IEEJ Transactions on Power and Energy
Online ISSN : 1348-8147
Print ISSN : 0385-4213
ISSN-L : 0385-4213
Paper
Synergy Effect in Electrical Insulation Characteristics of N2O Gas Mixtures
Naoki HayakawaOsamu KinoshitaHiroki KojimaFumihiro EndoMasanobu YoshidaTatsuya OgawaHitoshi Okubo
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2006 Volume 126 Issue 11 Pages 1164-1170

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Abstract

This paper discusses partial discharge (PD) and breakdown (BD) characteristics of N2O gas and N2O gas mixtures as SF6 substitutes as a function of gas pressure and N2O content for quasi-uniform and non-uniform electric field under lightning impulse and ac voltage application. Experimental results revealed the significant positive synergism in breakdown strength of N2O30%/CO270% and N2O30%/CO250%/O220% gas mixtures under quasi-uniform electric field. Furthermore, corona stabilization effect in N2O30%/CO270% gas mixtures under non-uniform electric field was discussed and suggested to be activated due to the combination of electronegative N2O and CO2 gases.

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© 2006 by the Institute of Electrical Engineers of Japan
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