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Erschienen in:
2016 | OriginalPaper | Buchkapitel
Dynamic Characteristics of Wind Turbine Gearbox with the Chipping Fault
verfasst von : Xin Wang, Yuxiu Xu, Taotao Li
Erschienen in: Proceedings of the 5th International Conference on Electrical Engineering and Automatic Control
Verlag: Springer Berlin Heidelberg
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Abstract
Studying on modulation characteristics of the transmission system to extract side frequency signals caused by the fault has important implications for planetary gearbox fault diagnosis. A torsion dynamics model of gearbox transmission system is established by lumped mass method with simulated planetary gear chipping fault through periodic pulse function. Using the Runge-Kutta method solved the equations to study the dynamic fault characteristics under the planetary chipping fault. Experimental results show: the planetary gear chipping fault can cause a large number side frequency around planetary mesh frequency, which also appears around first, second stage mesh frequency and its harmonic frequencies. The results of experimental signal analysis are the same with the theoretical analysis, so we can diagnose planetary chipping fault applying spectral analysis method.