Partial discharge calibrator of a cavity inside high-voltage insulator

Abstract This article displayed the method of partial discharge (PD) measurement in high-voltage insulator and calibrating effective element (capacitor) to enhance PD signal. The cavity shapes were plate–plate, cylindrical spherical inside solid insulator. proposed system enables from detecting reverse main discharge, respectively, through rise tail time pulses. that took place was bounded with internal cavities. Proteus simulator Matlab simulation models used measure display results showed PD-calibrated waveforms voltage values across ( V c ). Finally, this work concluded shape gave a higher value calibrated capacitor lower ) for both models.