Professor Emeritus:Essam El-Din Mohamed Aboul Zahab
Electrical Power and Machines
Email :zahab0***yahoo.com
 
Qualifications
imgB.Sc. (1970) "Electrical Engineering" Cairo University (Egypt)
imgM.Sc. (1974) "Electrical Engineering" Cairo University (Egypt)
imgPh.D. (1979) "Electrical Engineering" Université Paul Sabatier (France)
 
Fields of Interest :
imgSwitchgear and Protection
imgElectrical Distribution Systems
imgIllumination Engineering.
imgElectrical Power Systems
 
Recent Publications :
img-2010-Doaa Khalil Ibrahim, El Sayed Tag Eldin, Essam Aboul-Zahab, and Saber Mohamed Saleh, “Unsynchronized Fault Location Scheme for Non-Linear HIF in Transmission lines”, IEEE Transactions On Power Delivery, Vol. 25, No. 2, April 2010, pp. 631-637.
img-2010-Doaa Khalil Ibrahim, El Sayed Tag Eldin, Essam Aboul-Zahab, and Saber Mohamed Saleh, “Real Time Evaluation of DWT-Based High Impedance Fault Detection in EHV Transmission”, International Journal of Electric Power Systems Research, Vol. 80, Issue 8, pp.907-917, August 2010.
img-2010-Doaa khalil Ibrahim, Ahmed Faheem Zobaa, Essam Abo El-Zahab, and Ghada M. Abo-Hamad, “Improving Mho and Quadrilateral Relays Performance during Power Swings”, International Review of Electrical Engineering, IREE, Italy, Vol. 5, No. 6, December 2010.
img-2009-El Sayed Tag Eldin, Doaa Khalil Ibrahim, Essam Aboul-Zahab, and Saber Mohamed Saleh ,"High impedance fault detection in EHV series compensated lines using the wavelet transform", IEEE Power Engineering Society, Power Systems Conference & Exposition (PSCE), Seattle, Washington, USA, March 15-18, 2009.
img-2008-E. Tag Eldin, Doaa khalil Ibrahim, E. M. Aboul-Zahab, S. M. Saleh, “High Impedance Faults Detection in EHV Transmission Lines ", the 12th international Middle-East Power System Conference (MEPCON‘2008), Aswan, Egypt, March 12-15, 2008, pp. 192-99.
img-2008-E. M. Aboul-Zahab, E. Tag Eldin, Doaa khalil Ibrahim, , S. M. Saleh, “High Impedance Fault Detection in Mutually Coupled Double-Ended Transmission Lines Using High Frequency Disturbances ", the 12th international Middle-East Power System Conference (MEPCON‘2008), Aswan, Egypt, March 12-15, 2008, pp. 412-19.
img-2007-El Sayed Tag Eldin, Doaa khalil Ibrahim, Essam M. Aboul-Zahab, and, Saber M. Saleh, "High Impedance Faults Detection in EHV Transmission Lines Using the Wavelet Transforms", Proceedings of the IEEE Power Engineering Society, General Meeting, Tampa, FL , USA, June 24-28, 2007.
img-2005-M.A. Salem, M.I. Gilany, Z. Osman, E. Aboul Zahab; “A New Algorithm for Current Transformers Saturation Detection”; Proceedings of the 10th International Middle East Power Conference MEPCON"2005, Egypt, Dec. 13-15, 2005, pp. 413-20.
img-2005-M.I. Gilany, E. Aboul Zahab, M.A. El Hadidy, Bahaa H. Soudy; “A New Method for Enhancement of Distance Relay Performance Against Open-Conductor Conditions”; Ibid, pp. 421-26.
img-2005-M.A. Salem, M.I. Gilany, Z. Osman, E. Aboul Zahab; “A New Algorithm for Compensating the Secondary Current During Current Transformer Saturation”; Ibid, pp. 427-33.
img-2005-M.B. Eteiba, W.I. Wahba, E. Aboul Zahab, M.I. Gilany; “A Combined ANN and Wavelet Transform Technique for Fault Classification in Distribution Networks”; Ibid, pp. 447-51.
img-2005-M.I. Gilany, E. Aboul Zahab, S.M. Saleh; “Neural Network-Based Technique for Reducing CCVT Errors Under Faults Conditions”; Ibid, pp. 489-93.
img-2005-M. M. Abdel Aziz, E. E. Aboul Zahab, and A. F. Zobaa, “LC compensation for nonlinear loads taking into account cost constraints,” Electric Power Components & Systems, vol.33, no.6, June 2005, pp.629-640.
