Data driven case study of a wind turbine main-bearing failure

de Mello, Elisha and Kampolis, Georgios and Hart, Edward and Hickey, Daryl and Dinwoodie, Iain and Carroll, James and Dwyer-Joyce, Rob and Boateng, Ampea (2021) Data driven case study of a wind turbine main-bearing failure. Journal of Physics: Conference Series, 2018. 012011. ISSN 1742-6596 (

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This paper presents a data driven case study of two outer-race spalling faults in double-row spherical roller main-bearings, with the purpose of identifying key features and relevant measurements associated with this failure mode in wind turbine main-bearings. Supervisory data is analysed for one fault case and vibration data for the other. The aim of this work is to inform practitioners and assist in improving fault detection systems for this component.