Publications

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1980
Osman, Z., and Punt, "Optimal Value of Grounding Currents in High Voltage Transmission Networks", Electrie, vol. 34, issue 10, pp. 507 510, 1980.
1982
Bahgat, A., and Z. Osman, "Perturbation Analysis of Synchronous Machine Set Connected to Power System", Annual Operation Research Conference, Egypt, Feb. 1982.
Bahgat, A., and Z. Osman, "Low Damped Electro Mechanical Oscillations in Electrical Power Systems", International Conference on Technology for Development, Egypt, May 1982.
1983
Osman, Z., "Optimal Tilting Strategy for a Solar Cells Panel with Side Wall Reflectors at Latitude 24 N", International Journal of Energy Systems, vol. 3, issue 3, pp. 100-103, 1983.
Bahgat, A., and Z. Osman, "Improving the Operational Performance of Synchronous Generators with Static excitation Controllers", Jordan International Electrical and Electronic Engineering Conference, Jordan, April 1983.
Osman, Z., "Limitation of Ground Fault Currents in the Cairo 500/220 Autotransformer Substation", 8th Annual Conference in Statistics, Computer Science, Information and Operation Research, Egypt, Dec. 1983.
Bahgat, A., and Z. Osman, "Low Damped Electromechanical Oscillations in Electric Power Network", Africon Electrical TechnoloRv Conference AFRICON 83, Nairobi, Kenya, Dec. 1983.
Osman, Z., and M. Mostafa, "A Study of Fault Currents and Voltages Caused by Different Fault Types in the 220 Kv Network of lower Egypt", 9th Annual Operation Research Conference, Egypt, Feb. 1983.
Osman, Z., and E. L. M. Shibini, "Technical and Economical Study of a Small Scale Photovoltaic Pumping System in Egypt", Mediterranean Electrotechnical Conference MELECON ' 83, Greece , May 1983.
1984
Hussein, A. M., E. L. M. Shibini, Z. Osman, and T. Sharaf, "An Efficient Load Flow Code and its Application to the Unified Egyptian Power System", 9th Annual Conference in Statistics, Computer Science, Information and Operation Research, Egypt, Dec. 1984.
1986
Osman, Z., and M. Mostafa, "Effects of Electric Power System Parameters on System Variables During Faulted Conditions", International conference for Statistics and Computer Science, Egypt, March 1986.
1987
Osman, Z., T. Sharaf, E. L. M. Shibini, and A. M. Hussein, "Optimal Power Flow Solutions at Different Load Levels, ¬Application to Egyptian Power System", First Symposium on Electric Power Systems in Fast Developing Countries, KSA, March 1987.
1988
Osman, Z. H., and E. L. A. M. K. Morshedy, "A Computerized Method for Determination the Generator Neutral Grounding Type in Industrial Power Systems", Modeling , Simulation, and Control, vol. 24, issue 3, pp. 1-40, 1988.
Osman, Z. H., "Control of Reactive Power in Primary Distribution Feeders with Lateral Branches", 23th Annual Conference in Statistics, Computer Science and Operation Research, Egypt, 1988. Abstract

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Osman, Z. H., "Effects of Power System Constraints on the Optimal Load Flow Solution", International Conference High Technology in Power industry, USA , March 1988.
1989
Osman, Z., M. Soliman, M. E. L. Shibini, and A. M. Hussein, "Economic Feasibility Study of a Solar Refrigerator System in Aswan, Egypt", Modeling , Simulation, and Control, vol. 25, issue 1, pp. 25-34, 1989.
Osman, Z. H., "Evaluating the Accuracy of the Digital Calculation of Fault Variables", Modeling , Simulation, and Control, vol. 25, issue 1, pp. 15-54, 1989.
Osman, Z. H., and E. L. M. Shibini, "Fuel Cost Savings of Load Management, Application to Egyptian Power System", International Journal of Energy Systems, vol. 9, issue 3, pp. 132-136, 1989.
Osman, Z. H., M. A. Farrag, and K. E. L. Farra, "New Technique for Fast Economic Load Dispatch", Modeling , Simulation, and Control, vol. 25, issue 4, pp. 45 56, 1989.
Shibini, E. L. M., and Z. H. Osman, "A Novel Technique to Estimate Fuel Cost Functions for Economic Operation of Power Systems", International Journal of Electrical Power and Energy Systems, vol. 11, issue 2, pp. 1109-1140, 1989.
T.Sharaf, E. L. M. Shibini, Z. H. Osman, and P. Groumpos, "The Reserve Constrained Optimal Load Flow as Applied to The Integrated Electric Grid of Egypt", Modeling , Simulation, and Control, vol. 25, issue 1, pp. 1-14, 1989.
Osman, Z. H., M. A. Farrag, and K. E. L. Farra, "New Algorithm for Fast Economic Dispatch Based on Jacobian Matrix", AL Azhar Eng. First Conference AEC' 89, Egypt, 1989.
Z.H.Osman, and E. L. A. Morshedy, "Digital Computation of Switching Transients in Three Phase Radial Systems", Proc. Of Middle East Power System Conference Mepcon'89, Egypt, Jan 1989.
1990
Sobki, E. S., Z. Osman, and Fawzi, "A New Algorithm for the Solution of the Capacitor Problem in Primary Distribution Systems", 25th Annual Conference in Statistics, Computer Science and Operation Research, Egypt, Dec. 1990.
1994
Shibini, A. A. E. L., Z. H. Osman, and M. M. Negim, "A Hybrid Expert System Assisting Decision Making of Contingency Selection", Third Middle East Power System Conference, MEPCON'94, Egypt , 1994.