Characterization of corona and internal partial discharge under increasing electrical stress using time domain analysisShafiq, Muhammad; Kiitam, Ivar; Taklaja, Paul; Hussain, Amjad; Kütt, Lauri; Kauhaniemi, Kimmo2020 IEEE Electrical Insulation Conference : EIC 20202020 / vol. 217−220 https://doi.org/10.1109/EIC47619.2020.9158701 Investigating the progression of insulation degradation in power cable based on partial discharge measurementsHassan, Waqar; Shafiq, Muhammad; Hussain, Ghulam Amjad; Choudhary, Maninder; Palu, IvoElectric power systems research2023 / art. 109452 https://doi.org/10.1016/j.epsr.2023.109452 Partial discharge pulse shape analysis for progression of insulation degradation in medium voltage cableChoudhary, Maninder; Shafiq, Muhammad; Kiitam, Ivar; Palu, Ivo; Hassan, Waqar2023 International Electrical Engineering Congress (iEECON)2023 / p. 332-336 https://doi.org/10.1109/iEECON56657.2023.10126589 Performance evaluation of additive manufacturing based test samples for studies of defects in electrical insulationShafiq, Muhammad; Taklaja, Paul; Kiitam, Ivar; Tiismus, Hans; Palu, Ivo; Kütt, Lauri2021 International Conference on Electrical, Computer and Energy Technologies (ICECET)2021 / 6 l https://doi.org/10.1109/ICECET52533.2021.9698476 Study on the progression of surface partial discharge in power cablesChoudhary, Maninder; Shafiq, Muhammad; Kiitam, Ivar; Palu, Ivo; Taklaja, Paul2022 IEEE 63th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON): conference proceedings2022 / 6 p https://doi.org/10.1109/RTUCON56726.2022.9978804