Udaya Annakkage

Professor, Department of Electrical and Computer Engineering University of Manitoba
Professional Engineer Registered in Manitoba, Canada (P.Eng)

Selected Conference Papers

Jayasekara, T.; Annakkage, U.D.; Karki, R.; Jayasekara, B., "Estimation of frequency control performance using probability distribution of load change," Electrical and Computer Engineering (CCECE), 2013 26th Annual IEEE Canadian Conference on , vol., no., pp.1,6, 5-8 May 2013. URL

Jayasekara, B.; Annakkage, U.D., "Incorporating dynamic security into market dispatch using accurate transient stability constraints," Power Engineering Society General Meeting, 2006. IEEE , vol., no., pp.6. URL

Gomez, F.R.; Rajapakse, A.D.; Annakkage, U., "Transient stability prediction algorithm based on post-fault recovery voltage measurements," Electrical Power & Energy Conference (EPEC), 2009 IEEE , vol., no., pp.1,6, 22-23 Oct. 2009. URL

Annakkage, U.D.; Jayasekara, B.; Amarasinghe, L. Y C, "Determination of an Accurate Dynamic Security Constraint with Applications in Market Dispatch," Power Systems Conference and Exposition, 2006. PSCE '06. 2006 IEEE PES , vol., no., pp.409,416, Oct. 29 2006-Nov. 1 2006. URL

Brandt, R.M.; Annakkage, U.D.; Brandt, D.P.; Kshatriya, N., "Validation of a two-time step HVDC transient stability simulation model including detailed HVDC controls and DC line L/R dynamics," Power Engineering Society General Meeting, 2006. IEEE , vol., no., pp.6. URL

Annakkage, U.D.; Jacobson, D.A.; Muthumuni, D., "Method for studying and mitigating the effects of wind variability on frequency regulation," Integration of Wide-Scale Renewable Resources Into the Power Delivery System, 2009 CIGRE/IEEE PES Joint Symposium , vol., no., pp.1,1, 29-31 July 2009. URL

Zhou, D.Q.; Annakkage, U.D.; Rajapakse, A.D., "Online monitoring of voltage stability margin using an Artificial Neural Network," Power and Energy Society General Meeting, 2010 IEEE , vol., no., pp.1,1, 25-29 July 2010. URL

Ranatunga, R.A.S.; Annakkage, U.D.; Pahalawaththa, N.C.; Kumble, C. S., "A case study of network characteristics based optimal pricing and dispatch," Transmission and Distribution Conference, 1999 IEEE , vol.1, no., pp.190,196 vol.1, 11-16 Apr 1999. URL

Karawita, C.; Annakkage, U., "Multi-In-Feed HVDC interaction studies using small signal stability assessment," Power & Energy Society General Meeting, 2009. PES '09. IEEE , vol., no., pp.1,1, 26-30 July 2009. URL

Amarasinghe, L. Y C; Jayasekara, B.; Annakkage, U.D., "The effect of dynamic security constraints on the locational marginal prices," Power Engineering Society General Meeting, 2005. IEEE , vol., no., pp.370,375 Vol. 1, 12-16 June 2005. URL

Chandrasena, W.; McLaren, P. G.; Annakkage, U.D.; Jayasinghe, R.P., "An improved low frequency transformer model for use in GIC studies," Power Engineering Society General Meeting, 2003, IEEE , vol.4, no., pp.,, 13-17 July 2003. URL

Chandrasena, W.; McLaren, P.G.; Annakkage, U.D.; Jayasinghe, R.P., "Modeling GIC effects on power systems: the need to model magnetic status of transformers," Power Tech Conference Proceedings, 2003 IEEE Bologna , vol.2, no., pp.6 pp. Vol.2,, 23-26 June 2003. URL

McLaren, P.G.; Dirks, E.; Annakkage, U.D.; Jayasinghe, R.P.; Parker, A., "Real time simulation of CT's in a current differential protection scheme," Transmission and Distribution Conference, 1999 IEEE , vol.2, no., pp.470,475 vol.2, 11-16 Apr 1999. URL

