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Method for Assessment of Operation of Analog Filters Installed in the Measuring Lines for Electrical Quantities of a Mining Machine’s Converter Power Supply System

Author

Listed:
  • Jarosław Joostberens

    (Department of Electrical Engineering and Automation in Industry, Faculty of Mining, Safety Engineering and Industrial Automation, Silesian University of Technology, Akademicka 2 St., 44-100 Gliwice, Poland)

  • Arkadiusz Pawlikowski

    (Department of Mechanization and Robotization of Mining, Faculty of Mining, Safety Engineering and Industrial Automation, Silesian University of Technology, Akademicka 2 St., 44-100 Gliwice, Poland)

  • Dariusz Prostański

    (KOMAG Institute of Mining Technology, Pszczynska 37 St., 44-101 Gliwice, Poland)

  • Krzysztof Nieśpiałowski

    (KOMAG Institute of Mining Technology, Pszczynska 37 St., 44-101 Gliwice, Poland)

Abstract

A method for assessing the operation of analog filters installed in the measuring paths of current and voltage converters in the power supply system of a mining machine motor, using the example of the driving unit of a roadheader’s cutterhead, is presented. The suggested method is based on the identification of the fundamental harmonic of signals from the current and voltage sensors observed at the input and output of the tested filters, respectively. The identified parameters of the fundamental harmonic of signals before and after the filter allow the determination of points of the filter frequency’s characteristics and their comparison with the reference values. In the suggested method of assessing the operation of analog filters, the new approach consists of checking the frequency characteristics on the basis of identification of the basic harmonics of the signal at the input and output of the tested filter (installed in the measuring line of the electrical quantity) using data acquired during the frequency start-up of the mining machine driving motor under normal operational conditions. Results are presented of the filter performance assessment, using the suggested method, after three years of its operation in the measuring system. For this purpose, empirical data recorded during the operation of a roadheader on a test stand are used. The results are compared with the theoretical frequency characteristics of the tested filters.

Suggested Citation

  • Jarosław Joostberens & Arkadiusz Pawlikowski & Dariusz Prostański & Krzysztof Nieśpiałowski, 2021. "Method for Assessment of Operation of Analog Filters Installed in the Measuring Lines for Electrical Quantities of a Mining Machine’s Converter Power Supply System," Energies, MDPI, vol. 14(9), pages 1-15, April.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:9:p:2384-:d:541521
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    References listed on IDEAS

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    1. Piotr Cheluszka, 2020. "Optimization of the Cutting Process Parameters to Ensure High Efficiency of Drilling Tunnels and Use the Technical Potential of the Boom-Type Roadheader," Energies, MDPI, vol. 13(24), pages 1-23, December.
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    Cited by:

    1. Xiaodong Ji & Minjun Zhang & Yuanyuan Qu & Hai Jiang & Miao Wu, 2021. "Travel Dynamics Analysis and Intelligent Path Rectification Planning of a Roadheader on a Roadway," Energies, MDPI, vol. 14(21), pages 1-21, November.
    2. Łukasz Bołoz & Artur Kozłowski, 2021. "Methodology for Assessing the Stability of Drilling Rigs Based on Analytical Tests," Energies, MDPI, vol. 14(24), pages 1-29, December.

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