This study presents a numerical method based on parallel RC equivalent circuit model fitting methodology for analysis and modeling of dielectric materials.The proposed method employs gradient-descent optimization meth...This study presents a numerical method based on parallel RC equivalent circuit model fitting methodology for analysis and modeling of dielectric materials.The proposed method employs gradient-descent optimization method(GDOM)to estimate parallel RC equivalent circuit model from current waveforms by minimizing sum of squared difference(SSD)error.Estimation of parallel RC equivalent circuit parameters from measured current waveforms provides a useful tool for identification,simulation and analysis of dielectric materials.Moreover,applications of the proposed method for time and frequency analyses of dielectric materials are demonstrated numerically.Numerical simulations were presented to discuss efficiency of the proposed method for modeling,analysis and monitoring of insulator materials.展开更多
文摘This study presents a numerical method based on parallel RC equivalent circuit model fitting methodology for analysis and modeling of dielectric materials.The proposed method employs gradient-descent optimization method(GDOM)to estimate parallel RC equivalent circuit model from current waveforms by minimizing sum of squared difference(SSD)error.Estimation of parallel RC equivalent circuit parameters from measured current waveforms provides a useful tool for identification,simulation and analysis of dielectric materials.Moreover,applications of the proposed method for time and frequency analyses of dielectric materials are demonstrated numerically.Numerical simulations were presented to discuss efficiency of the proposed method for modeling,analysis and monitoring of insulator materials.
