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Impact of Core Sheet Cutting Method on Parameters of Induction Motors

Author

Listed:
  • Maria Dems

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

  • Krzysztof Komeza

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

  • Witold Kubiak

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

  • Jacek Szulakowski

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

Abstract

The method of cutting motor core sheets causes a change in their magnetic properties and core losses, especially additional losses. Reducing motor losses is very important because of the fulfillment of increasingly stringent requirements set by international regulations for reducing electricity consumption. Due to fact that more and more often induction motors are supplied with high-frequency voltage, core losses are beginning to play a dominant role in the motor’s loss balance. That is why accurate determination of these losses is very important and cutting has a significant impact on them. This report shows how the method of cutting sheet metal affects losses in the finished induction motor working in a wide frequency range. The paper presents the impact of various motor core fabrication technologies on its operational parameters and an approximate way of including this impact in analytical calculations at the design stage of new machine designs, as it is necessary to use sheet metal cutting technologies such as laser or electrical discharge machining (EDM) at the prototype stage. The proposed method is based on measurements of sheet parameters made on toroidal samples with appropriately selected dimensions, so that the width of the sample corresponds to the average width of the motor core elements.

Suggested Citation

  • 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.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:8:p:1960-:d:346223
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    References listed on IDEAS

    as
    1. Chengliu Ai & Christopher H.T. Lee & James L. Kirtley & Yuanfeng Huang & Haifeng Wang & Zhiwei Zhang, 2019. "A Hybrid Methodology for Analyzing the Performance of Induction Motors with Efficiency Improvement by Specific Commercial Measures," Energies, MDPI, vol. 12(23), pages 1-24, November.
    2. 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.
    3. Vladimir Kindl & Radek Cermak & Zelmira Ferkova & Bohumil Skala, 2020. "Review of Time and Space Harmonics in Multi-Phase Induction Machine," Energies, MDPI, vol. 13(2), pages 1-17, January.
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    Citations

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    Cited by:

    1. Elzbieta Lesniewska & Michal Kaczmarek & Ernest Stano, 2020. "3D Electromagnetic Field Analysis Applied to Evaluate the Accuracy of a Voltage Transformer under Distorted Voltage," Energies, MDPI, vol. 14(1), pages 1-16, December.
    2. Osaruyi Osemwinyen & Ahmed Hemeida & Floran Martin & Anouar Belahcen & Antero Arkkio, 2020. "Parameter Estimation of Inter-Laminar Fault-Region in Laminated Sheets Through Inverse Approach," Energies, MDPI, vol. 13(12), pages 1-10, June.
    3. Maria Dems & Zbigniew Gmyrek & Krzysztof Komeza, 2021. "Analytical Model of an Induction Motor Taking into Account the Punching Process Influence on the Material Properties’ Change of Lamination," Energies, MDPI, vol. 14(9), pages 1-14, April.
    4. Elzbieta Lesniewska & Daniel Roger, 2023. "Selection of the Winding Type of Solid-State Transformers in Terms of Transmitting the Greatest Possible Power in the Frequency Range from 500 Hz to 6000 Hz," Energies, MDPI, vol. 16(18), pages 1-15, September.

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