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

doi:10.1109/TDEI.2009.5293953

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

Electrical, Computer, and Energy Engineering, School of (ECEE)

Research output: Contribution to journal › Article › peer-review

13 Scopus citations

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 language	English (US)
Article number	5293953
Pages (from-to)	1397-1403
Number of pages	7
Journal	IEEE Transactions on Dielectrics and Electrical Insulation
Volume	16
Issue number	5
DOIs	https://doi.org/10.1109/TDEI.2009.5293953
State	Published - Oct 2009

Keywords

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

ASJC Scopus subject areas

Electrical and Electronic Engineering

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10.1109/TDEI.2009.5293953

Cite this

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

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.",

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AB - 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.

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

Abstract

Keywords

ASJC Scopus subject areas

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