Research interests

Power system reliability, power system analysis, generation and transmission planning, utility restructuring and spot pricing.

Selected publications

Journal publications

1. R. Ghajar and E. Badr, “An Experimental Study of a Collector- and Diffuser-System on a Small Demonstration Wind Turbine”, International Journal of Mechanical Engineering Education, Vol. 36, No. 1, 2008, pp. 58-68.
2. R. Chedid, M. Kobrosly and R. Ghajar, “The Potential of Gas-To-Liquid Technology in the Energy Market: The Case of Qatar”, Energy Policy, Vol. 35, Issue 10, 2007, pp. 4799 -4811.
3. R. Chedid, M. Kobrosly and R. Ghajar, “A Supply Model for Crude Oil and Natural Gas in the Middle East”, Energy Policy, Vol. 35, 2007, pp. 2096-2109.
4. R. Ghajar and R. Billinton, “Economic Costs of Power Interruptions: A Consistent Model & Methodology”, Journal of Electrical Power & Energy Systems, Vol. 28, 2006, pp. 29-35.
5. R. Chedid and R. Ghajar, “Assessment of energy efficiency options in the building sector of Lebanon”, Energy Policy, Vol. 32, 2004 pp. 647-655.
6. R. Ghajar and J. Khalife, “Cost/benefit analysis of an AMR system to reduce electricity theft and maximize revenues for Electricite du Liban”, Applied Energy, Vol. 76, 2003, pp. 25-37.
7. R. Ghajar, J. Khalife and B. Richani, “Design and cost analysis of an automatic meter reading system for Electricite du Liban”, International Journal of Utilities Policy, Vol. 9/4, 2002, pp. 193-205.
8. R. Ghajar, “Evaluation of the Marginal Outage Costs in Generating Systems Using Quantitative Power System Reliability Techniques”, Quality and Reliability Engineering International, Special Issue on Power System Reliability, Vol. 14, 1998, pp. 129-136.
9. P.M. Anderson, G.M. Chintaluri, S.M. Magbuhat and R. Ghajar, “An Improved Reliability Model for Redundant Protective Systems - Markov Models”, IEEE Trans. on PWRS, Vol. 12, No. 2, May 1997, pp. 573-578.
10. R. Billinton, H. Chen and R. Ghajar, “A Sequential Simulation Technique for Adequacy Evaluation of Generating Systems Including Wind Energy”, IEEE Trans. on Energy Conversion, Vol. 2, No. 4, December 1996, pp. 728-734.

Conference publications

1. R. Ghajar and R. Chedid, “The Roles of Natural Gas and Regional Energy Exchanges in Mitigating GHG Emissions: The Case of Lebanon”, IEEE PowerTech’2005 International Conference, Conference Proceedings, St. Petersburg, Russia, June 27-30, 2005.
2. R. Ghajar , “Risk Analysis of an Automatic Meter Reading System for Electricite Du Liban”, International Conference on Power and Energy Systems, International Association of Science and Technology for Development (IASTED), Conference Proceedings, Clearwater Beach, FL, USA, November 28 - December 1, 2004, pp. 228-233.
3. R. Ghajar, “Restructuring of the Lebanese Electric Power Sector: An Independent Study”, PowerCon’2003 - Special Theme: Blackout, International Association of Science and Technology for Development (IASTED), Conference Proceedings, New York, U.S.A., December 10-12 2003, pp. 147-152.
4. E. Badr and R. Ghajar, “Power Augmentation of Wind Turbines: Experimental Study”, International Conference on Power and Energy Systems, International Association of Science and Technology for Development (IASTED), Conference Proceedings, Marbella, Spain, September 3-5 2003, pp. 63-68.
5. J. Khalife and R. Ghajar, “Modernization of Procedures for Electricity Metering and Revenue Collection at Electricite Du Liban”, Fourth National Energy Congress, Conference Proceedings, Tehran, Iran, May 10-11 2003, pp. 105-113.
6. R. Ghajar and S. Bizri, “Evaluation of the Electric Generating System at LAU’s Byblos Campus”, International Conference on Research Trends in Science and Technology, Conference Proceedings, Lebanese American University, Beirut, Lebanon, March 4-6 2002, pp. 425-439.
7. R. Ghajar and M. Hazzouri, “Simulation of Six-Phase Symmetrical Components Using Visual Basic 6.0”, International Conference on Research Trends in Science and Technology, Conference Proceedings, Lebanese American University, Beirut, Lebanon, March 4-6 2002, pp. 561-568.
8. R. Ghajar and G. Ibrahim, “The Lebanese Electric Power System: From a War-Torn to a Reliable System”, International Conference on Power and Energy Systems, International Association of Science and Technology for Development (IASTED), Conference Proceedings, Rhodes Greece, July 3-6 2001, pp. 292-296.
9. R. Ghajar and K. Saikali, “A User-Friendly and Fast Program for the Simulation of Power System Faults”, 7th IEEE International Conference on Electronics, Circuits and Systems (ICECS’2K), Conference Proceedings, Vol. 2, Kaslik Lebanon, December 17-20 2000, pp. 729-732.
10. R. Ghajar and R. Billinton, “A User-Friendly Tool for Building a Consistent Reliability Database”, International Conference on Power and Energy Systems, International Association of Science and Technology for Development (IASTED), Conference Proceedings, Marbella, Spain, September 19-22 2000, pp. 552-557.

Professional memberships

• National Committee on Setting Standards of the Effects EMF from EHV Transmission Lines on Public Health
• Inter-Ministerial Committee chaired by the Prime Minister charged with follow-ups on the power sector reforms program
• Committee of Peers

Academic degrees

Ph.D., Electrical Engineering-Power Systems, University of Saskatchewan, Canada, 1993
M.S., Electrical Engineering, University of Saskatchewan, Canada, 1987
B.S., Electrical Engineering, University of Ottawa, Canada, 1983