VIBRATION CONTROL OF OFFSHORE WIND TURBINES UNDER WIND AND WAVE EXCITATIONS

Xie Shuangyi; He Jiao; Zhang Chenglin; Jin Xin

doi:10.19912/j.0254-0096.tynxb.2020-1271

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Acta Energiae Solaris Sinica ›› 2022, Vol. 43 ›› Issue (7) : 270-275. DOI: 10.19912/j.0254-0096.tynxb.2020-1271

VIBRATION CONTROL OF OFFSHORE WIND TURBINES UNDER WIND AND WAVE EXCITATIONS

Xie Shuangyi¹, He Jiao², Zhang Chenglin^3,4, Jin Xin⁵

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Abstract

This paper establishes a multi-body dynamics model of a complete monopile offshore wind turbine considering the pile-soil interaction effect. A co-simulation model is then built. Finally, a single-TMD （STMD） system and a multiple-TMD （MTMD） system installed in the nacelle are designed and evaluated under the normal operation and the parked cases. The results show that the TMD systems exhibit better performance under the parked case than under the normal operation case. The standard deviations of the tower-base bending moments are suppressed more significantly than other evaluation indices. Furthermore, it is found that there is nonlinear relationship between the TMD number and the performance of MTMD.

Key words

offshore wind power / vibration control / wind turbines / structural dynamics / wind-wave excitation

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Xie Shuangyi, He Jiao, Zhang Chenglin, Jin Xin. VIBRATION CONTROL OF OFFSHORE WIND TURBINES UNDER WIND AND WAVE EXCITATIONS[J]. Acta Energiae Solaris Sinica. 2022, 43(7): 270-275 https://doi.org/10.19912/j.0254-0096.tynxb.2020-1271

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