Professor/أستاذ:Ahmed Fahim Taha Zobaa
Electrical Power and Machines
Email :A.ZOBAA***eng.cu.edu.eg
Home Page :http://www.eng.cu.edu.eg/users/a.zobaa
 
Qualifications
imgB.Sc. (1992) "Electrical Engineering" Cairo University (Egypt)
imgM.Sc. (1997) "Electrical Engineering" Cairo University (Egypt)
imgPh.D. (2002) "Electrical Engineering" Cairo University (Egypt)
 
Fields of Interest :
imgLighting Applications
imgHarmonic problems in power systems
imgPower quality problems in power systems
imgEvaluation and compensation of reactive power with capacitors and filters (passive or active)
imgDesign and optimization of wind energy systems
imgPhotovoltaic systems: design, performance analysis, and cost benefit analysis
imgDistributed Generation and advanced energy conversion
imgEnergy development and power generation
imgEducation and Distance Learning
 
Recent Publications :
img-2006-A. F. Zobaa, M. I. Gilany, and M. M. Abdel Aziz, “The impact of shunt compensation on total harmonic distortion,â€‌ International Journal of Power & Energy Systems, vol. 26, no. 1, January 2006, pp.89-96.
img-2006-A. F. Zobaa, “Practical solutions for harmonics problems produced in the distribution networksâ€‌ Journal of Electrical Systems, vol.2, no.1, March 2006, pp.13-28.
img-2006-A. F. Zobaa, “Voltage harmonic reduction for randomly time-varying source characteristics and voltage harmonics,â€‌ IEEE Transactions on Power Delivery, vol.21, no.2, April 2006, pp.816-822.
img-2006-A. F. Zobaa, “Maintaining a good power factor and saving money for industrial loads,â€‌ IEEE Transactions on Industrial Electronics, vol.53, no.2, April 2006, pp.710 - 712.
img-2006-M. M. Abdel Aziz, A. F. Zobaa, A. M. Ibrahim, and A. M. Abdel Monem, “Effect of time variation of system impedance and voltage harmonics on LC compensation for nonlinear loads,â€‌ IEE Proceedings-Electric Power Application, vol.153, no.4, July 2006, p
img-2006-A. A. Adly, A. F. Zobaa, and G. J. Nolan “Trends, features and recent research efforts of hybrid electric vehicles,â€‌ International Journal of Alternative Propulsion, vol.1, no.1, 2006, pp.1 - 5.
img-2006-K. A. Nigim, and A. F. Zobaa, “Development and opportunities of distributed generation fueled by renewable energy sources,â€‌ Inernational Journal of Global Energy Issues, vol.26, no.3/4, 2006, pp.215 - 231.
img-2006-A. F. Zobaa, K. A. Nigim, and R. C. Bansal, “ Technology of VAr compensators for induction generator applications in wind energy conversion systems,â€‌ Journal of Electrical Systems, vol.2, no.3, September 2006, pp.172 - 184.
img-2006-A. F. Zobaa, and C. Cecati, “A Comprehensive review on distributed power generationâ€‌ International Symposium on Power Electronics, Electrical Drives, Automation and Motion, SPEEDAM 2006, Taormina (Sicily), Italy, May 23-26, 2006, pp.514 - 518.
img-2006-A. F. Zobaa, and W. J. Lee, “The globalization of energy markets in Asia,â€‌ 2006 IEEE Power Engineering Society General Meeting, Montreal, Quebec, Canada, June 18-22, 2006.
img-2006-A. F. Zobaa, and J. S. McConnach, “International response to climate change: An overview,â€‌ 2006 IEEE Power Engineering Society General Meeting, Montreal, Quebec, Canada, June 18-22, 2006.
img-2006-A. F. Zobaa, “Distributed resources and distribution system infrastructure,â€‌ 2006 IEEE Power Engineering Society General Meeting, Montreal, Quebec, Canada, June 18-22, 2006.
img-2006-A. F. Zobaa, and M. G. Jovanovic, “A comprehensive overview on reactive power compensation technologies for wind power applicationsâ€‌ 12th International Power Electronics and Motion Control Conference, EPE – PEMC 2006, Portoroz , Slovenia, August 30 -
img-2006-M. H. Antchev, A. F. Zobaa, and M. P. Petkova, “Economics reasons to use shunt active power filters,â€‌ The Fifteenth International Scientific and Applied Science Conference, Electronics ET’ 2006, September 20 – 22, 2006, Sozopol, Bulgaria.
img-2006-A. F. Zobaa, and W. J. Lee, “The optimal LC compensator corresponding to maximum annual reduction in the source lossesâ€‌ IEEE / IAS 41st Annual Conference, IAS 2006, Tampa, Florida, October 8 -12, 2006.
img-2006-M. M. Abdel Aziz , A. F. Zobaa, and A. A. Hosni, “Neural network controlled shunt active filter for non linear loads,â€‌ The Eleventh International Middle East Power Systems Conference, MEPCON’ 2006, El-Minia, Egypt, December 19-21, 2006.
