Cable diagnostics methods for determining degradation caused by renewable energy productionKiitam, Ivar; Taklaja, Paul; Niitsoo, Jaan; Hyvonen, Petri2015 IEEE 5th International Conference on Power Engineering, Energy and Electrical Drives (POWERENG) : proceedings : May 11-13, 2015, Riga, Latvia2015 / p. 220-224 : ill 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 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 Diagnostics analysis of partial discharge events of the power cables at various voltage levels using ramping behavior analysis methodMishra, Sambeet; Singh, Praveen Prakash; Kiitam, Ivar; Shafiq, Muhammad; Palu, Ivo; Bordin, ChiaraElectric power systems research2024 / art. 109988 https://doi.org/10.1016/j.epsr.2023.109988 Doktoriõpe on hea koostöö õppuri ja juhendaja vahelSarv, Mari ÖöMente et Manu2022 / lk. 18-19 : fot https://www.ester.ee/record=b1242496*est Effect of electrode shape on medium voltage covered conductor insulation durability under electric stressKiitam, Ivar; Taklaja, Paul; Tuttelberg, Kaur59th Annual International Scientific Conference on Power and Electrical Engineering : November 12, 13, 2018, Riga Technical University (RTUCON) : conference proceedings2018 / 6 p. : ill https://doi.org/10.1109/RTUCON.2018.8659862 Electric field distribution in glass and porcelain pin insulators [Electronic resource]Taklaja, Paul; Kiitam, Ivar; Niitsoo, Jaan; Hyvönen, Petri; Klüss, Joni2015 IEEE 15th International Conference on Environment and Electrical Engineering : conference proceedings : June 10-13, 2015, Rome2015 / p. 267-271 : ill. [CD-ROM] http://dx.doi.org/10.1109/EEEIC.2015.7165550 Electrical and mechanical properties of service-aged medium voltage porcelain support insulatorsKiitam, Ivar; Saarna, Mart; Taklaja, Paul; Tealane, Marko; Palu, Ivo2020 6th IEEE International Energy Conference (ENERGYCon)2020 / p. 702-706 https://doi.org/10.1109/ENERGYCon48941.2020.9236596 Energeetikateaduskonna kevadekskursioon Soome: Loviisa tuumajaam ja Aalto ÜlikoolSeppi, Siim; Kiitam, IvarStudioosus2013 / lk. 15 Identification and location of PD defects in medium voltage underground power cables using high frequency current transformerShafiq, Muhammad; Kiitam, Ivar; Taklaja, Paul; Kütt, Lauri; Kauhaniemi, Kimmo; Palu, IvoIEEE Access2019 / art. 8771171, p. 103608 - 103618 : ill https://doi.org/10.1109/ACCESS.2019.2930704 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS Improved quantification of partial discharges for reliable diagnostics of multipath connections in MV substationsShafiq, Muhammad; Kiitam, Ivar; Isa, Muzamir; Taklaja, Paul; Palu, Ivo; Kütt, Lauri2021 IEEE 62nd International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON)2021 / 6 p https://doi.org/10.1109/RTUCON53541.2021.9711585 Insulation durability and measurement of partial discharge = Isolatsiooni vastupidavus ja osalahenduste mõõtmineKiitam, Ivar2021 https://www.ester.ee/record=b5473274*est https://digikogu.taltech.ee/et/Item/401e6d0b-f51d-488f-b0d6-2e2bdb8f9496 https://doi.org/10.23658/taltech.62/2021 Investigation of partial discharge characteristics in XLPE cable insulation under increasing electrical stressChoudhary, Maninder; Shafiq, Muhammad; Kiitam, Ivar; Palu, Ivo; Hassan, Waqar; Singh, Praveen PrakashEngineering failure analysis2024 / art. 108006 https://doi.org/10.1016/j.engfailanal.2024.108006 Modelling EVs in residential distribution grid with other nonlinear loads [Electronic resource]Niitsoo, Jaan; Taklaja, Paul; Palu, Ivo; Kiitam, Ivar2015 IEEE 15th International Conference on Environment and Electrical Engineering : conference proceedings : June 10-13, 2015, Rome2015 / p. 1543-1548 : ill. [CD-ROM] http://dx.doi.org/10.1109/EEEIC.2015.7165401 