Dr. S.G. Abeyratne

Department of Electrical & Electronic Engineering
University of Peradeniya, Sri Lanka.
sunil AT ee.pdn.ac.lk
+94-81-2393415

RESEARCH PUBLICATONS

(Recent)

Athmi Jayawardena, Dilini Weerasinghe, Sanchala Coorera,Sunil Gamini Abeyratne and Nimal Rathnayake “Maximum Power Tracking for PVs with Improved Tracking Accuracy at Irradiance Transients”, Journal of Energy and Power Engineering 6 (2012), June 30, 2012,pp.972-977.

Nalika Ulapane, Sunil Abeyratne, Prabath Binduhewa, Chamari Dhanapala, Shyama Wickramasinghe, Nimal Rathnayake, “A Simple Software Application for Simulating Commercially Available Solar Panels”, International Journal of Soft Computing And Software Engineering (JSCSE) e-ISSN: 2251-7545, Vol.2,No.5, 2012

Ajith P. Tennakoon1, Janaka B. Ekanayake, Arulampalam Atputharajah, and Sunil G. Abeyratne “Stability Margin of DFIG Wind Turbines: Effects and Solutions”, WIND ENGINEERING VOLUME 35, NO. 6, 2011 PP 739-756.

G. Ramtharan, S. G. Abeyratne, A. Atputharajah, “Constant Frequency Control of an Active Power Filter”, Journal of the National Science Foundation of Sri-Lanka, Vol.34, No.1, March 2006, pp.21-28,
ISSN 1391-4588.

S. G. Abeyratne , W. H. M. J. H. B. Wijekoon, W. H. M. P. T. B. Wijekoon “ An Efficient Converter for Emergency Lighting”, Transactions of the IEE-Sri-Lanka, Volume 6, Number 1, August 2005, pp.44-50.

D. B. Ekanayake, S. G. Abeyratne, J. B. Ekanayake, “Application of Doubly Fed Induction Generators for Stand-alone-mini Hydro Applications”, Transactions of the IEE-Sri-Lanka, Volume 6, Number 1, August 2005, pp.68-74.

D. B. Ekanayake, S. G. Abeyratne, “ A Compact Rectifier Stage with an Improved Power Factor”, Transactions of the IEE-Sri-Lanka, Volume 5, Number 1, September 2003, pp.64-68.

E. R. C. da Silva, S. G. Abeyratne, Y. Murai”, PWM Series Resonant DC-Link Converter with Current Clamping by the use of Saturable Core”, IEEE Trans. on Power Electronics, January 1999, vol. 14, No.01, pp. 82-89.

S. G. Abeyratne , J. Horikawa, Y. Murai, T. A. Lipo, “Current Clamped Modified Series Resonant DC-Link Power Converter for a General Purpose Induction Motor Drive”, IEEE Trans. on Power Electronics, March 1997, vol.12, No. 02, pp. 201-212.

S. G. Abeyratne , J. Horikawa, Y. Murai, T. A. Lipo, “ Current Clamped, Modified Series Resonant
DC-Link Power Converter and Control Strategies”, IEEJ-IAS Trans., Nov. 1996, vol.116-D, No. 11, pp. 1145-1152

Y. Murai, S. G. Abeyratne, T. A. Lipo, P. Caldeira, “ Current Peak Limiting for a Series Resonant
DC-Link Power Conversion Using a Satrable Core”, Taylor & Francies, Electric Machines and Power Systems vol. 26, No. 1,1996, pp. 51-63.

E. R. C. da Silva, S. G. Abeyratne, Y. Murai, “ PWM Series Resonant DC-Link Converter with Current Peak Limiting Using a Saturable Core”, IEEE-Electronics Letters, 1st Feb. 1996, vol. 32, No. 03, pp. 145-146.

CONFERENCE PAPERS

D.M.L.B. Dissanayaka, C.T.J. Fernando, S.G. Abeyratne, “Smart Meter Based Inverter Controlling Network for Demand Response Applications in Smart Grids”, IEEE sponsored, International Conference on Industrial and Information Systems, 16-19 Aug., 2011, Kandy, Sri-Lanka.

