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Perspectives on Electric Motor Market Transformation for a Net Zero Carbon Economy

Author

Listed:
  • Anibal T. de Almeida

    (Department of Electrical and Computer Engineering, ISR-University of Coimbra, 3030-290 Coimbra, Portugal)

  • Fernando J. T. E. Ferreira

    (Department of Electrical and Computer Engineering, ISR-University of Coimbra, 3030-290 Coimbra, Portugal)

  • João Fong

    (Department of Electrical and Computer Engineering, ISR-University of Coimbra, 3030-290 Coimbra, Portugal)

Abstract

Energy efficiency is one of the most powerful strategies to mitigate the impacts of climate change by reducing energy demand, which in turn reduces the emissions of Green House Gases (GHG), as well as reducing the burden on the supply side renewable generation expansion. Because electric motors systems represent such a large share of the overall electricity consumption (over 50%), large savings potential could be made available by the use of energy-efficient motor systems both in new installations and by accelerating the replacement of old inefficient motors. Since electric motors are very reliable, their lifetime is long (according to recent studies it may exceed 20 years) which translates into a very inefficient existing stock despite worldwide policy efforts. This paper analyzes the current efficiency of the installed stock and the causes for its low efficiency, possible policy options to increase its the efficiency, the role of new technologies and improvements possible by targeting the entire motor system at the time of motor replacement. The paper presents an innovative analysis of the estimated impact of increasing the uptake of high-efficiency motors and motor systems; effective policies could translate into 100 TWh/year in the European Union if additional measures, such as addressing oversizing, proper controls (VSDs) and digitisation, are also implemented. If similar measures were adopted globally, the savings triggered could be at least tenfold reaching over 1000 TWh/year.

Suggested Citation

  • Anibal T. de Almeida & Fernando J. T. E. Ferreira & João Fong, 2023. "Perspectives on Electric Motor Market Transformation for a Net Zero Carbon Economy," Energies, MDPI, vol. 16(3), pages 1-16, January.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:3:p:1248-:d:1045268
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    References listed on IDEAS

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    1. Gómez, Julio R. & Sousa, Vladimir & Cabello Eras, Juan J. & Sagastume Gutiérrez, Alexis & Viego, Percy R. & Quispe, Enrique C. & de León, Gabriel, 2022. "Assessment criteria of the feasibility of replacement standard efficiency electric motors with high-efficiency motors," Energy, Elsevier, vol. 239(PA).
    2. De Almeida, A. & Fong, J. & Brunner, C.U. & Werle, R. & Van Werkhoven, M., 2019. "New technology trends and policy needs in energy efficient motor systems - A major opportunity for energy and carbon savings," Renewable and Sustainable Energy Reviews, Elsevier, vol. 115(C).
    3. Paul Waide & Conrad U. Brunner, 2011. "Energy-Efficiency Policy Opportunities for Electric Motor-Driven Systems," IEA Energy Papers 2011/7, OECD Publishing.
    4. Julio R. Gómez & Enrique C. Quispe & Rosaura del Pilar Castrillón & Percy R. Viego, 2020. "Identification of Technoeconomic Opportunities with the Use of Premium Efficiency Motors as Alternative for Developing Countries," Energies, MDPI, vol. 13(20), pages 1-16, October.
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