Negative and positive lightning impulse flashover voltages of service-aged medium voltage porcelain support insulatorKiitam, Ivar19th International Symposium “Topical problems in the field of electrical and power engineering. Doctoral school of energy and geotechnology. III” : Tartu, Estonia, January 14-17, 20202020 / p. 159-160 : ill https://www.ester.ee/record=b5291755*est 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 comparison of PD data acquisition techniques for condition monitoring of medium voltage cablesShafiq, Muhammad; Kiitam, Ivar; Kauhaniemi, Kimmo; Taklaja, Paul; Kütt, Lauri; Palu, IvoEnergies2020 / art. 4272, 14 p. : ill https://doi.org/10.3390/en13164272 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS 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 Precision and accuracy of pulse propagation velocity measurement in power cablesKiitam, Ivar; Shafiq, Muhammad; Choudhary, Maninder; Parker, Martin; Palu, Ivo; Taklaja, PaulEnergies2023 / art. 2702 https://doi.org/10.3390/en16062702 A review of aging models for electrical insulation in power cablesChoudhary, Maninder; Shafiq, Muhammad; Kiitam, Ivar; Hussain, Amjad; Palu, Ivo; Taklaja, PaulEnergies2022 / Art. nr. 3408 https://doi.org/10.3390/en15093408 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS Strength analysis of medium voltage overhead line crossarms for updating conductorKiitam, Ivar; Taklaja, Paul; Pohlak, Meelis; Põdra, Priit; Palu, Ivo2019 Electric Power Quality and Supply Reliability Conference (PQ) & 2019 Symposium on Electrical Engineering and Mechatronics (SEEM), Kärdla, Estonia, June 12-15, 2019 : proceedings2019 / 6 p. : ill https://doi.org/10.1109/PQ.2019.8818235 Study of the behaviour of partial discharges for proactive diagnostics in medium voltage cablesShafiq, Muhammad; Kiitam, Ivar; Taklaja, Paul; Parker, Martin; Palu, Ivo; Kütt, Lauri2021 IEEE PES/IAS PowerAfrica, PowerAfrica 20212021 / p. 1-5 https://doi.org/10.1109/PowerAfrica52236.2021.9543233 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 Test method for determining radiation absorptivity and emissivity coefficients of ACSR conductorsKiitam, Ivar18th International Symposium "Topical Problems in the Field of Electrical and Power Engineering". Doctoral School of Energy and Geotechnology III : Toila, Estonia, January 14-19, 2019 : [proceedings]2019 / p. 185-186 : ill https://www.ester.ee/record=b5183874*est Test setup for measuring medium voltage power cable and joint temperature in high current tests using thermocouples [Online resource]Taklaja, Paul; Kiitam, Ivar; Hyvönen, Petri; Klüss, Joni34th Electrical Insulation Conference : Hotel Bonaventure, Montreal, Qc, Canada, 19-22 June 2016 : proceedings2016 / p. 480-483 : ill https://doi.org/10.1109/EIC.2016.7548642 Tuumaenergiahuvilistel tuleb piiri taha sõitaKiitam, IvarInseneeria2013 / lk. 34-35 : ill Töövarjupäeva kokkuvõte : [esseevõistluse võitnud töö]Kiitam, IvarElektriala2012 / lk. 24-25 : ill Variability of high voltage circuit breaker performance parameters for condition monitoringAsefi, Sajjad; Kiitam, Ivar; Manninen, Henri; Kilter, Jako; Tealane, Marko; Landsberg, MartInternational Conference on Condition Monitoring, Diagnosis and Maintenance 2023 - CMDM 2023 (7th edition), Bucharest, Romania, October 31th - November 2nd, 2023 : proceedings2023 / p. 1-10 Voltage withstand properties of the insulation of different types of medium voltage covered overhead line conductorsKiitam, Ivar; Taklaja, Paul; Tuttelberg, Kaur2018 19th International Scientific Conference on Electric Power Engineering (EPE 2018) : Brno, Czech Republic, 16 - 18 May 20182018 / p. 18-21 : ill https://doi.org/10.1109/EPE.2018.8396011