Time-domain and frequency-domain characteristics of audible noise from single corona source

Xuebao Li, Xiang Cui, Tiebing Lu, Di Zhang, Zhenguo Wang, Wenzuo Ma

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)

Abstract

In this paper, the time-domain measurement method for audible noise is employed to study the time and frequency domains characteristics of audible noise generated by single corona discharge under DC and AC voltage in a coaxial geometry. The results show that in time-domain the audible noise from positive and negative corona discharge both consist of a series of random sound pressure pulses and the amplitudes of sound pressure pulses from positive corona discharge are larger than those from negative corona discharge. As for the audible noise from AC corona discharge in the test, it has a periodic component with a 50Hz fundamental frequency accompanied by sound pressure pulse trains mainly near the negative peaks of AC voltage. When the applied voltage is further increased, sound pressure pulses may be generated at the positive half-cycle. The asymmetrical waveforms in positive and negative half-cycle of AC voltage may attribute to the influence of the space charges. Besides, the discrete wavelet transform (DWT) is used to analyze the detailed characteristics and the difference of corona-generated noise and the background noise. Furthermore, the frequency-domain characteristics of audible noise from DC and AC corona are analyzed based on the time-domain results. This presented work hopefully will be a useful reference for further theoretical studies of the audible noise caused by corona discharge.

Original languageEnglish
Title of host publicationPOWERCON 2014 - 2014 International Conference on Power System Technology
Subtitle of host publicationTowards Green, Efficient and Smart Power System, Proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages1410-1416
Number of pages7
ISBN (Electronic)9781479950324
DOIs
Publication statusPublished - 2014 Jan 1
Externally publishedYes
Event2014 International Conference on Power System Technology, POWERCON 2014 - Chengdu
Duration: 2014 Oct 202014 Oct 22

Other

Other2014 International Conference on Power System Technology, POWERCON 2014
CityChengdu
Period14/10/2014/10/22

Fingerprint

Acoustic noise
Acoustic waves
Electric potential
Discrete wavelet transforms
Electric space charge
Geometry

Keywords

  • AC and DC corona discharge
  • audible noise
  • single corona source
  • time-domain and frequency-domain characteristics

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Fuel Technology
  • Renewable Energy, Sustainability and the Environment

Cite this

Li, X., Cui, X., Lu, T., Zhang, D., Wang, Z., & Ma, W. (2014). Time-domain and frequency-domain characteristics of audible noise from single corona source. In POWERCON 2014 - 2014 International Conference on Power System Technology: Towards Green, Efficient and Smart Power System, Proceedings (pp. 1410-1416). [6993722] Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/POWERCON.2014.6993722

Time-domain and frequency-domain characteristics of audible noise from single corona source. / Li, Xuebao; Cui, Xiang; Lu, Tiebing; Zhang, Di; Wang, Zhenguo; Ma, Wenzuo.

POWERCON 2014 - 2014 International Conference on Power System Technology: Towards Green, Efficient and Smart Power System, Proceedings. Institute of Electrical and Electronics Engineers Inc., 2014. p. 1410-1416 6993722.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Li, X, Cui, X, Lu, T, Zhang, D, Wang, Z & Ma, W 2014, Time-domain and frequency-domain characteristics of audible noise from single corona source. in POWERCON 2014 - 2014 International Conference on Power System Technology: Towards Green, Efficient and Smart Power System, Proceedings., 6993722, Institute of Electrical and Electronics Engineers Inc., pp. 1410-1416, 2014 International Conference on Power System Technology, POWERCON 2014, Chengdu, 14/10/20. https://doi.org/10.1109/POWERCON.2014.6993722
Li X, Cui X, Lu T, Zhang D, Wang Z, Ma W. Time-domain and frequency-domain characteristics of audible noise from single corona source. In POWERCON 2014 - 2014 International Conference on Power System Technology: Towards Green, Efficient and Smart Power System, Proceedings. Institute of Electrical and Electronics Engineers Inc. 2014. p. 1410-1416. 6993722 https://doi.org/10.1109/POWERCON.2014.6993722
Li, Xuebao ; Cui, Xiang ; Lu, Tiebing ; Zhang, Di ; Wang, Zhenguo ; Ma, Wenzuo. / Time-domain and frequency-domain characteristics of audible noise from single corona source. POWERCON 2014 - 2014 International Conference on Power System Technology: Towards Green, Efficient and Smart Power System, Proceedings. Institute of Electrical and Electronics Engineers Inc., 2014. pp. 1410-1416
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