Research & Publications

Research Interests

• Energy planning
• Energy Economics
• Renewable Energy
• Energy and Environment
• Power System Analysis
• Industrial Safety
• Project Management

Publications

Books Published

1. Development of Small Hydro Power Plants
   Author: Anura Wijayapala
   Publisher: Godage Brothers Pvt Ltd.
   ISBN: 978-955-30-7605-2
2. Development of Grid Connected Rooftop Solar PV Systems 
   Author: Anura Wijayapala
   Publisher: Sarasavi Publishers Pvt Ltd.
   ISBN: 978-955-31-0792-3
3. කුඩා ජලවිදුලි බලාගාර ඉදිකිරීම් සදහා මාර්ගෝපදේශයක්
   Author: Anura Wijayapala
   Publisher: Godage Brothers
   ISBN: 978-955-30-7648-9

Journal Publications

1. “Nuclear Power as a Viable Electrical Energy Source for Sri Lanka”, Economic Review published by the Research Department of People’s Bank of Sri Lanka, December 2010, pp. 31-35 (Co-author: Perera KKYW)
2. “Modeling of Distribution Losses in an Urban Environment and Strategies for Distribution Loss Reduction”, Engineer, Journal Published by Institution of Engineers, Sri Lanka, Volume XXXXV, No 03, 2012, pp 21-32 (Co-author: Wanniarachchi HRP)
3. “Directions for Solving Bad Workman practices in Power Distribution Line Connections”, Engineer, Journal Published by Institution of Engineers, Sri Lanka, Volume XXXXV, No 03, 2012, pp 33-44 (Co-authors: Jayasekara  AGDP and Lucas JR)
4. “Use of load Shedding Scheme to Increase the Capacity Limit on the Single Largest Generator”, Journal of the Institution of Engineers , Sri Lanka, Vol XXXXVI, No 01 ,January 2013, pp31-36. (Co- authors:  Hapuarchchi CKS, Gunawardena MDMC, Haputhanthri DP, Harshana IGC and Lucas JR)
5. “Development of a Model for Prediction of Solar Radiation”, Journal of the Institution of Engineers, Sri Lanka, Vol XLVIII, No 03, July 2015, pp19-25 (Co-author: Kushal DHK)
6. “An Optimum Wind Solar Hybrid System for Stand Alone Power System”, Journal of the Institution of Engineers, Sri Lanka, Vol XLVIII, No 04, October 2015, pp1-15 (Co-author: Hemantha Kumara HP)
7. “A methodology to Develop a Distribution Transformer Model for Transient Studies”, Journal of the Institution of Engineers, Sri Lanka, Vol XLIX, No 02, April 2016, pp51-59 (Co-authors: Lucas JR, Hasthanayaka LS)
8. “Current Transformer Performance during Transient Conditions and the Development of a Current Transformer Selection Criterion for Protection Applications”, Journal of the Institution of Engineers, Sri Lanka, Vol XLIX, No 03, July 2016, pp49-61 (Co-authors: J  Karunanayake and RRTWMRAI Madawala)
9. “Determination of Capitalization Values for No Load Loss and Load Loss in Distribution Transformers”, Journal of the Institution of Engineers, Sri Lanka, Vol XLIX, No 03, July 2016, pp11-20 (Co-authors:  SRK Gamage and HMSLG Bandara)
10. “Co-firing of Biomass with Coal in Pulverized Coal Fired Boilers at Lakvijaya Power Plant: A Case Study”, Journal of the Institution of Engineers, Sri Lanka, Vol XLIX, No 03, July 2016, pp33-39 (Co-author:  SRH Mudunkotuwa)
11. “Assessment of the Impacts of Electricity Subsidies in Sri Lanka”, Engineer**, Journal of the Institution of Engineers, Sri Lanka, Vol XLIX, No 04, October 2016, pp29-36 (Co-author: Kankanamge TN )
12. Techno Economic Analysis on the use of High Temperature Low Sag (HTLS) Conductors for Sri Lanka’s Transmission System”, Accepted for the January 2017 issue of Engineer**, Journal of the Institution of Engineers, Sri Lanka, (Co-authors: Yasaranga HBD and Hemapala KTMU)
13. “Developing a Mathematical Model Based on Weather Parameters to Predict the Daily Demand for Electricity”, Engineer**, Journal of the Institution of Engineers, Sri Lanka, Vol L, No 02, April 2017, pp49-57 (Co-authors: Siyambalapitiya T and Jayasekara IN)

