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Design and Experimental Verification of a 72/48 Switched Reluctance Motor for Low-Speed Direct-Drive Mining Applications

Author

Listed:
  • Esmail Elhomdy

    (School of Electrical Engineering, Dalian University of Technology, Dalian 116023, China
    Faculty of Engineering, Blue Nile University, Ad-Damazin 26613, Blue Nile State, Sudan)

  • Guofeng Li

    (School of Electrical Engineering, Dalian University of Technology, Dalian 116023, China)

  • Jiang Liu

    (School of Electrical Engineering, Dalian University of Technology, Dalian 116023, China)

  • Syed Abid Bukhari

    (School of Engineering and Applied Science, Aston University, Birmingham B4 7ET, UK)

  • Wen-Ping Cao

    (School of Electrical Engineering, Dalian University of Technology, Dalian 116023, China
    School of Engineering and Applied Science, Aston University, Birmingham B4 7ET, UK)

Abstract

Typically, a geared drive system is used to connect an induction motor of 1500 rpm with a Raymond Pulverizer of 105 rpm in mining applications. This system suffers from low efficiency and a heavy motor drive. This paper proposes a novel design of a 75 kW, 72/48 switched reluctance motor (SRM) for a low-speed direct-drive as for mining applications. The paper is focused on the design and comparative evaluation of the proposed machine in order to replace a geared drive system whilst providing a high torque low-speed and direct-drive solution. The machine performance is studied and the switching angle configuration of the machine is also optimised. The efficiency of the whole drive system is found to be as high as 90.19%, whereas the geared induction motor drive provides only an efficiency of 59.32% under similar operating conditions. An SRM prototype was built and experimentally tested. Simulation and experimental results show that the drive system has better performance to substitute the induction motor option in mining applications.

Suggested Citation

  • Esmail Elhomdy & Guofeng Li & Jiang Liu & Syed Abid Bukhari & Wen-Ping Cao, 2018. "Design and Experimental Verification of a 72/48 Switched Reluctance Motor for Low-Speed Direct-Drive Mining Applications," Energies, MDPI, vol. 11(1), pages 1-21, January.
    • Handle: RePEc:gam:jeners:v:11:y:2018:i:1:p:192-:d:126751
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    Cited by:

    1. Vitor Fernão Pires & Armando José Pires & Armando Cordeiro & Daniel Foito, 2020. "A Review of the Power Converter Interfaces for Switched Reluctance Machines," Energies, MDPI, vol. 13(13), pages 1-34, July.

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