Dr (Mrs). J.V.U.P. Jayatunga

Contact information

Address

Moratuwa

10400

Office
Extension
3202
Residence
Mobile
Other Emails
upuli@elect.mrt.ac.lk
upulij@gmail.com

Teaching and Administrative Activities

Teaching

EE2013 Circuit Theory

EE2033 Power systems I

EE4033 Power Systems IV

EE2023 Electrical Machines and Drives I

EE5105 Advanced Power Quality Modelling and Analysis

EE5093 Power system planning and Operation

EE5053 Energy Efficiency, Demand Management and Conservation

Administrative Activities
Course Coordinator - MSc in Electrical Engineering
DICB Coordinator - Dept of Electrical Engineering

Research Activities

Key Research Areas
Power Quality
Power System Modelling and Analysis
Power System Protection and Control
Power system economics

Education and Training

Education
BSc Engineering, University of Moratuwa
MSc, University of Moratuwa
PhD, University of Wollongong, Australia
Training / Work Experience
Electrical Engineer, Lanka Transsformers Pvt. Ltd. 2003-2005

Career

Professional Affiliations
C Eng, MIE, Institution of Engineers (IESL), Sri Lanka
Professional Activities
Honorary Fellow, School of Electrical, Computer and Telecommunications Engineering, University of Wollongong, Australia

Honours and Awards

Honours and Awards
IPRS (International Postgraduate Research Scholarship) in 2010

Publications*

Publications
  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. 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, 9 (11), 1069-1076, 2015.
  4. 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 , 73, 329-339, Dec 2015.
  5. 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.

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.
  8. A. P. S. G. De Vas Gunawardena, N. T. Ranatunga, L. L. Samarathunga, S. D. T. Weerawansha, U. Jayatunga, "Three phase asymmetrical power flow algorithm using current injection technique",  IEEE 1st Electrical Engineering Conference (EECon), 37 - 42, Dec 2016.
  9. P Sudasinghe, U Jayatunga, DP Wadduwage, S Perera, "Analysis of the Performance of Three Phase Induction Motor under Supply Source Unbalance",  Annual Transactions of IESL, 2016

Ongoing Research

Operating performance of three phase induction motors under the supply source unbalance - joint PhD between University of Moratuwa and University of Wollongong, Australia. Research Supervisors: Prof. Sarath Perera (UOW). 

Maximizing Plug-in Electric Vehicle Penetration in Power Distribution Network
Year: 2015-2016

Power Quality issues with large scale solar integrations to distribution networks

Solar PV and battery storage modeling for grid connected power systems 

High Frequency harmonics in Distribution systems (PhD supervision at UOW)

Voltage unbalance state estimation (PhD supervision at UOW) 
 

Other Details