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contributor authorMa, Zhiyong
contributor authorLiu, Yibing
contributor authorWang, Dameng
contributor authorTeng, Wei
contributor authorKusiak, Andrew
date accessioned2017-11-25T07:19:17Z
date available2017-11-25T07:19:17Z
date copyright2017/8/2
date issued2017
identifier issn0199-6231
identifier othersol_139_03_031006.pdf
identifier urihttp://138.201.223.254:8080/yetl1/handle/yetl/4235716
description abstractBearing faults occur frequently in wind turbines, thus resulting in an unplanned downtime and economic loss. Vibration signal collected from a failing bearing exhibits modulation phenomenon and “cyclostationarity.” In this paper, the cyclostationary analysis is utilized to the vibration signal from the drive-end of the wind turbine generator. Fault features of the inner and outer race become visible in the frequency–cyclic frequency plane. Such fault signatures can not be produced by the traditional demodulation methods. Analysis results demonstrate effectiveness of the cyclostatonary analysis. The disassembled faulty bearing visualizes the fault.
publisherThe American Society of Mechanical Engineers (ASME)
titleCyclostationary Analysis of a Faulty Bearing in the Wind Turbine
typeJournal Paper
journal volume139
journal issue3
journal titleJournal of Solar Energy Engineering
identifier doi10.1115/1.4035846
journal fristpage31006
journal lastpage031006-12
treeJournal of Solar Energy Engineering:;2017:;volume( 139 ):;issue: 003
contenttypeFulltext


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