Investigation of high voltage electrical breakdown of pressurized glycol/water mixture with microsecond charging

zhang zi-cheng; zhang jian-de; yang jian-hua; zhou xiang

Volume 17 Issue 08

Aug. 2005

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Article Navigation > High Power Laser and Particle Beams > 2005 > 17(08): 0-

liu xiao long, liu guo zhi, wang wen bing. Radiant characteristics of TEM horn with constant impedance[J]. High Power Laser and Particle Beams, 2003, 15.

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zhang zi-cheng, zhang jian-de, yang jian-hua, et al. Investigation of high voltage electrical breakdown of pressurized glycol/water mixture with microsecond charging[J]. High Power Laser and Particle Beams, 2005, 17.

liu xiao long, liu guo zhi, wang wen bing. Radiant characteristics of TEM horn with constant impedance[J]. High Power Laser and Particle Beams, 2003, 15.

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Investigation of high voltage electrical breakdown of pressurized glycol/water mixture with microsecond charging

1.
College of Optoelectric Science and Enginnering,National University of Defense Technology,Changsha 410073,China

Publish Date: 2005-08-15

Abstract

Abstract

By means of coaxial apparatus, a high electrical voltage breakdown experiment for pressurized glycol/water mixture with microsecond charging is carried out. The experimental results are presented and analyzed. The conclusions are shown as follows: the breakdown strength increases with the hydrostatic pressure to the one eighth power; the coefficient in Martin formula increases with increasing glycol concentration; the highest breakdown stress of 235.5 kV/cm observed in the glycol/water mixture of glycol concentration of 80% at a hydrostatic pressure of 12×105 Pa is 112.2% higher than that in pure water at constant pressure; it is accumulative for the pressurization and glycol addition for the capability to improve electrical breakdown strength of water dielectric, and the pressurization i
- high electrical breakdown,
- pressurized glycol/water mixture,
- microsecond charging

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