S.S.W. Walker, N.K. Sooriyaarachchi, N.D.B. Liyanage, P.A.G.S. Abeynayake, S.G. Abeyratne, “Comparative Analysis of Speed of Convergence of MPPT Techniques”, IEEE sponsored, International Conference on Industrial and Information Systems, 16-19 Aug., 2011, Kandy, Sri-Lanka.

Nalika N.B. Ulapane, Chamari H. Dhanapala, Shyama M. Wickramasinghe, Sunil G. Abeyratne, Nimal Rathnayake, Prabath J. Binduhewa, “Extraction of Parameters for Simulating Photovoltaic Panels”, IEEE sponsored, International Conference on Industrial and Information Systems, 16-19 Aug., 2011, Kandy, Sri-Lanka.

C.M. Liyanagedera, U.C. Dissanayake, K.T.D.D.N. Jayapala, S.G. Abeyratne, K.R.M.N. Rathnayake “Simulation and Fabrication of a Maximum Power Point Tracker Monitoring and Validating System”, IEEE sponsored, International Conference on Industrial and Information Systems, 16-19 Aug., 2011, Kandy, Sri-Lanka.

J. Vaheeshan, V. Vihirthanath, S. G. Abeyratne, A. Atputharajah, G. Ramatharan,, “Wind Turbine Emulator”, IEEE sponsored, International Conference on Industrial and Information Systems, 16-19 Aug., 2011, Kandy, Sri-Lanka.

H.P.A.P. Jayawardana,, H.W.K.M. Amarasekara, P.T.S. Peelikumbura, W.A.K.C. Jayathilaka, S.G. Abeyaratne, S.D. Dewasurendra “Design and Implementation of a Statechart Based Reconfigurable Elevator Controller”, IEEE sponsored, International Conference on Industrial and Information Systems, 16-19 Aug., 2011, Kandy, Sri-Lanka.

A.C. Vidanapathirana, S.D. Dewasurendra, S.G. Abeyratne, “Statechart Based Modeling and Controller Implementation of Complex Reactive Systems”, IEEE sponsored, International Conference on Industrial and Information Systems, 16-19 Aug., 2011, Kandy, Sri-Lanka.

W.M.D.T. Weerasinghe, A.V. Jayawardena, W.S. Coorera5 , S.G. Abeyratne, K.R.M.N. Rathnayake, “Maximum Power Tracking for PVs with Improved Tracking Accuracy at Irradiance Transients”, IEEE ICEST-2010, pp.

W.M.D.T. Weerasinghe, A.V. Jayawardena, W.S. Coorera5 , S.G. Abeyratne, K.R.M.N. Rathnayake, “Maximum Power Tracking for PVs with Improved Tracking Accuracy at Irradiance Transients”, IEEE ICEST-2010, pp.

S.G.Abeyrathne, U.R. Aberathne, A.Gunawardana Thilakasiri, T.D.D.M, Rajamuni S.S, Wanninayake W.M.T.C, Ranasinghe R.A.M.D. “ An Electronic Nose for Electrical Fault Detection – Detection of the specific fault in DC motors that happens due to a broken coil or broken commutator”,`Annual Technical Conference 2010 of IET-YMS Sri Lanka, 16th October 2010, pp. 99- 105.

A. Arulampalam, G. Ramtharan, J.B. Ekanayake, A.P. Tennakoon, S.G. Abeyratna, N. Jenkins, “Fault Ride Through operation of a DFIG wind farm connected through VSC HVDC”, Accepted to the 5th International Conference on Industrial and Information Systems (ICIIS 2010), 29th July – 1st August 2010, NIT Karnataka Surathkal, India.

A.P. Tennakoon, A. Arulampalam, H.Leite, J.B. Ekanayake, S.G. Abeyratna, “Operations of DFIG with simplified rotor current reference model and solution to the recent grid code requirements”, IEEE IECON09 proceedings, Pages 4029-4033.

