Nickpay,M , , Danaie,M , , Amirabadi,R , , Yari,V , and Goudarzikia,K . "UHF Detection of Partial Discharge in High-Voltage Air Insulated Switchgear Using Improved Vivaldi Antenna", Journal of Modeling and Simulation in Electrical and Electronics Engineering, 5, 2, 2025, 11-17. doi: 10.22075/mseee.2025.35958.1189