Preprints
https://doi.org/10.5194/wes-2024-55
https://doi.org/10.5194/wes-2024-55
02 Jul 2024
 | 02 Jul 2024
Status: this preprint is currently under review for the journal WES.

Repair of wind turbine blades: Experience and observations from India – A Review

Refugine Nirmal Ignacy Muthu, Leon Mishnaevsky Jr., Saravanakumar Savadaiyan, Thamodharan Krishnaraj, Anthonyraj Premkumar S, Mohammed Farook S, and Kadhirvel Boopathi

Abstract. A large expansion of wind energy is planned in India. On the other side, older wind turbines are approaching the end of their lifetime in some cases. Improvement and quality of maintenance technologies of wind turbines are therefore very important for the successful expansion and support of wind energy generation in India. In this paper, the strategies, main challenges and procedures of wind turbine blade repair in India are summarized. The influence of location and climate, methods of damage identification and evaluation of the severity of blade damage, as well as steps involved in leading-edge erosion, laminate, foam, web, and serration damage repair are presented. This overview of the current situation, methods, and technologies should provide the basis for the optimization of repair technologies, development of new techniques and thus to the improvement of the reliability of wind energy generation in India.

Publisher's note: Copernicus Publications remains neutral with regard to jurisdictional claims made in the text, published maps, institutional affiliations, or any other geographical representation in this preprint. The responsibility to include appropriate place names lies with the authors.
Refugine Nirmal Ignacy Muthu, Leon Mishnaevsky Jr., Saravanakumar Savadaiyan, Thamodharan Krishnaraj, Anthonyraj Premkumar S, Mohammed Farook S, and Kadhirvel Boopathi

Status: open (until 30 Jul 2024)

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  • CC1: 'Comment on wes-2024-55', Christopher Harrison, 11 Jul 2024 reply
Refugine Nirmal Ignacy Muthu, Leon Mishnaevsky Jr., Saravanakumar Savadaiyan, Thamodharan Krishnaraj, Anthonyraj Premkumar S, Mohammed Farook S, and Kadhirvel Boopathi
Refugine Nirmal Ignacy Muthu, Leon Mishnaevsky Jr., Saravanakumar Savadaiyan, Thamodharan Krishnaraj, Anthonyraj Premkumar S, Mohammed Farook S, and Kadhirvel Boopathi

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Short summary
This paper outlines wind turbine blade repair strategies in India, crucial for its expanding wind energy sector. It discusses challenges, repair techniques for various damages, and the importance of tailored maintenance. Practical cases and monitoring processes are explored, aiming to enhance the reliability of wind turbine blades in the region.
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