Abstract

This paper presents a new technique based on nonlinear least square (NLSQ) algorithm for estimating the mean curve and parameters of the standard lightning impulse (LI) waveform as required by IEC 60 and IEEE Std. 4. The proposed NLSQ technique is applied to analytical LI waveforms to estimate the mean curve of the impulse using a bi-exponential model after removing high frequency components from the simulated (measured) impulse. The effectiveness of the proposed technique is assessed by conducting several cases of LI impulse waveforms with front and tail oscillations and LI waveform with overshoot. The results of the NLSQ technique are compared with those obtained by the particle swarm optimization (PSO) algorithm. The simulation results show that the proposed NLSQ technique is robust and effective in estimating the peak value, front and tail times of the impulse waveform accurately.

Full Text

Published Version

Talk to us

Join us for a 30 min session where you can share your feedback and ask us any queries you have

Schedule a call

Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.