img-2006-E. E. Abou El-Zahab, A. F. Zobaa, and H. Y. Mahmoud, â€‌ Power quality issues of fluorescent lamp circuits with magnetic ballast,â€‌ The Eleventh International Middle East Power Systems Conference, MEPCON’ 2006, El-Minia, Egypt, December 19-21, 2006.
img-2006-M. M. Abdel Aziz , A. F. Zobaa, and H. A. El-sherbiny, “Customer generated harmonic compensation using shunt active power filters,â€‌ The Eleventh International Middle East Power Systems Conference, MEPCON’ 2006, El-Minia, Egypt, December 19-21, 2006.
img-2006-A. F. Zobaa, and P. Naidoo, “Electric power development and trade, and power sector reform in Africa,â€‌ 2006 IEEE Power Engineering Society General Meeting, Montreal, Quebec, Canada, June 18-22, 2006.
img-2005-A. F. Zobaa, “Climate change risks and financial sector,â€‌ 2005 IEEE Power Engineering Society General Meeting, San Francisco, California, June 12-16, 2005, pp. 100-105.
img-2005-A. F. Zobaa, “Energy security in the Asia-Pacific region,â€‌ 2005 IEEE Power Engineering Society General Meeting, San Francisco, California, June 12-16, 2005, pp. 152-157.
img-2005-A. F. Zobaa, “An overview of the different situations of renewable energy in the European union,â€‌ International Conference on Electric Power Engineering, PowerTech 2005, St.Petersburg, Russia, June 27-30, 2005. Paper # 290-7.
img-2005-A. F. Zobaa, “Optimum Trade-off of flux switching generator and AC/DC converter,â€‌ 4th International Conference on Electrical and Electronics Engineering, ELECO 2005, Bursa, Turkey, December 7-11, 2005.Paper#A2-08.
img-2005-A. F. Zobaa, “Southern African Power Pools,â€‌ 2005 IEEE Power Engineering Society General Meeting, San Francisco, California, June 12-16, 2005, pp. 84-89.
img-2005-A. F. Zobaa, “Cost effective applications of power factor correction for nonlinear loads,â€‌ IEEE Transactions on Power Delivery, vol.20, no.1, January 2005, pp.359-365.
img-2005-A. F. Zobaa, and M. M. Abdel Aziz, “The most economical power factor correction according to tariff structures in Egypt,â€‌ IEEE Transactions on Power Delivery, vol.20, no.2, April 2005, pp.912-918.
img-2005-A. F. Zobaa, “The optimal passive filters to minimize voltage harmonic distortion at a load bus,â€‌ IEEE Transactions on Power Delivery, vol.20, no.2, April 2005, pp.1592-1597.
img-2005-M. M. Abdel Aziz, E. E. Abou El-Zahab, and A. F. Zobaa, “LC compensation for nonlinear loads taking into account cost constraints,â€‌ Electric Power Components & Systems, vol.33, no.6, June 2005, pp.629-640.
img-2005-K. A. Nigim, A. F. Zobaa, and I. El-Amin, “An introduction to reactive power compensation for wind farms,â€‌ Inernational Journal of Energy Technology and Policy, vol. 3, no. 3, 2005, pp.185-195.
img-2005-A. F. Zobaa, “Harmonic adjusted power factor correction in nonsinusoidal environment,â€‌ IEE Proceedings-Electric Power Application, vol.152, Issue 4, July 2005, pp.960 - 966.
img-2005-A. F. Zobaa, “Non-Fundamental apparent power optimization using passive filters,â€‌ Electric Power Systems Research Journal, vol.76, issues 1-3, September 2005, pp. 38-45.
img-2005-R. C. Bansal, A. F. Zobaa, and R. K. Saket, “Some issues related to power generation using wind energy conversion systems: An Overview,â€‌ International Journal of Emerging Electric Power Systems, vol.3, no.2, October 2005, Article 1070.
img-2005-W. Freitas, A. F. Zobaa, J. C. M. Vieira, and J. S. McConnach, “Issues related to wind energy conversion systems,â€‌ Inernational Journal of Energy Technology and Policy, vol. 3, no. 4, 2005, pp.313-323.
img-2004-A. Zobaa, “Status of international interconnections in North Africa,â€‌ 2004 IEEE Power Engineering Society General Meeting, Denver, Colorado, June 6-10, 2004, pp.1402-1404.
img-2004-M. A. Farahat and A. Zobah, “Active filter for power quality improvement by artificial neural networks technique,â€‌ 39th International Universities Power Engineering Conference, UPEC 2004, Bristol, UK, September 6-8, 2004, vol.2, pp.878-883.
img-2004-A. F. Zobaa, “Comparing power factor and displacement power factor corrections based on IEEE Std. 18-2002,â€‌ 11th International Conference on Harmonics and Quality of Power, ICHQP’04, Lake Placid, New York, September â€ڈ12-15, 2004, pp.1-5.
img-2004-A. F. Zobaa, “Harmonic problems produced from the use of Adjustable Speed Drives in industrial plants: Case study,â€‌ 11th International Conference on Harmonics and Quality of Power, ICHQP’04, Lake Placid, New York, September â€ڈ12-15, 2004, pp.6-10.