Conference Publications

1. “The Practical Aspects of Diesel power for Independent Power Producers”, Engineering Jubilee Congress, Faculty of Engineering, University of Peradeniya, June 2000. (Co-author: Abeysinghe DP)
2. "Determination of One Dimensional Earth Resistivity Profile in Multilayer Soil", Proceeding of 13th Annual Symposium on Research for Industry, Engineering Research Unit, University of Moratuwa, Sri Lanka, October 2007, pp.8-11. (Co-authors: Dharmadasa IT, Lucas JR and Udawatta UKDL)
3. “Neural Networks for Determination of Subsurface Targets in Multilayer Soil Structure”, 13th Annual Symposium on Research for Industry, Engineering Research Unit, University of Moratuwa, Sri Lanka, 2008, pp 1-3. (Co-authors: Dharmadasa IT, Lucas JR and Udawatta UKDL)
4. “Probabilistic Approach to Fix the Overhead Line Power Transfer Limits, with Effective Wind Cooling; A Case Study”, Annual Transactions -2010, Institutions of Engineers, Sri Lanka, Volume I – Part B, pp. 1-5. (Co-authors: Roshan Kumara DMJ and Fernando DGR)
5. “A Conceptual Design for a Tower type Concentrating Solar Plant near Hambantota”, International Conference on “Climate on the Edge” organized by German Cultural Center and German Alumni Association of Sri Lanka. November 2010, pp 33-45. (Co-authors: Fernando DGR and Wijayawardhana NABR)
6. “Synchronizing and Protection Relay for Distributed Generators", SAITM Research Symposium on Engineering Advancement,2011, pp. 107-110 (Co-authors: Jayawardena MJAAI, Karunaratne SAPU, Jayawickereme RW, Lakmal WS, Karunaratne MDRK)
7. “Synchronizing and Protection Relay for Distributed Generators”, Proceedings of the 16th Annual ERU Symposium, University of Moratuwa, Sri Lanka, Nov. 2010, pp 141-143 (Co-authors: Karunaratne SAPU, Karunaratne R, Jayawickrama R, Lakmal S, Jayawardana A, Karunadasa JP)
8. “Managing the Impacts of Higher Costs of Renewable Energy”, Proceedings of the KDU International Research Symposium 2013, Kotalawala Defense University, Sri Lanka, 22nd & 23rd August 2013, pp 218-224 (Co- author: Tilak Siyambalapitiya)
9. “Use of Information Technology in Implementing System Automation, Energy Conservation and Reliability Improvements in Sri Lankan Power System”. International Symposium on IT for Sustainable Smart Cities organized by the Faculty of Engineering University of Moratuwa, 20th June 2016, pp11(Co-authors: Perera HYR, Rajapakshe RVDHN)
10. “Coal Vs LNG based Power Generation and Challenges ahead of the Predicted Climate Issues by end of the 21st Century: Sri Lankan Context”, Proceedings of the KDU International Research Symposium 2016, Kotalawala Defense University, Sri Lanka, 8th September 2016, pp 12.

Research Degrees Supervised

Mphil Degrees

• Determination of Earth resistivity Profile in Multilayer Soil by IT Dharmadasa, Supervisors: Prof. JR Lucas, Prof. Lanka Udawatta and Eng. WDAS Wijayapala
  March 2009
• Stability and Security Assessment of India-Sri Lanka HVDC Interconnection by AGCU Perera, Supervisors: Dr. AS Rodrigo and Eng. WDAS Wijayapala
  April 2015

MEng Degrees (by Course with one-year research component)

• Modelling of Distribution Losses in an Urban Environment and Strategies for Distribution Loss Reduction by HRP Wanniarachchi,    Supervisor: Eng. WDAS Wijayapala, March 2011

MSc Degrees (byCourse with one-year research component)