img-2004-M. M. Abdel Aziz, E. E. Aboul Zahab, A. M. Ibrahim, and A. F. Zobaa, “LC compensators for power factor correction of nonlinear loads,” IEEE Transactions on Power Delivery, vol.19, no.1, January 2004, pp.331-336.
img-2004-M. M. Abdel Aziz, E. E. Aboul Zahab, A. M. Ibrahim, and A. F. Zobaa, “Practical considerations regarding power factor for nonlinear loads,” IEEE Transactions on Power Delivery, vol.19, no.1, January 2004, pp.337-341.
img-2003-M.M. Abdel Aziz, Aboul Zahab, A.M. Ibrahim, A.F. Zobaa; “Sizing of Capacitor to Optimize the Power factor at Non-sinusoidal Frequencies”; Electric Power Systems Research, Vol. 64, issue 1, Jan. 2003, pp. 81-85.
img-2003-M. M. Abdel Aziz, E. E. Aboul Zahab, A. M. Ibrahim, and A. F. Zobaa, “Effect of connecting shunt capacitance on nonlinear load terminals,” IEEE Transactions on Power Delivery, vol.18, no.4, October 2003, pp.1450-1454.
img-2003-M. M. Abdel Aziz, E. E. Aboul Zahab, and A. F. Zobaa, “Power factor and your electrical utility bill in Egypt,” IEEE Transactions on Power Delivery, vol.18, no.4, October 2003, pp.1567-1568.
img-2003-M.M. Abdel Aziz, E.M. Aboul Zahab, W. El-Mamlouk; “A rigorous Approach for Reduction of Harmonic Effects in Commercial Buildings”; Accepted paper for presentation at IASTED International Conf. On Power and Energy Systems, PES, 2003, Feb. 24-26, 2003, Palm Spring, USA.
img-2002-M.M. Abdel Aziz, E.M. Aboul Zahab, A. Ibrahim, A.F. Zobaa; “Skin Effect on Optimal Power Factor”; 2002 Larger Engineering Systems Conf. On Power Engineering, LESCOPEO2, Halifax, Canada, June 2002, pp. 76-8. Also accepted at IASTED- Euro PES 2002, 25-26 July 2002, Crete, Greece.
img-2002-M.M. Abdel Aziz, E.M. Aboul Zahab, A. Ibrahim, A.F. Zobaa; “Comparing Capacitive and LC Compensators for Power Factor Correction”; 10th International Conf. On Harmonics and Quality of Power, Rio de Janeiro, Brazil, Oct. 6-9, 2002. Also accepted at IEEE – PES/CSEE International Conf. On Power System Technology, POWERCONO2, Kumming, China, Oct. 13-17, 2002, Paper No. 0132. Also accepted at North American Power Symposium, Tempe, Arizona, USA, Oct. 14-15, 2002.
img-2002-M.M. Abdel Aziz, E.M. Aboul Zahab, A. Ibrahim, A.F. Zobaa; “Practical Considerations on Power Factors Correction for Non-linear Load”; 10th International Conf. On Harmonics and Quality of Power, Rio de Janeiro, Brazil, Oct. 6-9, 2002. Also accepted at North American Power Symposium, Tempe, Arizona, USA, Oct. 14-15, 2002.
img-2002-M.M. Abdel Aziz, Aboul Zahab, A.M. Ibrahim, A.F. Zobaa; “On the Economic Selection of Capacitive Compensator Sizes in Non-sinusoidal Conditions”; IEEE Power Engineering Review, Vol. 22, No.10, Oct. 2002, pp. 47-48.
img-2002-M.M. Abdel Aziz, Aboul Zahab, A.M. Ibrahim, A.F. Zobaa; “Effect of Terminal Capacitance on the Supply Current Distortion Factor”; Electric Power Systems Research, Vol. 63, issue 3, Oct. 2002, pp. 197-201.
img-2001-M.I. Gilany, E.M. Aboul Zahab, M. El-Hadidy, B. Hassan; “A Modified Distance Relay Setting Philosophy”, MEPCON 2001, Helwan, Egypt, pp. 339-343, Dec. 2001.
img-2000-M.M. Salem, A.M. Zaki, O.A. Mahgoub, E.M. Aboul Zahab, O.P. Malik; “Experimental Verification of a Generating Unit Excitation Neuro-Controller”; Proceedings, IEEE Power Engineering Society, Winter Meeting 2000, Singapore, Jan. 22-27, 2000 .
