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Sarath sisira kumara
Sarath sisira kumara
Senior Scientist, Hitachi Energy Research Sweden
Verified email at hitachienergy.com
Title
Cited by
Cited by
Year
DC flashover characteristics of a polymeric insulator in presence of surface charges
S Kumara, S Alam, IR Hoque, YV Serdyuk, SM Gubanski
IEEE Transactions on Dielectrics and Electrical Insulation 19 (3), 1084-1090, 2012
1582012
Surface charge decay on polymeric materials under different neutralization modes in air
S Kumara, YV Serdyuk, SM Gubanski
IEEE Transactions on Dielectrics and Electrical Insulation 18 (5), 1779-1788, 2011
1132011
Surface charge decay on HTV silicone rubber: effect of material treatment by corona discharges
S Kumara, B Ma, YV Serdyuk, SM Gubanski
IEEE Transactions on Dielectrics and Electrical Insulation 19 (6), 2189-2195, 2012
872012
Over current protection coordination of distribution networks with fault current limiters
J Kumara, A Atputharajah, JB Ekanayake, FJ Mumford
2006 IEEE Power Engineering Society General Meeting, 8 pp., 2006
712006
Simulation of surface charge effect on impulse flashover characteristics of outdoor polymeric insulators
S Kumara, YV Serdyuk, SM Gubanski
IEEE Transactions on Dielectrics and Electrical Insulation 17 (6), 1754-1763, 2010
672010
Charging of polymeric surfaces by positive impulse corona
S Kumara, YV Serdyuk, SM Gubanski
IEEE transactions on Dielectrics and Electrical Insulation 16 (3), 726-733, 2009
552009
Surface charges on cylindrical polymeric insulators
S Kumara, IR Hoque, S Alam, YV Serdyuk, SM Gubanski
IEEE Transactions on Dielectrics and Electrical Insulation 19 (3), 1076-1083, 2012
432012
Repurposing Poly (3‐hexylthiophene) as a Conductivity‐Reducing Additive for Polyethylene‐Based High‐Voltage Insulation
AM Pourrahimi, S Kumara, F Palmieri, L Yu, A Lund, T Hammarström, ...
Advanced Materials 33 (27), 2100714, 2021
292021
Performance analysis of natural esters as transformer liquid insulation—Coconut, castor and sesame oils
W Naranpanawe, M Fernando, J Kumara, E Naramapanawa, CS Kalpage
2013 IEEE 8th International Conference on Industrial and Information Systems …, 2013
292013
Surface potential decay on LDPE and LDPE/Al 2 O 3 nano-composites: Measurements and modeling
SMG JRSS Kumara, Yuriy V Serdyuk
IEEE Transactions on Dielectrics and Electrical Insulation 23 (6), 3466-3475, 2016
282016
Electrical charges on polymeric insulator surfaces and their impact on flashover performance
S Kumara
Chalmers University of Technology, 2012
262012
Performance of outdoor insulators in tropical conditions of Sri Lanka
S Kumara, M Fernando
IEEE Electrical Insulation Magazine 36 (4), 26-35, 2020
242020
Electrical characterization of a new crosslinked copolymer blend for DC cable insulation
S Kumara, X Xu, T Hammarström, Y Ouyang, AM Pourrahimi, C Müller, ...
Energies 13 (6), 1434, 2020
212020
Application of streamer criteria for calculations of flashover voltages of gaseous insulation with solid dielectric barrier
M Ramesh, R Summer, S Singh, Y Serdyuk, S Gubanski, S Kumara
Proceedings of 18th International Symposium on High Voltage Engineeirng, Aug …, 2013
212013
Calculation of electric fields in HVDC cables: Comparison of different models
S Kumara, YV Serdyuk, M Jeroense
IEEE Transactions on Dielectrics and Electrical Insulation 28 (3), 1070-1078, 2021
192021
Click chemistry type crosslinking of a low‐conductivity polyethylene copolymer ternary blend for power cable insulation
M Mauri, AI Hofmann, D Gómez‐Heincke, S Kumara, AM Pourrahimi, ...
Polymer International, 2020
192020
Comparison of supervised machine learning techniques for PD classification in generator insulation
H Herath, J Kumara, M Fernando, K Bandara, I Serina
2017 IEEE International Conference on Industrial and Information Systems …, 2017
192017
Moisture estimation of transformer pressboard by micro-strip ring resonator at GHz frequencies
W Samarasinghe, J Kumara, M Fernando, ACM Ahamed, ...
IEEE Transactions on Dielectrics and Electrical Insulation 23 (3), 1409-1417, 2016
172016
Aging assesment of transformer pressboard insulation by micro-strip ring resonator at GHz frequencies
W Samarasinghe, J Kumara, M Fernando, AUAW Gunawardena
IEEE Transactions on Dielectrics and Electrical Insulation 24 (3), 1923-1930, 2017
162017
Modeling and assessment of lightning hazards to humans in heritage monuments in India and Sri Lanka
V Srinivasan, M Fernando, S Kumara, T Selvaraj, V Cooray
IEEE Access 8, 228032-228048, 2020
142020
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