Wind Energy Science
Wind Energy Science
WES
Articles | Volume 6, issue 2
Articles | Volume 6, issue 2
https://doi.org/10.5194/wes-6-367-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/wes-6-367-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 6, issue 2
Research article
 | 
05 Mar 2021
Research article |  | 05 Mar 2021

Condition monitoring of roller bearings using acoustic emission

Daniel Cornel, Francisco Gutiérrez Guzmán, Georg Jacobs, and Stephan Neumann

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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.
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