img-2000-M.M. Salem, A.M. Zaki, O.A. Mahgoub, E.M. Aboul Zahab, O.P. Malik; “Generating Unit Excitation Neuro- Controller”, IFAC Symposium on Power Plants & Power System Control 2000, Brussels, Belgium, April 26-29, 2000
img-2000-M.M. Salem, A.M. Zaki, O.A. Mahgoub, E.M. Aboul Zahab, O.P. Malik; “On-Line Trained Neuro-Controller with a Modified Error Function”; Canadian Conference on Electrical and Computer Engineering, Halifax, May 7-10, 2000 .
img-2000-M.M. Salem, A.M. Zaki, O.A. Mahgoub, E.M. Aboul Zahab, O.P. Malik; “Studies on a Multi-Machine Power System with a Neural Network Based Excitation Controller”; Proceedings, IEEE Power Engineering Society, Summer Meeting 2000, Seattle, USA, July 16-20, 2000.
img-2000-A.M. Ebrahim, M.A. Farahat, M.M. Abdel Aziz, E.M. Aboul Zahab; “New Al-Cu Bimetallic Cable Junction”; Proceeding of Abstracts of VPEC 2000 Conference 35th University of Power Engineering Conference, Queen’s University of Belfast, pp. 45, 2000
img-2000-A.M.F. El-Refaie, M.M. Abdel Aziz, S.A.Y. Khorshid, E.M. Aboul Zahab; “Effect of Combined Velocity and Pressure on life time of Carbon Brushes”; IEEE-Transactions on Energy Conversion, Vol. 15, No. 2, pp. 176-180, June 2000.
img-1999-E. Ahmed, M.M. Abdel Aziz, E.M. Aboul Zahab, W. Xu; “Investigation and Mitigation of Harmonics from Electric Arc Furnaces”; Proceedings of the 1999 IEEE Canadian Conf. On Electrical and Computer Engineering, Edmonton, Alberta, Canada, May 9-12, 1999, pp. 1126-31.
img-1999-Y. Atia, O. Mahgoub, M. Kamel, S. El-Hefnawi, E.M. Aboul Zahab; “Direct Torque Control of Photovoltaic Pumping System”; Technical Digest of the International PVSEC-11, Sapporo, Hokkaido, Japan, 1999 .
img-1998-A. Nafeh, F.H. Fahmy, O.A. Mahgoub, E.M. Aboul Zahab; “Developed Algorithm of Maximum Power Tracking for Stand-Alone photovoltaic System”, ENERGY SOURCES Journal of Extraction, Conversion, and Environment, Vol. 20, No. 1., pp. 35-53, Jan –1998.
img-1998-A. Nafeh, F.H. Fahmy, O.A. Mahgoub, E.M. Aboul Zahab; “Microprocessor Control System for Maximum Power Operation of PV Arrays”; Cairo 6th International Conference on Energy and Environment, pp. 247-51, Cairo, Egypt, May : 18-21, 1998 .
img-1998-M.I. Gilany, E.M. Aboul Zahab, M. El-Hadidy, B. Hassan; “Numerical Distance Relay Settings : Problems and Solutions”; Proceedings of the 6th Middle-East Power Systems Conference MEPCON’ 98, Mansoura, Egypt, December 15-17, 1998, pp. 303-8.
img-1997-M.I. Gilany, A. Mahfouz, E.M. Aboul Zahab; “100% Digital stator Earth Fault Protection for Synchronous Generators”; Proceedings of the 5th International Middle East Power Conference MEPCON’ 97, Alexandria, Egypt, January 4-6, 1997, pp. 520-4 .
img-1997-M.I. Gilany, E.M. Aboul Zahab, M.M. Abdel Aziz, A.A. Kassem; “A new Digital Technique for Power cables Differential Protection” Ibid, pp. 252-9
img-1997-A.M. Zaki, A.A. Mansour, O.A. Mahgoub, E.M. Aboul Zahab; “Solid – State Power Factor Correction Using Voltage-Source Inverter Self-Controlled Dc Bus”; 7th European Conference on Power Electronics and Applications, Norway, 8-10 Sep., 1997 .
img-1993-M.M. Abdel Aziz, E. Aboul Zahab, S.A. El-Adawy, H.K. Yossef; “Electric Energy Consumption in Cement Industry and a New Method for Forecasting its Maximum Demand”; Journal of Egyptian Society of Engineers, Vol. 32, No.1, 1993, pp. 29-34.
