Case study: A type of low-noise power capacitor based on combined microperforated panels
Power capacitors of high-voltage alternating/direct current transmission systems have become one of the main community noise sources because of their large number and because they employ ultrahigh voltage and power. According to the broadband noise characteristics of power capacitors
and based on the theory of combined microperforated panels, a low-noise capacitor with broadband sound absorption is designed and machined. Noise comparison tests were conducted between the modified and conventional capacitors in a semi-anechoic chamber. The results indicate that the proposed
low-noise capacitor with combined microperforated panels provides a good alternative for low-noise design of power capacitors.
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Document Type: Research Article
Affiliations: School of Mechanical Engineering, Hefei University of Technology
Publication date: 01 November 2022
NCEJ is the pre-eminent academic journal of noise control. It is the Journal of the Institute of Noise Control Engineering of the USA. Since 1973 NCEJ has served as the primary source for noise control researchers, students, and consultants.
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