パーソナルコンピュータを用いた雷インパルス電圧波形の自動平滑化法

概要

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Actual wave shapes of impulse voltages include noise such as small oscillations or spike-like fluctuations, in general. The theoretical analysis of the wave shapes above needs filtering out such kinds of noise. The author proposes an automated-smoothing procedure for exactly determining the special points, i. e., crest point and zero point from actual wave shapes by using personal computer. A most suitable relationship between the sampling interval and the sampling number per time interval is found for smoothing. This is performed using theoretical impulse voltage shapes with noise above and gives good results. Finally, it is shown that this method is a very powerful tool for processing information in practical lightning impulse voltage tests.
東海大学の論文