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Rotor Design for an Efficient Single-Phase Induction Motor for Refrigerator Compressors

Author

Listed:
  • Hyun-Jin Ahn

    (Department of Electrical Engineering, Chonnam National University, Gwangju 500-757, Korea)

  • Kang-Won Kim

    (Department of Electrical Engineering, Chonnam National University, Gwangju 500-757, Korea)

  • Joon-Ho Choi

    (Department of Electrical Engineering, Chonnam National University, Gwangju 500-757, Korea)

  • Eui-Sun Kim

    (Department of Information and Communication, Shingyeong University, Hwaseong 445-852, Korea)

  • Young-Cheol Lim

    (Department of Electrical Engineering, Chonnam National University, Gwangju 500-757, Korea)

Abstract

This article describes a rotor making technology for the production of high-efficiency single-phase induction motors (SPIMs) to be used in refrigerator compressors. Rotors can have different aluminum fill factors according to the fabrication method. In order to examine the association between the fill factor and the efficiency of the rotor, we analyzed the distribution of magnetic flux density using the finite element method (FEM). Next, we made prototype rotors by conventional casting methods and by the proposed casting method and compared their fill factors. In addition, SPIMs were made using the rotors, and their efficiencies were measured using a dynamometer. Moreover, the SPIMs were put to use in a compressor, for testing, and for each SPIM the refrigerating capacity of the compressor was measured with a calorimeter. Based on the results of the FEM analysis of the magnetic flux density and the experiments, the reliability and validity of the proposed method were proven.

Suggested Citation

  • Hyun-Jin Ahn & Kang-Won Kim & Joon-Ho Choi & Eui-Sun Kim & Young-Cheol Lim, 2016. "Rotor Design for an Efficient Single-Phase Induction Motor for Refrigerator Compressors," Energies, MDPI, vol. 9(3), pages 1-16, March.
    • Handle: RePEc:gam:jeners:v:9:y:2016:i:3:p:158-:d:64971
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    References listed on IDEAS

    as
    1. Paul Waide & Conrad U. Brunner, 2011. "Energy-Efficiency Policy Opportunities for Electric Motor-Driven Systems," IEA Energy Papers 2011/7, OECD Publishing.
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