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Prony analysis technique for estimation of the mean curve of lightning impulses

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1 Author(s)
E. A. Feilat ; Electr. Power Eng. Dept., Yarmouk Univ., Irbid, Jordan

This paper presents a novel technique for the determination of the parameters of the lightning impulse. Prony analysis is applied to analytical lightning impulse waveforms with oscillations and/or overshoots to decompose the waveform into its modal components. The mean curve of the lightning impulse is then reconstructed using a double exponential model after removing all high-frequency and damped components from the simulated impulse. Three cases of lightning impulse waveforms were investigated, including standard lightning impulse, lightning impulse with front and peak oscillations, and lightning impulse with overshoot. The simulation results show that the technique is applicable and easy to implement

Published in:

IEEE Transactions on Power Delivery  (Volume:21 ,  Issue: 4 )