beijing 102209, China
Yuhuan Zhang: School of Mechanical Engineering, Shandong University of Technology, Zibo 255000, China
Jialin Li: Renmin University of China, Beijing 100872, China
Leian Zhang: School of Mechanical Engineering, Shandong University of Technology, Zibo 255000, China
Panpan Yang: School of Mechanical Engineering, Shandong University of Technology, Zibo 255000, China

Energies, 2025, vol. 18, issue 5, 1-16

Abstract: Significant vibrations of the traction wire rope can impact the efficiency and accuracy of static testing in wind turbine blade assessments. This study focuses on the vibration characteristics of the wire rope under static loading conditions. A simulation model for single-point static tests of wind turbine blades was developed using Adams software and validated through wire rope tension and longitudinal acceleration measurements during static tests on a full-scale 71.5-m blade. The validated model was used to analyze the effects of wire rope span and pulley position on vibration amplitude and tension in single-point loading scenarios. The results show that increasing the wire rope span and the distance between the pulley and blade fixture significantly amplifies vibration. Adjusting the span of the wire rope and the pulley position causes the primary vibration frequency to approach the natural frequency, leading to a substantial increase in vibration near the resonance frequency. To avoid resonance and reduce vibration, it is recommended to use two misaligned ground tracks, ensuring the wire rope span does not exceed 30 m and the distance between the pulley and blade fixture does not exceed 7 m. Specific resonance combinations of wire rope span and pulley position should be avoided to improve the precision and reliability of the testing system.

Keywords: wind turbine blades; static testing; vibration amplitude; simulation analysis (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2025
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