DYNAMIC BEHAVIOR OF WIND TURBINE GEARS CONSIDERING CORNER CONTACT

Yi Yuanyuan; Xuan Liang; Meng Lijun; Tan Xin; Liu Changzhao

doi:10.19912/j.0254-0096.tynxb.2022-1221

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Acta Energiae Solaris Sinica ›› 2023, Vol. 44 ›› Issue (12) : 200-206. DOI: 10.19912/j.0254-0096.tynxb.2022-1221

DYNAMIC BEHAVIOR OF WIND TURBINE GEARS CONSIDERING CORNER CONTACT

Yi Yuanyuan¹, Xuan Liang¹, Meng Lijun¹, Tan Xin¹, Liu Changzhao²

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Abstract

To explore the influence of corner contact on the dynamic behavior of gear transmissions, the meshing-in impact force and time-varying meshing stiffness of a high-speed gear pair of a wind turbine under different loads and speeds were calculated, based on the gear meshing principle and impact dynamics theory. A nonlinear dynamic model of spur gear transmission consideration corner contact was subsequently established, and the dynamic characteristics of the system under different excitations were numerically solved. The results show that the contributions of meshing-in impact force and time-varying meshing stiffness to the dynamic response of the system are quite different at different operating speeds. In the resonance regions, the time-varying meshing stiffness becomes the dominant excitation of the system. Meanwhile, in the supercritical region, the dynamic loads of the system increases with the increase of the operating speed, this mainly attributes to the excitation effect of the meshing-in impact.

Key words

wind turbines / spur gears / dynamic models / vibration analysis / corner contact / time-varying meshing stiffness

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Yi Yuanyuan, Xuan Liang, Meng Lijun, Tan Xin, Liu Changzhao. DYNAMIC BEHAVIOR OF WIND TURBINE GEARS CONSIDERING CORNER CONTACT[J]. Acta Energiae Solaris Sinica. 2023, 44(12): 200-206 https://doi.org/10.19912/j.0254-0096.tynxb.2022-1221

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