img-1992-M. Abo-El-Magd, M.I. Gilany, E. Aboul Zahab; “A New Digital Relaying for Transmission Line Protection”; Journal of Engineering and Applied Science, Vol. 36, No.5, Faculty of Engineering, Cairo University, Oct. 1992, pp. 612-24.
img-1989-A.-R.M Zaghloul, E. Aboul Zahab; Pre-Breakdown Photoelectric Monitoring of AC Gaps”, IEEE Transactions on Industry Applications, Vol. 25, No.2, March/ April 1989, pp. 230 – 33.
img-1989-E.M. Aboul Zahab, M.A. Abou-EL-Magd, M.M. Abdel Aziz, A.A. Kassem; “Comparative Study of Power Cables Ampacity Evaluations”; Proceedings of the Middle East Power Conference, MEPCON’ 89, Cairo-Assiut, Egypt, January, 1989, Vol. Pp. 62-6 .
img-1989-M.A. Abou-El-Magd, E.M. Aboul Zahab, F. Oraby; “Traveling Wave based Distance Protection”; Ibid, Vol. 2, pp. 446-50.
img-1988-M.M. Abdel Aziz, E.M. Aboul Zahab, A.A.E. Kassem; “Prediction and Elimination of Hot Spots at the Crossing Regions of H.V. Cables”, IEEE Transactions on Power Delivery, Vol. 3, No3, July, 1988, pp. 845-9 .
img-1987-A.-R.M. Zaghloul, M. Elshazly, E.M. Aboul Zahab; “Pre-Breakdown Indicators of Different Air Gap Geometries”; Proceedings of the IASTED International Symposium on Simulation, Modeling and Development-SMD’ 87, Cairo, Egypt, March, 1987, pp. 160-3 .
img-1987-A.-R.M. Zaghloul, E.M. Aboul Zahab, M. Elshazly; “Laser Probing of Air Gaps under AC Conditions”; Proceedings of the 5th International symposium on Dielectrics, Knoxville, Tennessee, U.S.A., May, 1987, pp. 255-61 .
img-1987-A.-R.M. Zaghloul, M. Elshazly, E.M. Aboul Zahab; “Optical Signatures of the Breakdown Processes of Insulating Oil”; Conference Record of the 9th International Conference on Conduction and Breakdown in Dielectric Liquids, Salford, ENGLAND, July, 1987, pp. 360-4.
img-1987-A.-R.M. Zaghloul, M. Elshazly, E.M. Aboul Zahab; “High-Voltage Measurements by a Laser Probe”; Conference Record of the 1987 IEEE Industry Applications Society Annual Meeting, Part II, Atlanta, Georgia, U.S.A., October, 1987 , pp. 1518-20 .
img-1986-M.M. Abdel Aziz, E.M. Aboul Zahab; “Effect of Forced Cooling on High Voltage D.C. Oil Filled Cables ”; Proceeding of the 11th International Congress for statistics, Computer Science, Social and Demographic Research, Cairo-Egypt, 29 March-3 April, 1986, pp. 69-82 .
img-1986-M.M. Abdel Aziz, E.M. Aboul Zahab, M.A. Abou-El-Magd, M.A. El-Wageeh, M.A. Zohdy; “Rating Factors of Underground Distribution Cables ”; IASTED International Conference on High Technology in the Power Industry, Bozeman, MT., U.S.A., 20-22 August, 1986 .
img-1986-A.-R.M. Zaghloul, E.M. Aboul Zahab; “Pre-Breakdown Electrode-Monitoring of Gaps ”; Proceedings of the IEEE Industry Applications Society, 21st Annual Meeting, Denver, Colorado, U.S.A., Sep. 28-Oct. 3, 1986, pp. 1191-4.
img-1986-A.-R.M. Zaghloul, E.M. Aboul Zahab; “Space-Charge Development in a Point-to-Plane Gap under AC Conditions ”; Ibid, pp. 1195-8 .
img-1986-A.-R.M. Zaghloul, M. Elshazly, E.M. Aboul Zahab; “Monitoring of Space Charge in Point-to-Plane AC Spark Break-down”; Proceedings of the 19th symposium on Electrical Insulating Materials, Tokuyo, Japan, Sep. 30-Oct. 1, 1986, pp. 101-4 .
