Project description
Recycled liquids for environmentally friendly power transformers
Power transformers are crucial for electric power systems, and their efficient operation is vital to prevent outages. Many transformers are reaching the end of their 30-40-year lifespan, raising questions about recycling. Around 95 % of a transformer’s materials can be recycled, aligning with the European Commission’s Circular Economy plan. With the support of the Marie Skłodowska-Curie Actions programme, the RETROTRAFO project aims to research the use of alternative or recycled insulating liquids to replace mineral oil in transformers, leading to safer, more environmentally friendly transformers and potentially allowing for higher loads, thereby delaying the need to replace equipment. The project also aims to apply the circular economy concept to power transformers by promoting the efficient use of materials and extending their lifespan.
Objective
"Power transformers play a crucial role in electric power transmission and distribution systems, being both expensive and strategically important. Their prolonged efficient operation is essential to prevent long-term power outages. With tens of thousands of transformers worldwide approaching the end of their typical 30-40 year lifespan, the question of recycling becomes significant. Remarkably, around 95% of a power transformer's materials could potentially be recycled. Recognizing the importance of a circular economy, the European Commission adopted a Circular Economy plan in 2020, aiming to shift from a linear ""take, make, dispose"" model to a circular one where waste becomes a new resource. While the initial focus was on energy efficiency in transformers, the impact of materials is not negligible. The upcoming revision of the eco-design regulation for transformers in 2023 will introduce new requirements on material efficiency.
The proposed project will develop research on transformer retrofilling with alternative or recycled insulating liquids. This technique is based on the replacement of the mineral oil of a transformer in service with a biodegradable and less-flammable fluid. The procedure would lead to safer and more environmentally friendly transformers and could allow the application of higher loads, deferring the replacement of equipment in service. However, the technique has not been sufficiently studied, it is needed to evaluate the impact of retrofilling on the operation of the transformer and to assess its economic and technical feasibility. Project's researchers have applied the circular economy concept to power transformers in various ways during project definition:
a) Evaluating the efficient use of materials throughout a transformer's life cycle (renewable or re-refined oils instead of conventional oils);
b) Lifetime extension through dielectric and thermal design review and guidance on operation and maintenance."
Fields of science (EuroSciVoc)
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- engineering and technology environmental engineering ecosystem-based management climatic change mitigation
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Project’s keywords as indicated by the project coordinator. Not to be confused with the EuroSciVoc taxonomy (Fields of science)
Programme(s)
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Multi-annual funding programmes that define the EU’s priorities for research and innovation.
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HORIZON.1.2 - Marie Skłodowska-Curie Actions (MSCA)
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(opens in new window) HORIZON-MSCA-2023-SE-01
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Net EU financial contribution. The sum of money that the participant receives, deducted by the EU contribution to its linked third party. It considers the distribution of the EU financial contribution between direct beneficiaries of the project and other types of participants, like third-party participants.
39005 SANTANDER
Spain
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Participants (9)
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28903 Getafe (Madrid)
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301 00 Pilsen
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010 26 Zilina
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10100 Balikesir
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10143 Torino
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44-100 GLIWICE
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042 00 Kosice
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040 01 KOSICE
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48940 Leioa
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Partners (18)
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3000 Santa Fe
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43400 Selangor Darul Ehsan
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8370993 Santiago
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9170022 Santiago
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760032 Cali
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804 8550 Kitakyushu
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10003 1526 NEW YORK
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N2L 3G1 Waterloo
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. Valparaiso
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J5402CWH San Juan
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M13 9PL Manchester
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31111 Tanta
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49008-5456 Kalamazoo
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4072 Brisbane
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760050 YUMBO
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110221 Bogotá
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02-757 WARSZAWA
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45131 Essen
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