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Measurement and analysis of sound radiation from coherently vibrating shunt reactors

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Abstract

In parallel with the rapid development of ultra-high voltage (UHV) power transmission systems, noise contamination radiated from UHV shunt reactors is becoming an urgent concern. This investigation explored the distributed structural vibration of reactors and their near-field and far-field sound radiation characteristics based on a thorough on-site measurement and a combined numerical method. The proposed method could realize sound field reconstruction of on-site shunt reactors by directly measuring their surface vibration, thus avoiding complex modelling with fluid-structure interactions and multi-physics problems. Furthermore, the combined method was utilized to investigate the effect of acoustical environments upon reactors’ sound radiation. The results show that reflection boundaries composed of firewalls among reactor units could introduce a higher noise level in the parallel radiation region due to their influence on the sound source directivity. Finally, the sound power levels of the on-site reactors were derived from the constructed sound field, which could avoid on-site background noise concerns in the current executive standards.

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Authors and Affiliations

  1. College of Biomedical Engineering & Instrumental Science, Zhejiang University, Hangzhou, Zhejiang, 310027, China

    Yuxing Wang, Ming Jin & Jie Pan

  2. State Key Laboratory of Power Grid Environmental Protection, Wuhan, Hubei, 430074, China

    Yanzhao Wang & B. Zhou

Authors
  1. Yuxing Wang
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  2. Ming Jin
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  3. Yanzhao Wang
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  4. B. Zhou
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  5. Jie Pan
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Corresponding author

Correspondence to Yuxing Wang.

Additional information

Recommended by Associate Editor Sungsoo Na

Yuxing Wang graduated at the University of Western Australia in 2015 with a Ph.D. degree. He is currently a Lecturer at Zhejiang University, and his research interests include transformer/reactor condition monitoring and their noise and vibration control.

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Wang, Y., Jin, M., Wang, Y. et al. Measurement and analysis of sound radiation from coherently vibrating shunt reactors. J Mech Sci Technol 33, 149–156 (2019). https://doi.org/10.1007/s12206-018-1215-4

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  • DOI: https://doi.org/10.1007/s12206-018-1215-4

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