img-1985-A. Bahgat, E.M. Aboul Zahab, M.H. El-Sayed; “Development of Feedback Control Circuit for H.V. Testing Transformer ”; Proceedings of the Second Jordan International Electrical and Electronic Engineering Conference (JIEEEC’ 85), Amman-Jordan, 28 April – 1 May, 1985, pp. 315-20 .
img-1985-M.M. Abdel Aziz, E.M. Aboul Zahab; “Oil Pressure Rise of High Voltage Bushing”; Journal of the Egyptian Society of Engineers, Vol. 24, No. 1, 1985, pp. 35-36.
img-1984-E.M. Aboul Zahab; “Optimization of Bus Bar Cooling by Heat Pipes ”; IASTED International Conference, ENERGY AND ENVIRONMENTAL SYSTEMS (EES’ 84), Nice-France, 19-21 June, 1984 .
img-1984-M.M. Abdel Aziz, E.M. Aboul Zahab, H. Abdo; “Prediction of Cable Joint Dielectric Life Time ”; Ibid .
img-1983-M.M. Abdel Aziz, E.M. Aboul Zahab, A.A. El-Moursi; “Conductor Temperature Distribution of Oil Filled Cable Joints Laid in Soil”; Eighth International Congress for Statistics, Computer Science, Social & Demographic Research, Cairo, Egypt, 26-31 march 1983, Vol. III, pp. 153-60.
img-1983-M.M. Abdel Aziz, E.M. Aboul Zahab; “Evaporative Cooling of Bus Bars”; 3rd Multi-phase Flow and Heat Transfer Symposium-Workshop, Miami Beach, Florida, USA., 18-20 April 1983 .
img-1983-M.M. Abdel Aziz, A. El-Tobshy, E.M. Aboul Zahab, S.E. Abo-Shady; “Evaporative Cooling of Thyristor Groups”; Ibid.
img-1983-M.M. Abdel Aziz, A. El-Tobshy, S.E. Abo-Shady, E.M. Aboul Zahab; “Control of Thyristor Temperature via Evaporative Cooling ”; 4th IASTED International Symposium, Modeling and Simulation ,Lugano, Switzerland, June 21-24, 1983, pp. 312-14.
img-1983-M.M. Abdel Aziz, E.M. Aboul Zahab, L. Ahmed, R. Atia; “Effect of Used Cooling Liquid on Evaporative Cooled bus Bar ”; AFRICON ” 83, IEEE African Electrical Technology conf., Nairobi, Kenya, 7-9 dec. 1983, pp. D1.2.1-D1.2.6.
img-1983-M.M. Abdel Aziz, A. El-Tobshy, S. Abo-Shady, E.M. Aboul Zahab; “Optimum Evaporative Cooling of Thyristors ”; Ibid, pp. F2.2.1-F2.2.3.
img-1983-M.M. Abdel Aziz, E.M. Aboul Zahab, H. Abdo; “Computerized Steady State Thermal Analysis of Cable Joint Cooling by Heat Pipe ”; 18th Annual Conf. On Statistics, Computer Science, Operations Research, Math. and its Applications, Cairo, Egypt, 26-29 Dec. 1983, pp. 113-24.
img-1983-M.M. Abdel Aziz, E.M. Aboul Zahab, H. Abdo; “Computerized Transient Thermal Analysis of Cable Joint ” Ibid, pp. 125-41.
img-1982-E. Aboul Zahab, C. Huraux, W. Plueksawan; “ Apparatus designed to Measure Phase Angles for Detecting an Interaction between a Superficial Discharge and an Insulating Surface ” ; Rev. Sci. Instrum. 53 (4), April 1982, pp. 509-14.
img-1982-M.M. Abdel Aziz, E.M. Aboul Zahab; “Solar Heating of Poultry Farms ”; - Fifth IASTED international Symposium, MECO 82, Tunis, 1-3 Sep. 1982, Vol. 1,p. 71 .
img-1982-M.M. Abdel Aziz, S.E. Abo Shady, E.M. Aboul Zahab, K. Gibriel; “Increase of Transformer Rating Using Heat Pipes ” ; Proceedings (part 2) of the International Conf. on Electrical Machines, Budapest, Hungary, 5-9 Sep. 1982, pp. 711-14 .
img-1980-M.K. Gohar, F. Abdel Aal Mohamed, I. Kholaif, E. Aboul Zahab; “The Mechanics and Corresponding Forces and Stresses of Overhead Lines during Installation and Erection ”; First Conf. for Theoretical and Applied Mechanics, Cairo, 16-18 Dec. 1980, pp. 33-44 .