Negative corona inception voltages in rod-plane gaps at various air pressures and humidities
作者： Xingming Bian , Xiaobo Meng , Liming Wang , J. M. K. Macalpine , Zhicheng Guan
DOI: 10.1109/TDEI.2011.5739468
关键词:
摘要: The variation of negative dc corona inception voltages with air pressure and humidity, using a point/plane electrode system, was studied perspex chamber in which the humidity could be varied. A method calculation developed to determine over range pressures humidities. effective ionization coefficient calculated as linear interpolation coefficients for dry water vapor. validity these calculations confirmed by series experimental determinations same comparison positive mechanisms also made. Both decreased decrease an increase humidity. greater values intensity found critical zone accounted their lower voltages. affect photo-absorption Townsend's second on were considered.
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