Sanchez-Gasca, J.J.; Vittal, V.; Gibbard, M.J.; Messina, A.R.; Vowles, D.J.; Liu, S.; Annakkage, U.D., "Analysis of higher order terms for small signal stability analysis," Power Engineering Society General Meeting, 2005. IEEE , vol., no., pp.1745,1753 Vol. 2, 12-16 June 2005. URL

Archer, B.A.; Annakkage, U.D., "Monitoring and predicting power system behaviour by tracking dominant modes of oscillation," Power Engineering Society General Meeting, 2005. IEEE , vol., no., pp.1475,1482 Vol. 2, 12-16 June 2005.
doi: 10.1109/PES.2005.1489139. URL

Amarasinghe, L. Y C; Annakkage, U.D., "Analysis of Network Rental in the Competitive Electricity Market," Power Engineering Society General Meeting, 2007. IEEE , vol., no., pp.1,5, 24-28 June 2007. URL

Kulasza, M.A.; Annakkage, U.D., "Design of a software framework for research in power system modeling and simulation," Electrical and Computer Engineering (CCECE), 2013 26th Annual IEEE Canadian Conference on , vol., no., pp.1,5, 5-8 May 2013. URL

Karunadsa, P. S.; Annakkage, U. D.; MacDonald, B. A., "Dynamic security control using secure regions derived from a decision tree technique," Power Engineering Society Summer Meeting, 2000. IEEE , vol.3, no., pp.1861,1865 vol. 3, 2000. URL

Pahalawaththa, N.C.; Annakkage, U.D., "An optimum gain scheduling power system stabilizer," Advances in Power System Control, Operation and Management, 1991. APSCOM-91., 1991 International Conference on , vol., no., pp.211,216 vol.1, 5-8 Nov 1991. URL

Ranatunga, R.A.S.; Annakkage, U.D.; Kumble, C. S., "Implications of reactive power on nodal pricing and dispatch," Power Engineering Society Winter Meeting, 2000. IEEE , vol.2, no., pp.885,890 vol.2, 2000. URL

Jayasekara, B.; Annakkage, U.D., "Determination of the transient stability boundary," Power Engineering Society General Meeting, 2004. IEEE , vol., no., pp.1590,1594 Vol.2, 10-10 June 2004. URL

Balanathan, R.; Pahalawaththa, N.C.; Annakkage, U.D., "A strategy for undervoltage load shedding in power systems," Power System Technology, 1998. Proceedings. POWERCON '98. 1998 International Conference on , vol.2, no., pp.1494,1498 vol.2, 18-21 Aug 1998. URL

Shan Jiang; Gole, A.; Annakkage, U.; Jacobson, D., "Damping performance analysis of IPFC and UPFC controllers using validated small signal models," Power and Energy Society General Meeting, 2011 IEEE , vol., no., pp.1,1, 24-29 July 2011. URL

Diez-Valencia, V.; Annakkage, U.D.; Gole, A.M.; Demchenko, P.; Jacobson, D., "Interline power flow controller (IPFC) steady state operation," Electrical and Computer Engineering, 2002. IEEE CCECE 2002. Canadian Conference on , vol.1, no., pp.280,284 vol.1, 2002. URL

Chandrasena, W.; McLaren, P.G.; Annakkage, U.D.; Jayasinghe, R.P.; Dirks, E., "Simulation of eddy current effects in transformers," Electrical and Computer Engineering, 2002. IEEE CCECE 2002. Canadian Conference on , vol.1, no., pp.122,126 vol.1, 2002. URL

Annakkage, U.D.; Jayasekara, B., "Ensuring power system security against contingencies," Industrial and Information Systems, 2007. ICIIS 2007. International Conference on , vol., no., pp.559,564, 9-11 Aug. 2007. URL

Ranatunga, R.A.S.; Annakkage, U.D.; Kumble, C. S., "Linear programming based algorithm for reactive power constrained real power dispatch and pricing," Power Engineering, 2001. LESCOPE '01. 2001 Large Engineering Systems Conference on , vol., no., pp.2,6, 2001. URL

Kshatriya, N.; Annakkage, U.D.; Gole, A.M., "A New Stabilizer and Design Algorithm to Minimize the Excitation of Undesirable Oscillations," Power Engineering Society General Meeting, 2007. IEEE , vol., no., pp.1,7, 24-28 June 2007. URL

