RESEARCH ON ACCURATE MEASUREMENT OF SPATIAL ANGLE OF WIRE ROPE FOR FULL-SCALE STATIC LOADING TEST OF WIND TURBINE BLADES

Lu Haolei; Huang Xuemei; Zhang Leian; Song Rujun; Wang Jinghua; Yu Liangfeng

doi:10.19912/j.0254-0096.tynxb.2022-0047

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Acta Energiae Solaris Sinica ›› 2023, Vol. 44 ›› Issue (5) : 425-431. DOI: 10.19912/j.0254-0096.tynxb.2022-0047

RESEARCH ON ACCURATE MEASUREMENT OF SPATIAL ANGLE OF WIRE ROPE FOR FULL-SCALE STATIC LOADING TEST OF WIND TURBINE BLADES

Lu Haolei¹, Huang Xuemei^1,2, Zhang Leian¹, Song Rujun¹, Wang Jinghua¹, Yu Liangfeng³

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Abstract

In order to reduce the measurement error caused by the deflection of the blade during the loading process, a mathematical model for accurately measuring the spatial angle between the wire rope and the wind turbine blade was proposed. The spatial angle measurement system constructed by this model adopted three displacement sensors, which could measure the three-dimensional angle formed by the wire rope and the wind turbine blade in real time, so as to accurately compensated the force of each loading point and improved the synergy of the loading test. The measurement results of the system were verified on-site based on the measurement results of the laser tracker. The results show that the error rate of the spatial angle measured by the system is only 1.78%, 1.96% and 1.92%. The loading force curve changes smoothly, which can better realize the coordinated loading of multi-node forces.

Key words

wind turbine blades / static loading / steel wire rope / spatial angle / measurement system

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Lu Haolei, Huang Xuemei, Zhang Leian, Song Rujun, Wang Jinghua, Yu Liangfeng. RESEARCH ON ACCURATE MEASUREMENT OF SPATIAL ANGLE OF WIRE ROPE FOR FULL-SCALE STATIC LOADING TEST OF WIND TURBINE BLADES[J]. Acta Energiae Solaris Sinica. 2023, 44(5): 425-431 https://doi.org/10.19912/j.0254-0096.tynxb.2022-0047

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