負極性直流沿面放電における表面空間電荷のコロナ電圧と電流周波数に与える影響*

概要

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Measures of the Voltage vs. Current and Current vs. Frequency of Current characteristics of atmospheric discharges were made. Surface discharges with and without a backing electrode using the needle-to-blade of a razor gap were also taken. The experiments were performed in dry air of 6.5-6.7％ relative humidity at 101.32 kPa pressure. Acryl resin was used in the sample plates as the electrical insulator. In the results, the voltages vs. Current characteristics of the surface discharge had nearly the same curve as that of the atmospheric discharge, and a 115-143％ higher voltage region than that of the atmospheric discharge. This rise of voltage was determined by surface space charges accumulated on the insulator. The Current vs. Frequency of Current characteristics of the surface discharge had nearly the same curve as that of the atmospheric discharge. This was about 100−300 kHz lower in frequency region than the atmospheric discharge
北見工業大学の論文