Altin, M.; Teodorescu, R.; Jensen, B. B.; Annakkage, U.D.; Iov, F.; Kjaer, P.C., "Methodology for assessment of inertial response from wind power plants," Power and Energy Society General Meeting, 2012 IEEE , vol., no., pp.1,8, 22-26 July 2012. URL

Suriyaarachchi, D. H R; Annakkage, U.D.; Karawita, C.; Kell, D.; Mendis, R.; Chopra, R., "Application of an SVC to damp sub-synchronous interaction between wind farms and series compensated transmission lines," Power and Energy Society General Meeting, 2012 IEEE , vol., no., pp.1,6, 22-26 July 2012. URL

Geeganage, J.; Annakkage, U.D.; Archer, B.A.; Weekes, T., "A web based software system for database generation for online dynamic security assessment studies (ML4DSA)," Electrical and Computer Engineering (CCECE), 2013 26th Annual IEEE Canadian Conference on , vol., no., pp.1,4, 5-8 May 2013. URL

Amarasinghe, L. Y C; Annakkage, U.D.; Ranatunga, R.A.S., "A Reactive Power Model for a Simultaneous Real and Reactive Power Dispatch," Power Engineering Society General Meeting, 2007. IEEE , vol., no., pp.1,7, 24-28 June 2007. URL

Numnonda, T.; Annakkage, U.D.; Pahalawaththa, N.C., "Unit commitment using stochastic optimization," Intelligent Systems Applications to Power Systems, 1996. Proceedings, ISAP '96., International Conference on , vol., no., pp.428,433, 28 Jan-2 Feb 1996. URL

Roethlisberger, Ch; Gole, A.M.; Annakkage, U.D.; Andersson, G., "Model Identification for Spinning Reserve Management," Electrical and Computer Engineering, 2006. CCECE '06. Canadian Conference on , vol., no., pp.2294,2298, May 2006. URL

Peiris, H.J.C.; Annakkage, U.D.; Pahalawaththa, N.C., "Damping improvement of an AC-DC interconnected system using a fuzzy logic coordinated modulation controller," Energy Management and Power Delivery, 1998. Proceedings of EMPD '98. 1998 International Conference on , vol.2, no., pp.375,380 vol.2, 3-5 Mar 1998. URL

Kshatriya, N.; Annakkage, U.D.; Gole, A.M.; Fernando, I.T., "Selecting an initial condition for normal form analysis," Power Engineering Society General Meeting, 2003, IEEE , vol.3, no., pp.,1291 Vol. 3, 13-17 July 2003. URL

El Itani, S.; Annakkage, U.D.; Joos, G., "Short-term frequency support utilizing inertial response of DFIG wind turbines," Power and Energy Society General Meeting, 2011 IEEE , vol., no., pp.1,8, 24-29 July 2011. URL

Kshatriya, N.; Annakkage, U.; Hughes, M.; Gole, A., "Optimized partial eigenstructure assignment-based design of a combined PSS and active damping controller for a DFIG," Power and Energy Society General Meeting, 2010 IEEE , vol., no., pp.1,1, 25-29 July 2010. URL

Karawita, C.; Annakkage, U.D., "Control block diagram representation of an HVDC system for sub-synchronous frequency interaction studies," AC and DC Power Transmission, 2010. ACDC. 9th IET International Conference on , vol., no., pp.1,5, 19-21 Oct. 2010.

Karawita, C.; Annakkage, U., "A hybrid network model for small signal stability analysis of power systems," Power and Energy Society General Meeting, 2010 IEEE , vol., no., pp.1,1, 25-29 July 2010.URL

Annakkage, U.D.; Nair, N.C.; Gole, A.M.; Dinavahi, V.; Noda, T.; Hassan, G.; Monti, A., "Dynamic system equivalents: A survey of available techniques," Power & Energy Society General Meeting, 2009. PES '09. IEEE , vol., no., pp.1,5, 26-30 July 2009.URL

Suriyaarachchi, D.H.; Annakkage, U.; Karawita, C.; Jacobson, D., "A procedure to study sub-synchronous interactions in wind integrated power systems," Power and Energy Society General Meeting (PES), 2013 IEEE , vol., no., pp.1,1, 21-25 July 2013. URL

March 2014