Very Low Frequency (VLF) breakdown of air in non-uniform fields for varying humidity conditions

D. Rodríguez, R. S. Gorur, P. M. Hansen

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

2 Citations (Scopus)

Abstract

The effect of humidity on the breakdown voltage of air for frequencies in the kilo-Hertz range is largely unknown, especially for larger dimensions. This is of interest for high-power communication towers that can operate in a variety of climates. The very low frequency (VLF) and low frequency (LF) bands are used for long distance communication in the range of 10-30 kHz and 30-100 kHz, respectively. Results are reported for rod/rod gaps and rod/plane gaps in the range of 125-1000 mm at a frequency of 30 kHz. The breakdown voltage at 30 kHz is observed to be markedly lower than that at 60 Hz for non-uniform field configurations with corona pre-discharges. Electric field calculations have been completed for the experimental configurations to attempt to explain the difference in breakdown voltage.

Original languageEnglish (US)
Title of host publicationAnnual Report - Conference on Electrical Insulation and Dielectric Phenomena, CEIDP
Pages621-624
Number of pages4
DOIs
StatePublished - 2009
Event2009 Annual Report Conference on Electrical Insulation and Dielectric Phenomena, CEIDP - Virginia Beach, VA, United States
Duration: Oct 18 2009Oct 21 2009

Other

Other2009 Annual Report Conference on Electrical Insulation and Dielectric Phenomena, CEIDP
CountryUnited States
CityVirginia Beach, VA
Period10/18/0910/21/09

Fingerprint

Electric breakdown
Atmospheric humidity
Air
Communication
Towers
Frequency bands
Electric fields

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

Cite this

Rodríguez, D., Gorur, R. S., & Hansen, P. M. (2009). Very Low Frequency (VLF) breakdown of air in non-uniform fields for varying humidity conditions. In Annual Report - Conference on Electrical Insulation and Dielectric Phenomena, CEIDP (pp. 621-624). [5377706] https://doi.org/10.1109/CEIDP.2009.5377706

Very Low Frequency (VLF) breakdown of air in non-uniform fields for varying humidity conditions. / Rodríguez, D.; Gorur, R. S.; Hansen, P. M.

Annual Report - Conference on Electrical Insulation and Dielectric Phenomena, CEIDP. 2009. p. 621-624 5377706.

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

Rodríguez, D, Gorur, RS & Hansen, PM 2009, Very Low Frequency (VLF) breakdown of air in non-uniform fields for varying humidity conditions. in Annual Report - Conference on Electrical Insulation and Dielectric Phenomena, CEIDP., 5377706, pp. 621-624, 2009 Annual Report Conference on Electrical Insulation and Dielectric Phenomena, CEIDP, Virginia Beach, VA, United States, 10/18/09. https://doi.org/10.1109/CEIDP.2009.5377706
Rodríguez D, Gorur RS, Hansen PM. Very Low Frequency (VLF) breakdown of air in non-uniform fields for varying humidity conditions. In Annual Report - Conference on Electrical Insulation and Dielectric Phenomena, CEIDP. 2009. p. 621-624. 5377706 https://doi.org/10.1109/CEIDP.2009.5377706
Rodríguez, D. ; Gorur, R. S. ; Hansen, P. M. / Very Low Frequency (VLF) breakdown of air in non-uniform fields for varying humidity conditions. Annual Report - Conference on Electrical Insulation and Dielectric Phenomena, CEIDP. 2009. pp. 621-624
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