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The Synthesis of a Bifilar Short Electric Network for a Submerged Arc Furnace with Delta-Connected Electrodes

Author

Listed:
  • Bernard Baron

    (Department of Drive Automation and Robotics, Faculty of Electrical Engineering, Automatic Control and Informatics, Opole University of Technology, Proszkowska Street 76, 45-272 Opole, Poland)

  • Tomasz Kraszewski

    (Research and Development Centre Glokor, Gornych Walow 27a, 44-100 Gliwice, Poland)

  • Dariusz Kusiak

    (Department of Automation, Electrical Engineering and Optoelectronics, Faculty of Electrical Engineering, Czestochowa University of Technology, Armii Krajowej 17, 42-200 Czestochowa, Poland)

  • Tomasz Szczegielniak

    (Department of Automation, Electrical Engineering and Optoelectronics, Faculty of Electrical Engineering, Czestochowa University of Technology, Armii Krajowej 17, 42-200 Czestochowa, Poland)

  • Zygmunt Piątek

    (Faculty of Infrastructure and Environment, Czestochowa University of Technology, 42-200 Częstochowa, Poland)

Abstract

In this paper, a non-linear programming method allowing for the optimization of the structure of high-current circuits that supply resistance-arc furnaces was presented. In the case of resistance-arc furnaces, two types of asymmetries most often occur: structural and operational ones. The structural asymmetry is related to the construction of a bifilar high-current busduct, which leads to the so-called short network. Knowing the parameters of the high-current busduct allows one to determine the operating characteristics of the arc furnace. It is also necessary to know the energy consumed in individual steps of the arc furnace operation. The method proposed in this paper makes it possible to establish guidelines for the modernization of a short network in order to eliminate asymmetry. The presented method was verified on a real object by conducting experimental tests on a furnace with a power of 12 MVA. Experimental tests were first carried out for a furnace with asymmetry, and then, by conducting simulation tests, guidelines for changing the design of the short network were determined. The measurements carried out after the modernization of the short network confirmed that the furnace was in a symmetrical operating condition and confirmed the correctness of the calculation method proposed in this paper.

Suggested Citation

  • Bernard Baron & Tomasz Kraszewski & Dariusz Kusiak & Tomasz Szczegielniak & Zygmunt Piątek, 2023. "The Synthesis of a Bifilar Short Electric Network for a Submerged Arc Furnace with Delta-Connected Electrodes," Energies, MDPI, vol. 16(21), pages 1-21, October.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:21:p:7386-:d:1272050
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    References listed on IDEAS

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    1. Hocine, Labar & Yacine, Djeghader & Kamel, Bounaya & Samira, Kelaiaia Mounia, 2009. "Improvement of electrical arc furnace operation with an appropriate model," Energy, Elsevier, vol. 34(9), pages 1207-1214.
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