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Measurement and Analysis of Infrasound Signals Generated by Operation of High-Power Wind Turbines

Author

Listed:
  • Tomasz Malec

    (KFB Acoustics Sp. Z o.o., 51-502 Wrocław, Poland)

  • Tomasz Boczar

    (Faculty of Electrical Engineering Automatic Control and Informatics, Opole University of Technology, 45-758 Opole, Poland)

  • Daria Wotzka

    (Faculty of Electrical Engineering Automatic Control and Informatics, Opole University of Technology, 45-758 Opole, Poland)

  • Michał Kozioł

    (Faculty of Electrical Engineering Automatic Control and Informatics, Opole University of Technology, 45-758 Opole, Poland)

Abstract

The development of wind energy and the increasing number of installed wind turbines make it necessary to assess them in terms of the nuisance of the emitted infrasound noise generated by such devices. The article presents the results of measurements and analyses of infrasound emitted during the operation of wind turbines installed in various locations in Poland. Comparative analysis of noise levels in the infrasound and audible range has shown that acoustic energy is mainly in the low and infrasound frequency range, and the measured levels depend significantly on the weighting curves used. On the basis of the results, it was confirmed that the sound pressure level of infrasound signals emitted by the operation of high-power wind turbines, regardless of wind velocity, weather conditions, design solutions of turbines, operating time, rated capacity, does not exceed the criteria specified in the applicable legislation dealing with the assessment of infrasound noise on the working environment.

Suggested Citation

  • Tomasz Malec & Tomasz Boczar & Daria Wotzka & Michał Kozioł, 2021. "Measurement and Analysis of Infrasound Signals Generated by Operation of High-Power Wind Turbines," Energies, MDPI, vol. 14(20), pages 1-21, October.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:20:p:6544-:d:654173
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    References listed on IDEAS

    as
    1. Jinlei Lv & Wenxian Yang & Haiyang Zhang & Daxiong Liao & Zebin Ren & Qin Chen, 2021. "A Feasibility Study to Reduce Infrasound Emissions from Existing Wind Turbine Blades Using a Biomimetic Technique," Energies, MDPI, vol. 14(16), pages 1-18, August.
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    Cited by:

    1. Tadeusz Wszołek & Paweł Pawlik & Maciej Kłaczyński & Bartłomiej Stępień & Dominik Mleczko & Paweł Małecki & Krzysztof Rozwadowski, 2022. "Experimental Verification of Windshields in the Measurement of Low Frequency Noise from Wind Turbines," Energies, MDPI, vol. 15(20), pages 1-22, October.

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