Maintenance and Repair Strategy for Wind Energy Development
InfoStart date: 1 October, 2020 End date: 30 September, 2025 Project type: Research projects in countries with targeted development cooperation (earlier Window 2) Project code: 19-M02-DTU Countries: India Thematic areas: Economic development and value chains, Energy, Lead institution: Technical University of Denmark (DTU), Denmark Partner institutions: Danish Blade Service ApS, Denmark Indian Institute of Technology Delhi (IIT Delhi), India National Aerospace Laboratories (NAL), India National Institute of Wind Energy (NIWE), India WindCare India Pvt. Ltd., India WiSH Energy Solutions, India Project website: go to website (the site might be inactive) Project coordinator: Leon Mishnaevsky Jr. Total grant: 4,682,076 DKK
In order to eradicate poverty, India needs to sustain an economic growth of at least 9% over the next 25 years. To ensure it, the primary energy supply has to increase at a rate of 5.8% annually. Wind energy in India grew very intensively in last decades, and is expected to grow even more extensively in the next decade. However, the reliability of the wind farm (which is high during the first year of operation) decreases with time decreases drastically beyond economical viability. Thus, it is critically important to ensure the long term service and reliability of wind turbines.
Maintenance and repair of wind turbines remain a strategic challenge for the development of wind energy, both in Europe and in India. The wind turbines installed in India face even larger maintenance challenges than those in Europe: monsoons, variations of temperatures, lack of experienced specialists.
The successful development of wind energy should therefore include the plan and technologies for the reliable protection, maintenance and repair of turbines. This project will create the necessary maintenance and repair know how, capacity and planning for the successful expansion of wind energy in India.
This project will develop a strategy of extending the wind turbine lifetime, including optimized surface protection against monsoon caused erosion, quick repair technologies, with mobile on-field repair kit for fast repair of blades, and a network of maintenance specialists collaborating and sharing experiences on optimal repair.
Wind turbines of first generation all around the world are approaching the end of warranty time and are subject to ageing. With the strategies and technologies developed in this project by cooperation of Danish and Indian scientists and industrial companies, the efficient repair and second life of wind turbines will be realized, thus, ensuring the reliable energy supply for Indian economy and society.
First year report
The project started and develops according to the plan. The collaboration between partners is excellent. The consortium meetings take place every 3rd week. The webpage of the project has been created, https://www.maintainergy.dk/. Special survey among the service companies in India and Europe was initiated, to identify main reasons for wind turbine failure, and market and situation of maintenance technologies (WP1, WP2). Computational and experimental studies of blade protection (erosion, coatings) and repair technologies (curing, patch) have been started (WP3, WP4). A special training workshop on Maintenance and repair of wind turbine blades is planned in Chennai in October 2021. During the project time, several presentations on international conferences (WESC 2021; 2nd Int Symposium on Leading Edge Erosion; Blades Global Conference) were made. One research paper was published in international journal, one paper submitted and 3 papers are in preparation.
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