K.M.K.S. Bandara, A. Arulampalam, S. G. Abeyratne “ Dynamic Breaking Resistor Based Control of Generator for Improved Dynamics.” 4th IEEE International Conference on Industrial and Information Systems, 28-31 December, 2009, Sri-Lanka, pp. 448 - 453.

R. P. S. Chandrasena, W.M.M.T.S Weerakoon, J. B. Ekanayake, S. G. Abeyratne, “ Design and Implementation of a Laboratory Scale VSC Controller-Practical Problems and Solutions“,.” 4th IEEE International Conference on Industrial and Information Systems, 28-31 December, 2009,Sri-Lanka, pp. 425 - 429.

Navartatne M.A.U.S, Koswatta R. V., S, Abeyratne S. G., “A Simple Battery Chemistry Identification an Implementation Technique for a Self-Adaptable Charger”, 4th IEEE International Conference on Industrial and Information Systems, 28-31 December, 2009, Sri-Lanka, pp. 163 – 168.

A.P. Tennakoon, A. Arulampalam, J.B. Ekanayake, S.G. Abeyratne, A.M.U.S.K. Alahakoon, "Operational restrictions with maximum power extraction of DFIG connected wind farms", IEEE International Conference on Sustainable Energy Technologies (ICSET), 24th – 27th November 2008, SMU conference center, Singapore, pages 1073 - 1078.

Kalyana Bandara, Laksiri Karunaratne, Sunil Abeyratne and Atputhrajah Arulampalam, “Energy Saving bu controlling the inlet air flow of a oil fired boiler using a VSD driven blower fan-case study, IEEE region 10 Conference Proceedings (TENCON) 2008.

Abeyratne S. G ., Kuruppu S.S. , Divarathne C.M. , Handapangoda D.K. , Senevirathne S.M.A.J. , Dayaratne U.I. “A Self Adaptable Intelligent Battery Charger for Portable Electronics”, 2008-IEEE International Symposium on Industrial Electronics, Cambridge, UK, June 30 to July 2, 2008, pp. 1775-1779.

A.P. Tennakoon1, A. Atputharajah, S.G. Abeyratne, J.B. Ekanayake, “Doubly-fed Induction generators for wind power generation”. 2nd International Conference on Industrial and Information Systems, IEEE-Srilanka Section, Conference proceedings, August 9-11, 2007,Peradeniya, Sri-Lanka.

R.P.S. Chandrasena1, A. Arulampalam, J.B. Ekanayake, S.G.Abeyratne, “Grid side converter controller of DFIG for wind power generation”. 2nd International Conference on Industrial and Information Systems, IEEE-Srilanka Section, Conference proceedings, August 9-11, 2007,Peradeniya, Sri-Lanka.

K. M. K. S. Bandara, S. G. Abeyratne, S. D. Dewasuredra, “ State Chart Based Elevator Controller and its Verification”, 1st International Conference on Industrial and Information Systems, IEEE-Srilanka Section, Conference proceedings, August 8-11, 2006,Peradeniya, Sri-Lanka, Paper ID 262.

A. P. Tennakoon, A. Arulampalam, J. B. Ekanayake, S. G. Abeyratne, “ Modeling and Control of Doubly Fed Induction Generators (DFIGs) for Wind Energy Applications”, 1st International Conference on Industrial and Information Systems, IEEE-Srilanka Section, Conference proceedings, August 8-11, 2006,Peradeniya, Sri-Lanka, Paper ID 299.

K. D. A. Munasinghe, S. G. Abeyratne, “Power Quality and Harmonic Loads, 1st International Conference on Industrial and Information Systems, IEEE-Srilanka Section, Conference proceedings, August 8-11, 2006,Peradeniya, Sri-Lanka, Paper ID 232.

V. W. Bandara, A. C. Vidanapathirana, S. G. Abeyratne, “Contouring with DC Motors-A practical Experience, 1st International Conference on Industrial and Information Systems, IEEE-Sri-Lanka Section, Conference proceedings, August 8-11, 2006,Peradeniya, Sri-Lanka, Paper ID 97.

