Unknown PD distinction in HVAC/HVDC by antenna-sensor with pulse sequence analysis oleh S. M. Kayser Azam, Mohamadariff Othman, Hazlee Azil Illias, Tarik Abdul Latef, Daniar Fahmi, Wong Jee Keen Raymond, Wan Nor Liza Wan Mahadi, A. K. M. Zakir Hossain, M.Z.A. Abd. Aziz, Ahmad Ababneh