RESEARCH ON DYNAMIC CHARACTERISTICS OF PLANETARY GEAR-ROLLING BEARING COUPLING SYSTEM OF WIND TURBINES

Xu Huachao; Bai Houyi; Qin Datong; Wang Yong; Liu Changzhao

doi:10.19912/j.0254-0096.tynxb.2022-0638

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Acta Energiae Solaris Sinica ›› 2023, Vol. 44 ›› Issue (8) : 477-484. DOI: 10.19912/j.0254-0096.tynxb.2022-0638

RESEARCH ON DYNAMIC CHARACTERISTICS OF PLANETARY GEAR-ROLLING BEARING COUPLING SYSTEM OF WIND TURBINES

Xu Huachao^1~3, Bai Houyi³, Qin Datong², Wang Yong^1,2, Liu Changzhao²

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Abstract

In order to meet the integrated design requirements of planetary gear and rolling bearing, a dynamic modeling method of planetary gear-rolling bearing coupling system based on multi-body dynamics theory and elastic contact theory is proposed. The model not only considers the dynamic interaction between planetary gear and rolling bearing, but also calculates the contact loads of each rolling body. Taking the planetary gear-rolling bearing system of wind turbine as the research object, the dynamic model of its coupling system is constructed and the coupling mechanism between planetary gear and rolling bearing is studied. The results show that the planetary gear has a significant influence on the dynamic response of rolling bearings. Affected by gear meshing force, the rolling element contact load and the bearing eccentric trajectory show the high-frequency fluctuation characteristics. The influence of planetary gears on the dynamic response of rolling bearings should be fully evaluated in the design.

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wind turbines / gears / bearings / dynamic response / dynamic analysis

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Xu Huachao, Bai Houyi, Qin Datong, Wang Yong, Liu Changzhao. RESEARCH ON DYNAMIC CHARACTERISTICS OF PLANETARY GEAR-ROLLING BEARING COUPLING SYSTEM OF WIND TURBINES[J]. Acta Energiae Solaris Sinica. 2023, 44(8): 477-484 https://doi.org/10.19912/j.0254-0096.tynxb.2022-0638

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