Research & Publications

Research Interests

• Power quality
• Power system modelling & analysis
• Power system economics
• Power system protection

Publications

International Journals

1. U. Jayatunga, S. Perera and P. Ciufo, "Voltage Unbalance Emission Assessment in Radial Power Systems", IEEE Transactions on Power Delivery, vol.27, no.3, pp.1653-1661, July 2012.
2. U. Jayatunga, S. Perera, P. Ciufo and A. P. Agalgaonkar, “Voltage Unbalance Emission Assessment in Interconnected Power Systems", IEEE Transactions on Power Delivery, vol.28, no.4, pp.2383,2393, Oct. 2013.
3. JVUP Jayatunga, PSN De Silva, JP Karunadasa “Fault localization using Wavelet Transforms in 132 kV transmission lines”, Journal of the Institution of Engineers, Sri Lanka, Volume 42, No. 04, October 2009, pp 95 – 104.
4. U. Jayatunga, S. Perera, P. Ciufo and A. P. Agalgaonkar, “Deterministic methodologies for the quantification of Voltage Unbalance Emission Propagation in Radial and Interconnected Networks", IET Generation, Transmission & Distribution - under review.
5. U. Jayatunga, S. Perera, P. Ciufo and A. P. Agalgaonkar, “A Refined general summation Law for VU emission Assessment of Radial Power Systems”, International Journal of Electrical Power and Energy Systems – under review.

Conference Proceedings

1. U. Jayatunga, S. Perera and P. Ciufo and A. P. Agalgaonkar, “Voltage Unbalance Emission Assessment in Interconnected Power Systems", IEEE Power Engineering Society general meeting (PES GM 2014), Washington, USA, July 2014.
2. U. Jayatunga, S. Perera, P. Ciufo and A. P. Agalgaonkar, “A Review of Recent Investigations on Voltage Unbalance Management: Further Contributions to Improvement of IEC/TR 61000-3-13:2008”, Accepted for publication in IEEE 16th International Conference on Harmonics and Quality of Power, May 2014
3. U. Jayatunga, S. Perera, P. Ciufo and A. P. Agalgaonkar, “Voltage Unbalance Emission assessment: Sources of Contribution and their Ranking", Australasian Universities Power Engineering Conference (AUPEC 2013),Tasmania, Australia, October 2013.
4. U. Jayatunga, S. Perera and P. Ciufo, "Voltage Unbalance Emission Assessment in Radial Power Systems", IEEE Power Engineering Society general meeting (PES GM 2013), Vancouver, Canada, July 2013.
5. U. Jayatunga, S. Perera and P. Ciufo,  "Impact of Mains Connected Three-phase Induction Motor Loading levels on Network Voltage Unbalance Attenuation", IEEE International Conference on Power System Technology (POWERCON-2012), Oct.-Nov 2012.
6. U. Jayatunga, S. Perera, and P. Ciufo, "Voltage unbalance management in power systems based on IEC 61000-3-13:2008: Implications on the use of ‘kuE factor’", IEEE 15th International Conference on Harmonics and Quality of Power (ICHQP), pp.936-942, June 2012.
7. P. Paranavithana, U. Jayatunga, S. Perera and P. Ciufo, "A review of recent investigations with reference to IEC/TR 61000-3-13 on voltage unbalance emission allocation,"  IEEE 14th International Conference on Harmonics and Quality of Power (ICHQP), pp.1-8, 26-29 Sept. 2010.