| Title | Is repair of energy using products environmentally beneficial? The case of high voltage electric motors |
|---|---|
| ID_Doc | 25157 |
| Authors | Jerome, A; Ljunggren, M; Janssen, M |
| Title | Is repair of energy using products environmentally beneficial? The case of high voltage electric motors |
| Year | 2023 |
| Published | |
| Abstract | Repair is advocated as a circular strategy to improve the environmental performance of products. Whether this holds for very long-lived and energy intensive products has not been addressed. This study compares environ -mental impacts of two high voltage motors of different energy efficiency and assesses their use extension by repair with life cycle assessment (LCA). Due to high energy use, long lifetime and intensive use, the use phase dominates all environmental impacts, even resource depletion. Therefore, a higher energy efficiency is more beneficial than extending the use by repair, and if the energy efficiency is slightly reduced, the repair is not beneficial. Therefore, product requirements and users and manufacturers of such products should ensure designs with high energy efficiency rather than making the product repairable. Finally, the results highlight the importance of including resource use from electricity production and transmission in LCA of the use extension of energy using products. |
| https://doi.org/10.1016/j.resconrec.2023.107038 |
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