Effect of Surface Curvature of Needle-to-Plane Electrode on Fluctuation of DC Corona Pulse

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  • 直流コロナパルスの揺らぎにおける電極曲率半径の影響
  • チョクリュウ コロナ パルス ノ ユラギ ニ オケル デンキョク キョクリツ

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Abstract

Comvination factor of corona pulse generation time is neglected in analog signal processing methods, or affects of electric field due to surface of electrode are shown without quantitative analysis.<br>This paper describes relation between effect of surface curvature of electrodes and fluctuation of DC corona discharge measured in sequency domain using discrete Walsh transformation.<br>In digital signal processing, both amplitude and time duration of the measured corona pulses are transformed to the signal with the constant value. And after, the signal is transformed by the Walsh sequences regions.<br>Corona pulses which are generated from electrodes set up large surface curvature have more wide frequency spectrum than ones of the small curvature. It is clear that surface curvature have an effect of fluctuation from proposing the digital processing by use of the Walsh transformation.

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