Dr. Athula Dayanart Rajapakse, P.Eng.

Area

My research covers wide range of topics related to the power system protection addressing the current challenges in the industry, mainly due to unprecedented growth of renewable energy generation. Research includes areas such as wide area monitoring and control of power systems, renewable energy integration, active distribution systems and microgrids, and protection of HVDC grids. Investigations often involves new techniques such as transient based protection and application of machine learning/artificial intelligence for hard to manage problems.

Expertise

Power systems protection, Power systems analysis and simulation, Renewable energy grid integration.

Dr. Athula Rajapakse grew up and received his early education in Sri Lanka. He earned B.Sc. (Eng.) degree from the University of Moratuwa, Sri Lanka, in 1990 with first class honors, M.Eng. degree from the Asian Institute of Technology, Thailand, in 1993, and Ph.D. degree from the University of Tokyo, Japan, in 1998.
Dr. Rajapakse is currently a professor at the department of Electrical and Computer Engineering of the University of Manitoba, Canada, and leads the Intelligent Power Grid Laboratory. His research interests include power system protection, wide area protection and control, protection of future HVDC grids, and grid integration of renewable energy.
Dr. Rajapakse is a Fellow of Engineers, Canada, a registered Professional Engineer in the province of Manitoba, Canada, and a senior member of IEEE. He contributed as a member of several IEEE and the Cigre Working Groups related to power systems protection, and currently the convener of Cigre/IEEE joint working group C4/C2.62 on review of advancements in synchrophasor technology and applications. He is currently an associate editor of the International Journal of Electric Power and Energy Systems (Elsvier), Technology and Economics of Smart Grids and Sustainable Energy (Springer), and a guest editor of special issues in Electric Power Systems Research and Energies journals.

1) J Wijekoon, AD Rajapakse, “Investigation of using dynamic phasors for improving the speed of distance protection”, IET Generation, Transmission & Distribution, Vol 16, No 16, August 2022, pp 3282-3296.

2) MP Anand, B Bagen, A Rajapakse, “Reliability oriented distribution system analysis considering electric vehicles and hybrid energy resources”, International Journal of Electrical Power & Energy Systems, Vol 137, May 2022, pp 107500

3) R Kaluthanthrige, AD Rajapakse, “Two-stage framework for optimizing the operation of remote off-grid power systems under uncertainties”, International Journal of Electrical Power & Energy Systems, Vol 135, February 2022, pp 107553

4) AC Adewole, AD Rajapakse, D Ouellette, P Forsyth, “Protection of active distribution networks incorporating microgrids with multi-technology distributed energy resources”, Electric Power Systems Research Vol 202, Jan 2022, pp. 107575

5) R Kaluthanthrige, AD Rajapakse, “Evaluation of hierarchical controls to manage power, energy, and daily operation of remote off-grid power systems”, Appl Energy 2021, 299:117259

6) J Wijekoon, NM Haleem, AD Rajapakse,” Transient based faulted conductor selection method for double circuit lines”, Electric Power Systems Research, Vol 196, July 2021, pp 107256.

7) R Kaluthanthrige, AD Rajapakse,” Demand response integrated day-ahead energy management strategy for remote off-grid hybrid renewable energy systems”, International Journal of Electrical Power & Energy Systems, Vol. 129, July 2021, pp 106731

8) K D Dharmapala, A Rajapakse, K Narendra, Y Zhang, “Machine Learning Based Real-Time Monitoring of Long-Term Voltage Stability Using Voltage Stability Indices”, IEEE Access 8, pp. 222544, 2020

9) J Wijekoon, AD Rajapakse, NM Haleem, “Fast and Reliable Method for Identifying Fault Type and Faulted Phases Using Band Limited Transient Currents”, IEEE Transactions on Power Delivery, Early Access, 2020.

10) MP Anand, A Rajapakse, B Bagen, “Stochastic Model for Generating Synthetic Hourly Global Horizontal Solar Radiation Data Sets Based on Auto Regression Characterization”, International Energy Journal, Vol. 20, No. 2, 2020.

11) MP Anand, B Bagen, A Rajapakse, “Probabilistic reliability evaluation of distribution systems considering the spatial and temporal distribution of electric vehicles”, International Journal of Electrical Power & Energy Systems, Vol. 117, May 2020, 105609.

12) AC Adewole, A Rajapakse, D Ouellette, P Forsyth, “Residual current-based method for open phase detection in radial and multi-source power systems”, International Journal of Electrical Power & Energy Systems, Vol. 117, 2020, 105610.

13) D Jayamaha, NWA Lidula, AD Rajapakse, “Protection and grounding methods in DC microgrids: Comprehensive review and analysis”, Renewable and Sustainable Energy Reviews, Vol. 120, 2020, 109631.

14) NM Haleem, AD Rajapakse, AM Gole, IT Fernando, “A Selective Fault Clearing Scheme for a Hybrid VSC-LCC Multi-Terminal HVdc System”, Energies, Vol. 13, No. 14, 2020, 3554.

15) Kariyawasam S, Rajapakse A D, Perera N., “Investigation of using IEC 61850 Sampled Values for Implementing a Transient Based Protection Scheme for Series Compensated Transmission Lines”, IEEE Transactions on Power Delivery, Vol. 33, No. 1, 2018, pp 93-101

16) Naushath M. Haleem ; Athula D. Rajapakse, “Fault-Type Discrimination in HVDC Transmission Lines Using Rate of Change of Local Currents”, IEEE Transactions on Power Delivery, Early Access, 2019

17) D Jayamaha, NWA Lidula, AD Rajapakse, “Wavelet-Multi Resolution Analysis Based ANN Architecture for Fault Detection and Localization in DC Microgrids”, IEEE Access Vol. 7, 2019, pp. 145371-145384

18) Naushath M H, Rajapakse A D, Gole A M, Fernando I T, “Investigation of Fault Ride-Through Capability of Hybrid VSC-LCC Multi-Terminal HVDC Transmission Systems”, IEEE Transactions on Power Delivery, Vol. 35, No. 1, 2020, pp. 117 - 129

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