Modification of arms patch of double layer printed antenna for partial discharge detection

Abstract

Partial discharge is a local electrification phenomenon that partially connects the insulation between the conductors and occurs either on the surface of the conductor or inside the conductor (void). PD generates several phenomena that accompany the occurrence of PD, such as impulse currents, hot light radiation, electromagnetic waves, mechanical waves, and chemical processes. This phenomenon is captured to know the existence of PD. One of the PD measurements uses the UHF method, i.e., by measuring the waves generated by the partial discharge. The antenna is one form of antenna developed from a square microstrip antenna with symmetrical T-shaped tethering. Antenna parameters can result in changes in return loss and VSWR measurements. The parameter change is done on three parameters, i.e. (A, B and G) showing the difference to the reference antenna. The experimental results show a change in antenna bandwidth.