Articles | Volume 6, issue 2
Wind Energ. Sci., 6, 367–376, 2021
https://doi.org/10.5194/wes-6-367-2021

Special issue: Wind Energy Science Conference 2019

Wind Energ. Sci., 6, 367–376, 2021
https://doi.org/10.5194/wes-6-367-2021
Research article
05 Mar 2021
Research article | 05 Mar 2021

Condition monitoring of roller bearings using acoustic emission

Daniel Cornel et al.

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Latest update: 01 Jul 2022
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Short summary
Roller bearing failures in wind turbines' gearboxes lead to long downtimes and high repair costs. This paper should form a basis for the implementation of a predictive maintenance system. Therefore an acoustic-emission-based condition monitoring system is applied to roller bearing test rigs. The system has shown that a damaged surface can be detected at least ~ 4 % (8 h, regarding the time to failure) and possibly up to ~ 50 % (130 h) earlier than by using the vibration-based system.