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Power Transformer Spatial Acoustic Radiation Characteristics Analysis under Multiple Operating Conditions

Author

Listed:
  • Liming Ying

    (School of Electrical Engineering, Wuhan University, Wuhan 430072, China)

  • Donghui Wang

    (School of Electrical Engineering, Wuhan University, Wuhan 430072, China)

  • Jinwei Wang

    (School of Electrical Engineering, Wuhan University, Wuhan 430072, China)

  • Guodong Wang

    (State Grid Yantai Power Supply Company, Yantai 265199, China)

  • Xiaowen Wu

    (State Grid Hunan Electric Power Corporation Research Institute, Changsha 410007, China)

  • Jiangtao Liu

    (Department of Physics and Electrical Engineering, Hubei University of Education, Wuhan 430205, China)

Abstract

Spatial acoustic radiation characteristics analysis is the precondition of reducing the noise influence of outdoor power transformer while multi-physical field coupling method can be applied to quantify and reveal these acoustic characteristics of a running power transformer. In this study, based on the theoretical analysis about noise generation and dissemination process, an acoustic radiation model about oil-immersed power transformer was established and verified with field test data in time and frequency domain. Then, far-field analysis and directivity analysis were accomplished to characterize acoustic field of power transformer under multiple operating conditions. Finally, the acoustic radiation influence on potential surrounding buildings were analyzed and discussed. The visual results and conclusion provide acoustic guide for the optimal planning and design about both power substation and ambient buildings.

Suggested Citation

  • Liming Ying & Donghui Wang & Jinwei Wang & Guodong Wang & Xiaowen Wu & Jiangtao Liu, 2018. "Power Transformer Spatial Acoustic Radiation Characteristics Analysis under Multiple Operating Conditions," Energies, MDPI, vol. 11(1), pages 1-16, January.
    • Handle: RePEc:gam:jeners:v:11:y:2018:i:1:p:74-:d:124989
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    References listed on IDEAS

    as
    1. Hun-Chul Seo, 2017. "New Adaptive Reclosing Technique in Unbalanced Distribution System," Energies, MDPI, vol. 10(7), pages 1-16, July.
    2. Juliana Araújo Alves & Lígia Torres Silva & Paula Cristina C. Remoaldo, 2015. "The Influence of Low-Frequency Noise Pollution on the Quality of Life and Place in Sustainable Cities: A Case Study from Northern Portugal," Sustainability, MDPI, vol. 7(10), pages 1-27, October.
    3. Jen-Hao Teng & Shu-Hung Liao & Rong-Ceng Leou, 2014. "Three-Phase Harmonic Analysis Method for Unbalanced Distribution Systems," Energies, MDPI, vol. 7(1), pages 1-20, January.
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