Characteristic pulse pattern features of different types of partial discharge sources in power cablesKiitam, Ivar; Shafiq, Muhammad; Taklaja, Paul; Parker, Martin; Palu, Ivo; Kütt, LauriIEEE Power Engineering Society Conference and Exposition in Africa, PowerAfrica, IEEE PES/IAS PowerAfrica, Nairobi, Keenia, 23-27 Aug 2021 : proceedings2021 / 5 p. : ill https://doi.org/10.1109/PowerAfrica52236.2021.9543366