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Wind Turbine Failures Review and Trends

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Abstract

This article presents a standardized analysis of failures in wind turbines concerning the main technologies classified in the literature, as well as identifies critical components and trends for the most modern wind farm facilities, which seek greater efficiency, robustness and reliability to mitigate failures and reduce wind turbine downtime. Through the application of Pareto’s rule, a set of components has been identified; although these provide little in terms of fault contribution, they do account for almost all downtime when they occur. Wind turbines fail around twice every year with an average downtime of 150 h per failure. The gearbox is one of the most critical components in terms of downtime that represents generation losses, where the faults in the frequency converter are directly influenced by the thermal cycle of the semiconductor switches in normal operation and accentuated by transient load fluctuations during the generation process. In order to identify the optimum point for preventive interventions that do not impact the overall maintenance cost, at the end a maintenance cost of a 2 MW wind turbine is discussed.

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Acknowledgements

The authors acknowledge the support granted by CAPES and DINTER between USP EESC versus FPTI.

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Correspondence to Thiago Naufal Santelo.

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Santelo, T.N., de Oliveira, C.M.R., Maciel, C.D. et al. Wind Turbine Failures Review and Trends. J Control Autom Electr Syst 33, 505–521 (2022). https://doi.org/10.1007/s40313-021-00789-8

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  • DOI: https://doi.org/10.1007/s40313-021-00789-8

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