Effect of humidity on the breakdown characteristics of air in uniform field for the very low frequency (vlf) band

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

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

The paper reports about the role of humidity and frequency on the electrical breakdown of air in uniform field gaps. Experiments were conducted on Rogowski profile electrodes with gap lengths ranging from 5 to 53 mm at power frequency (60 Hz) and frequencies in the range of 18-50 kHz, corresponding to the VLF/LF bands used for long-range communication. The results show that breakdown voltage at VLF decreases with humidity, opposite to that observed at 60 Hz. Breakdown mechanisms for explaining this important phenomenon are proposed. A correction factor to calculate breakdown voltage as a function of humidity for VLF is presented.

Original languageEnglish (US)
Article number5293953
Pages (from-to)1397-1403
Number of pages7
JournalIEEE Transactions on Dielectrics and Electrical Insulation
Volume16
Issue number5
DOIs
StatePublished - Oct 2009

Fingerprint

Frequency bands
Atmospheric humidity
Electric breakdown
Air
Electrodes
Communication
Experiments

Keywords

  • Absolute humidity
  • Air
  • Antenna
  • Electric breakdown
  • High voltage
  • Humidity
  • Radio frequency
  • Relative humidity
  • Very Low Frequency
  • VLF

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

Cite this

Effect of humidity on the breakdown characteristics of air in uniform field for the very low frequency (vlf) band. / Rodriguez, D.; Gorur, R. S.; Hansen, P. M.

In: IEEE Transactions on Dielectrics and Electrical Insulation, Vol. 16, No. 5, 5293953, 10.2009, p. 1397-1403.

Research output: Contribution to journalArticle

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