S. G. Abeyratne , U. I. Dayaratne, M. L. N. Perera, “A New Power Conversion Strategy for a Uni-Polar Stepper Motor Drive”, 37th IEEE PESC,2006, Conference proceedings , June 18-22, Jeru, Korea, pp. 2361- 2364.

Upul Dissanayaka, Sanath Alahakoon, Sunil Abeyratne, “ energy saving driver for single phase induction motor” Annual Research sessions, University of Peradeniya, Sri-Lanka, 2004.

Upul Dissanayaka, Sanath Alahakoon , Sunil Abeyratne, Ripple free torque control of single-phase induction motor, a novel approach”, 11th Annual research sessions IEE Sri-lanka 2004.

Thusianthan Kandiah, Sanath Alahakoon, S. G. Abeyratne,” Microcontroller Based Constant Volts/ Hertz Operation for Variable Speed Control of Three-phase Induction Motors“, Abstract, Proceedings of the Peradeniya University research sessions-2003, abstract page 105.

D. B. Ekanayake, S. G. Abeyratne, J. B. Ekanayake,” Application of Wound Rotor Induction Generators for a Standalone Mini-Hydros” Abstract, Proceedings of the Peradeniya University research sessions-2003, abstract page 101.

P. T. B. Wijekoon and S. G. Abeyratne, “ A Low Cost Efficient Emergency Lamp System”, Annual Research Sessions Proceedings, University of Peradeniya, Dec. 2002, abstract page pp. 80.

D. B. Ekanayake, S. G. Abeyratne, “ A Compact Low Cost Rectifier Stage with an Improved Power Factor”, IEE-Sri-Lanka, 9th Annual Conference, 2002 September.

Sanath Wijayatilake, Sanath Alahakoon, Kirthi Walgama, Sunil Abeyratne, Mats Leksell, “Speed Sensorless Control of Induction Motors”, Annual Research Sessions, Faculty of Engineering University of Peradeniya, Nov. 2000, pp. 27-28.

S. G. Abeyratne Y. Murai, K. R. M. N. Ratnayake, “Thyristors, MCTS and Zero Current Soft Switching”, Golden Jubilee Congress, Research Sessions 2000, University of Peradeniya, Sri-Lanka.

S. G. Abeyratne , E. Da Silva, Y. Murai, “ PWM Series Resonant DC Link Converter with Current Clamping by the use of a Saturable Core”, IEEE-PESC 1996 Conference proceedings, vol.1, pp.456-461.

S. G. Abeyratne , J. Horikawa, Y. Murai, T. A. Lipo, “Series Resonant DC-Link AC/AC Power Converter for a V/F Controlled Motor Drive”, IEEE-AMC 96, pp. 192-196.

K. R. M. N. Ratnayake, S. G. Abeyratne, Y. Murai, “Comparative Study of Device Losses and Stress in Resonant Power Converters”, Denki Gakkai Kenkyukaigika (Japan), 1995, SPC-95-40~49, pp. 29-36.

S. G. Abeyratne , M. T. Aydemir, T. A. Lipo, Y. Murai, M. Yoshida, “Current Clamped PWM Quasi-Resonant DC-Link Series Resonant Converter, IEEE-IAS 1994 Conference Records pp. 820-826.

S. G. Abeyratne , T. A. Lipo, Y.Murai, J. Horikawa, “Current Clamped, Modified Series Resonant DC-Link Power Converter for a General Purpose Induction Motor Drive”, vol.1 IEEE-APEC 1994 Proceedings, pp. 267-274.

Y. Murai, S. G. Abeyratne, T. A. Lipo, “Dual-Flow Pule Trimming Concept for a Series Resonant DC-Link Power Conversion”, IEEE-PESC Annual Meeting, 1991, pp. 254-260.

Y. Murai, S. G. Abeyratne, T. A. Lipo, P. Caldeira, “Current Peak Limiting for a Series Resonant DC-Link Power Conversion using a Saturable Core”, EPE Proceedings 1991, pp. 2-008 – 2-012.