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Efficiency Analysis of Fractional KiloWatt Reluctance Motors with Various Frame Sizes, Taking into Account the Impact of the Punching Process

Author

Listed:
  • Zbigniew Gmyrek

    (Institute of Mechatronic and Information Systems, Lodz University of Technology, 90-924 Lodz, Poland)

  • Krzysztof Smółka

    (Institute of Mechatronic and Information Systems, Lodz University of Technology, 90-924 Lodz, Poland)

Abstract

The need to reduce electricity consumption by electrical devices, including electric motors, is the reason for the development of new designs. Designers strive to improve operational parameters, including efficiency, using, for example, new types of magnetic materials, new types of stator windings, etc. Currently, in mass production, motor cores are made of punched laminations—punching causes damage of core parts. For motors of relatively large geometrical sizes, this effect is ignored during design. For motors having small dimensions, this negative effect results in a reduction in efficiency, which is mostly small for this type of motor. In this paper, the authors propose a new rapid algorithm based on simple measurements to determine the material characteristics of the damaged material part. Then, using them in the FEM models, they determine the efficiency of motors with various powers and frame sizes. On this basis, the conclusions are formulated, they may be helpful for motor designers.

Suggested Citation

  • Zbigniew Gmyrek & Krzysztof Smółka, 2020. "Efficiency Analysis of Fractional KiloWatt Reluctance Motors with Various Frame Sizes, Taking into Account the Impact of the Punching Process," Energies, MDPI, vol. 13(2), pages 1-11, January.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:2:p:357-:d:307506
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    Cited by:

    1. Maria Dems & Krzysztof Komeza & Witold Kubiak & Jacek Szulakowski, 2020. "Impact of Core Sheet Cutting Method on Parameters of Induction Motors," Energies, MDPI, vol. 13(8), pages 1-19, April.

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