img-2004-M. M. Abdel Aziz, A. F. Zobaa, A. M. Ibrahim, and A. M. Abdel Monem, “Effect of time variation of system impedance and voltage harmonics on LC compensation for nonlinear loads,â€‌ ICHQP’04, Lake Placid, New York, September â€ڈ12-15, 2004, pp.77-82.
img-2004-M. M. Abdel Aziz, E. E. Abou El-Zahab, A. M. Ibrahim, and A. F. Zobaa, “LC compensators for power factor correction of nonlinear loads,â€‌ IEEE Transactions on Power Delivery, vol.19, no.1, January 2004, pp.331-336.
img-2004-M. M. Abdel Aziz, E. E. Abou El-Zahab, A. M. Ibrahim, and A. F. Zobaa, “Practical considerations regarding power factor for nonlinear loads,â€‌ IEEE Transactions on Power Delivery, vol.19, no.1, January 2004, pp.337-341.
img-2004-A. F. Zobaa, “A new approach for voltage harmonic distortion minimization,â€‌ Electric Power Systems Research Journal, vol.70, issue 3, August 2004, pp.253-260.
img-2004-A. F. Zobaa, and M. M. Abdel Aziz, “LC compensators based on transmission loss minimization for nonlinear loads,â€‌ IEEE Transactions on Power Delivery, vol.19, no.4, October 2004, pp.1740-1745.
img-2003-M. M. Abdel Aziz, E. E. Abou El-Zahab, A. M. Ibrahim, and A. F. Zobaa, “Sizing of capacitors to optimize the power factor at non-sinusoidal frequencies,â€‌ Electric Power Systems Research, vol.64, issue 1, January 2003, pp.81-85.
img-2003-A. F. Zobaa, “Capacitive compensation at nonsinusoidal buses based on IEEE Std 18-1992,â€‌ IEEE Transactions on Power Delivery, vol.18, no.4, October 2003, pp.1562-1563.
img-2003-M. M. Abdel Aziz, E. E. Abou El-Zahab, and A. F. Zobaa, “Power factor and your electrical utility bill in Egypt,â€‌ IEEE Transactions on Power Delivery, vol.18, no.4, October 2003, pp.1567-1568.
img-2003-M. M. Abdel Aziz, E. E. Abou El-Zahab, A. M. Ibrahim, and A. F. Zobaa, “Effect of connecting shunt capacitance on nonlinear load terminals,â€‌ IEEE Transactions on Power Delivery, vol.18, no.4, October 2003, pp.1450-1454.
img-2003-A. F. Zobaa, and E. M. Tag El-Din, “Power factor optimization based on manufacturers standards of the capacitors for nonlinear loads,â€‌ 2003 Large Engineering Systems Conference on Power Engineering, LESCOPE’03, Montreal, Quebec, Canada, May 7-9, 200
img-2003-M. M. Abdel Aziz, E. E. Abou El-Zahab, and A. F. Zobaa, “LC compensators based on cost minimization for nonlinear loads,â€‌ 2003 Large Engineering Systems Conference on Power Engineering, LESCOPE’03, Montreal, Quebec, Canada, May 7-9, 2003, pp.143-147.
img-2002-M. M. Abdel Aziz, E. E. Abou El-Zahab, A. M. Ibrahim, and A. F. Zobaa, “Skin effect on optimal power factor,â€‌ 2002 Large Engineering Systems Conference on Power Engineering, LESCOPE’02, Halifax, Nova Scotia, Canada, June 26-28, 2002, pp.76-78.
img-2002-M. M. Abdel Aziz, E. E. Abou El-Zahab, A. M. Ibrahim, and A. F. Zobaa, “Effect of terminal capacitance on the supply current distortion factor,â€‌ 2002 Large Engineering Systems Conference on Power Engineering, LESCOPE’02, Halifax, Nova Scotia, Canada,
img-2002-M. M. Abdel Aziz, E. E. Abou El-Zahab, A. M. Ibrahim, and A. F. Zobaa, “Comparing capacitive and LC compensators for power factor correction,â€‌ 10th International Conference on Harmonics and Quality of Power, ICHQP’02, Rio de Janeiro, Brazil, October
img-2002-M. M. Abdel Aziz, E. E. Abou El-Zahab, A. M. Ibrahim, and A. F. Zobaa, “Practical considerations on power factor correction for nonlinear loads,â€‌ 10th International Conference on Harmonics and Quality of Power, ICHQP’02, Rio de Janeiro, Brazil, Octob
img-2002-M. M. Abdel Aziz, E. E. Abou El-Zahab, A. M. Ibrahim, and A. F. Zobaa, “On the economic selection of capacitive compensator sizes in nonsinusoidal conditions,â€‌ IEEE Power Engineering Review, vol.22, issue 10, October 2002, pp.47-48.
img-2002-M. M. Abdel Aziz, E. E. Abou El-Zahab, A. M. Ibrahim, and A. F. Zobaa, “Effect of terminal capacitance on the supply current distortion factor,â€‌ Electric Power Systems Research, vol.63, no.3, October 2002, pp.197-201.