Dynamics of the Gear Train Set in Wind Turbine

D.D. Ji; Y.M. Song; J. Zhang

doi:10.4028/www.scientific.net/MSF.697-698.701

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HomeMaterials Science ForumMaterials Science Forum Vols. 697-698Dynamics of the Gear Train Set in Wind Turbine

Dynamics of the Gear Train Set in Wind Turbine

Abstract:

A lumped-parameter dynamic model for gear train set in wind turbine is proposed to investigate the dynamics of the speed-increasing gear box. The proposed model is developed in a universal Cartesian coordinate, which includes transversal and torsional deflections of each component, time-varying mesh stiffness, gear profile errors and external excitations. By solving the dynamic model, a modal analysis is performed. The results indicate that the modal properties of the multi-stage gear train in wind turbine are similar to those of a single-stage planetary gear set. A harmonic balance method (HBM) is used to obtain the dynamic responses of the gearing system. The responses give insight into the impact of excitations on the vibrations.