1. Impact of Embedded Generation on Distribution Loss minimization by RMSMB Sumanasekara
   Supervisors: Eng. WDAS Wijayapala and Dr. HM Wijekoon  
   January 2010
2. Development of a Neuro-Fuzzy System for Condition Monitoring of Power Transformers by JR Sellahennadi,      Supervisors: Prof. Lanka Udawatta, Eng. WDAS Wijayapala and Eng. KP S Kumara
   January 2010
3. Probabilistic Approach to Fix the Overhead Line Power Transfer Limits with Effective Wind Coolingnby DMJ Roshan Kumara
   Supervisors: Eng. WDAS Wijayapala and Eng. DGR Fernando
   January 2010
4. Clearance to Buildings from Overhead Transmission Lines by KK Shayamali
   Supervisors: Prof. JR Lucas and Eng. WDAS Wijayapala
   February 2010
5. Hydrogen Powered Proton Exchange Membrane Fuel Cell (PEMFC) Modelling and Simulation by SR Wickramarachchi
   Supervisors: Prof. Lanka Udawatta  and Eng. WDAS Wijayapala      
   January 2010
6. Feed water Heater for Increasing Boiler Efficiency by JM Saman Kumara
   Supervisor: Eng. WDAS Wijayapala         
   February 2010
7. Nuclear Power Plant for Sri Lanka by year 2020 by BMAT Priyadarshana
   Supervisor: Eng. WDAS Wijayapala         
   March 2010
8. Selection of Transmission Network Configuration for Trincomallee Power Plant Grid Connection by GP Senanayake
   Supervisors: Prof. JR Lucas and Eng. WDAS Wijayapala
   July 2010
9. A Conceptual Design for Tower Type Concentrating Solar Power Plant Near Hambantota by NABR Wijayawardhana
   Supervisors: Eng. WDAS Wijayapala and Eng. DGR Fernando          
   January 2011
10. Wind-Solar-Diesel Hybrid Model for Telecommunication Base Stations by DLD Dissanayake
    Supervisor: Eng. WDAS Wijayapala
    January 2011
11. Analysis of Wind Solar Hybrid System for Stand-Alone Power Generation in Sri Lanka by HPHK Karunasekara
    Prof. Lanka Udawatta and Eng. WDAS Wijayapala      
    February 2011
12. Economic Loss Optimization Techniques for Distribution Transformer Sizing by RMHL Thushara
    Supervisors: Dr. Narendra de Silva and Eng. WDAS Wijayapala       
    February 2011
13. Good Workman Practices for Power Distribution Line Connections by AGDP Jayasekara
    Supervisors: Prof. JR Lucas and Eng. WDAS Wijayapala        
    February 2011
14. Modelling of Distribution Losses in an Urban Environment and Strategies for Distribution Loss Reduction by HRP Wanniarachchi
    Supervisor: Eng. WDAS Wijayapala         
    March 2011
15. Mainstreaming Renewable Energy Development into Traditional Planning by JHKK Chathuranga
    Supervisors: Eng. WDAS Wijayapala and Prof. PDC Wijayathunga
    February 2014
16. Assessment of factors Affecting Solar Radiation and Development of a Model for Prediction by DHK Kushal Supervisor: Eng. WDAS Wijayapala
    Fbruary 2014
17. Distribution Transformer Model for Transient Studies by LS Hasthanayake
    Supervisors: Prof. JR Lucas and Eng. WDAS Wijayapala        
    January 2014
18. Analysis of Non-Technical Losses in Distribution Networks Mitigation Methods and Costs by NR Ramasingha
    Supervisor: Eng. WDAS Wijayapala
    March 2014
19. Efficiency Improvements to the Hydro power plants in Laxapana Complex by RJ Jayewardene
    Supervisors: Eng. WDAS Wijayapala
    April 2014
20. Minimization of Transformer failures due to Lightning Surges by Introducing an Electrostatic Shield in the HT Winding by HSC Karunananda
    Supervisor: Eng. WDAS Wijayapala         
    April 2014
21. Investigating the Effects of Electromagnetic Fields due to High Voltage Transmission Lines on Detonator Firing Circuits by WFM Fernando
    Supervisors: Eng. WDAS Wijayapala and Dr. AS Rodrigo       
    May 2015
22. Techno Economic Analysis on the use of HTLS Conductors for Sri Lanka’s transmission System by HBD Yasaranga    
    Supervisors: Eng. WDAS Wijayapala and Dr. KTMU Hemapala        
    May 2015
23. Assessment of the Impacts of Electricity Subsidies in Sri Lanka by TN Kankanamge
    Supervisor: Eng. WDAS Wijayapala         
    April 2015
24. Determination of Capitalization Values for No-Load losses and Load Losses of Distribution Transformers by HMSLG Bandara
    Supervisors: Eng. WDAS Wijayapala and Eng. SRK Gamage  
    April 2015
25. Design of Colombo City Electricity network for Anticipated Future Demand by DGKMTN Rajapakshe 
    Supervisors: Eng. WDAS Wijayapala and Dr. HM Wijekoon
    June 2015
26. Study of Current Transformer Performance During Transient Conditions and development of a Model for Prediction by RRTWMRAI Madawala
    Supervisors: Eng. WDAS Wijayapala and Eng. J Karunanayake
    July 2015
27. Impacts of Distributed generation on Transmission and Distribution Losses in Sri Lankan Power System by AAC Priyangika
    Supervisors: Eng. WDAS Wijayapala and Dr. HM Wijekoon  
    September 2015
28. Developing a mathematical Model to Predict the Daily Demand for electricity Based on Weather parameters by IN Jayasekara
    Supervisors: Eng. WDAS Wijayapala       
    March 2016
29. Co-firing Biomass with coal in Pulverized Coal Fired Boilers by SRH Mudunkotuwa
    Supervisors: Eng. WDAS Wijayapala       
    April 2016
30. Optimization of the usage of Samanalawewa Water resources for Power generation by MPW Pathiraja
    Supervisor: Eng. WDAS Wijayapala
    May 2016
31. Impact of New Generation Conductors on Techno Economics of 132kV Transmission Lines
    Supervisor: Prof. HYR Perera and Eng. WDAS Wijayapala
    August 2016
32. Determination of Unit Capacities of Future Coal Power Plants in Sri Lanka
    Supervisor: Eng. WDAS Wijayapala