An investigation into electromagnetic radiation due to partial discharges in high voltage equipment based on non-contact measurements

S. Xiao, P.J. Moore, M.D. Judd, I. Portugues

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

15 Citations (Scopus)

Abstract

The non-contact PD measurement is based on wideband radiometry to detect the radiated electromagnetic waves. This paper studies the propagation characteristics of the radiation by considering a current transformer (CT) as an example in both modeling simulation and experimental tests. A three-dimensional model is established for finite element analysis of the radiated emissions from a current transformer, incorporating two kinds of insulation materials, air and transformer oil. Studies are made of the effects of the insulation material properties and the structure of the CT tank, for which frequency response and resonance are also analyzed by the finite element method. Simulation results obtained are evaluated and used together to inform the design of practical experiments. This paper describes these experiments and draws its conclusions based on their comparison, and indicates the effect of resonant frequencies on the receiving frequency spectra.
LanguageEnglish
Title of host publicationElectrical Insulation, 2008. Proceedings of the 2008 IEEE International Symposium on Electrical Insulation
PublisherIEEE
Pages567-570
Number of pages4
DOIs
Publication statusPublished - 2008

Fingerprint

Electric instrument transformers
Partial discharges
Electromagnetic waves
Insulation
Electric potential
Finite element method
Radiometry
Insulating oil
Design of experiments
Wave propagation
Frequency response
Natural frequencies
Materials properties
Radiation
Computer simulation
Air
Experiments

Keywords

  • current transformers
  • electromagnetic waves
  • finite element analysis
  • frequency response
  • partial discharge measurement
  • radiometry
  • transformer oil
  • current transformer
  • electromagnetic wave radiation
  • finite element method
  • frequency spectra
  • high voltage equipment
  • insulation materials
  • noncontact measurements
  • partial discharges
  • wideband radiometry

Cite this

Xiao, S., Moore, P. J., Judd, M. D., & Portugues, I. (2008). An investigation into electromagnetic radiation due to partial discharges in high voltage equipment based on non-contact measurements. In Electrical Insulation, 2008. Proceedings of the 2008 IEEE International Symposium on Electrical Insulation (pp. 567-570). IEEE. https://doi.org/10.1109/ELINSL.2008.4570396
Xiao, S. ; Moore, P.J. ; Judd, M.D. ; Portugues, I. / An investigation into electromagnetic radiation due to partial discharges in high voltage equipment based on non-contact measurements. Electrical Insulation, 2008. Proceedings of the 2008 IEEE International Symposium on Electrical Insulation. IEEE, 2008. pp. 567-570
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abstract = "The non-contact PD measurement is based on wideband radiometry to detect the radiated electromagnetic waves. This paper studies the propagation characteristics of the radiation by considering a current transformer (CT) as an example in both modeling simulation and experimental tests. A three-dimensional model is established for finite element analysis of the radiated emissions from a current transformer, incorporating two kinds of insulation materials, air and transformer oil. Studies are made of the effects of the insulation material properties and the structure of the CT tank, for which frequency response and resonance are also analyzed by the finite element method. Simulation results obtained are evaluated and used together to inform the design of practical experiments. This paper describes these experiments and draws its conclusions based on their comparison, and indicates the effect of resonant frequencies on the receiving frequency spectra.",
keywords = "current transformers, electromagnetic waves, finite element analysis, frequency response, partial discharge measurement, radiometry, transformer oil, current transformer, electromagnetic wave radiation, finite element method, frequency spectra, high voltage equipment, insulation materials, noncontact measurements, partial discharges, wideband radiometry",
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doi = "10.1109/ELINSL.2008.4570396",
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Xiao, S, Moore, PJ, Judd, MD & Portugues, I 2008, An investigation into electromagnetic radiation due to partial discharges in high voltage equipment based on non-contact measurements. in Electrical Insulation, 2008. Proceedings of the 2008 IEEE International Symposium on Electrical Insulation. IEEE, pp. 567-570. https://doi.org/10.1109/ELINSL.2008.4570396

An investigation into electromagnetic radiation due to partial discharges in high voltage equipment based on non-contact measurements. / Xiao, S.; Moore, P.J.; Judd, M.D.; Portugues, I.

Electrical Insulation, 2008. Proceedings of the 2008 IEEE International Symposium on Electrical Insulation. IEEE, 2008. p. 567-570.

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

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AB - The non-contact PD measurement is based on wideband radiometry to detect the radiated electromagnetic waves. This paper studies the propagation characteristics of the radiation by considering a current transformer (CT) as an example in both modeling simulation and experimental tests. A three-dimensional model is established for finite element analysis of the radiated emissions from a current transformer, incorporating two kinds of insulation materials, air and transformer oil. Studies are made of the effects of the insulation material properties and the structure of the CT tank, for which frequency response and resonance are also analyzed by the finite element method. Simulation results obtained are evaluated and used together to inform the design of practical experiments. This paper describes these experiments and draws its conclusions based on their comparison, and indicates the effect of resonant frequencies on the receiving frequency spectra.

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Xiao S, Moore PJ, Judd MD, Portugues I. An investigation into electromagnetic radiation due to partial discharges in high voltage equipment based on non-contact measurements. In Electrical Insulation, 2008. Proceedings of the 2008 IEEE International Symposium on Electrical Insulation. IEEE. 2008. p. 567-570 https://doi.org/10.1109/ELINSL.2008.4570396