Ahmed Refaat
ahmed_refaat_1984@eng.psu.edu.eg
كلية الهندسة ببورسعيد
هندسة القوى الميكانيكية
مدرس
Ahmed Refaat was born in Suez, Egypt, in 1984. He earned his B.Sc degree in Electrical Engineering from Suez Canal University, Egypt, in 2009, followed by an M.Sc degree in Electrical Engineering from Port Said University, Egypt, in 2014. Subsequently, he attained a Ph.D. degree in Electrical Engineering from the Institute of Energy, Peter the Great Saint-Petersburg Polytechnic University, Saint-Petersburg, Russia, in 2021. Currently, he holds the position of an Assistant Professor at the Electrical Engineering Department of Port Said University since 2021. He has been a Representative of the Engineering Research Center for Development and Technological Planning, Faculty of Engineering, Port Said University, Egypt, since 2014. He is a member of the Strategic Planning Committee and a member of the Alumni Committee. He is a coordinator of the Egyptian Startup Olympics with the Innovators Support Fund (ISF) at Port Said University. In addition, he has been a member of the Technology Innovation Commercialization Office (TICO), at Port Said University, since 2023. Refaat has authored 32 scientific papers, 7 book chapters, and 15 conference papers. Additionally, he has actively contributed to 6 R&D projects, securing funding through competitive calls from various administrations, public and private entities, or contracts with private companies. Notably, he served as the Co-Principal Investigator for 2 of these projects. Furthermore, he has directed over 200 undergraduate students, 3 master theses, and 2 doctoral theses.
[1]
Refaat A., Kalas A., Daoud A., and Bendary F., “A Control Methodology of Grid-Connected PV System to Verify The Standard IEEE 929-2000” MEPCON‟12 Conference, Alexandaria, Egypt, Dec 2012.
[2]
Refaat A., Kalas A., Daoud A., and Bendary F., “A Control Methodology of Three Phase Grid Connected PV System” Power Systems Conference (PSC 2013), Carolina, USA, Mar 2013.
[3]
Refaat A., Elgamal M., and Korovkin N. V., “A Novel Grid-Connected Photovoltaic Centralized Inverter Topology to Improve the Power Harvest during Partial Shading Condition”, Elektrichestvo, 7, pp. 59-68, 2019.
[4]
Refaat A., Osman M. H., and Korovkin N. V., “Optimum power extraction from non-uniform aged PV array using current collector optimizer topology”, Elektrichestvo, 10, pp. 54-60, 2019.
[5]
Refaat A. and Korovkin N., “A new photovoltaic current collector optimizer to enhance the performance of centralized inverter topologies”, Int. Scie. Conf. Energy, Man. of Municipal Trans. Facilities and Transport EMMFT''2018, Advances in Intelligent Systems and Computing 982 (l) ed. Murgul V. and Pasetti M. Springer, Cham, pp 216-24, 2020.
[6]
Refaat A., Elgamal M., and Korovkin N. V., “A Novel Photovoltaic Current Collector Optimizer to Extract Maximum Power during Partial Shading or Mismatch Conditions”, IEEE Conference of Russian Young Researchers in Electrical and Electronic Engineering (EIConRus), pp. 407-412, 2019.
[7]
Refaat A., and Osman M. H., “Current collector optimizer topology to improve maximum power from PV array under partial shading conditions”, IOP Conference Series: Materials Science and Engineering, 643 (1), (012094), 2019.
[8]
Refaat A., Osman M. H., and Korovkin N. V., “Current Collector Optimizer Topology to Extract Maximum Power from Non-Uniform Aged PV Array”, Energy, vol. 195, (116995), 2020.
[9]
Osman M. H. and Refaat A., “Adaptive multi-variable step size P&O MPPT for high tracking-speed and accuracy”, IOP Conference Series: Materials Science and Engineering, 643 (1), (012050), 2019.
[10]
Refaat A., Shehata A. A., Elgamal M., and Korovkin N. V., “Current Collector Optimizer Topology with Reconfiguration Algorithm to Harvest Optimal Power from Nonuniform Aged PV Arrays”, 2020 International multi-conference on industrial engineering and modern technologies (FarEastCon), pp. 1-7, 2020.
[11]
Elgamal M., Korovkin N.V., Refaat A., and Elmitwally A., “An Optimal Day-Ahead Operation Strategy for Hybrid Energy Microgrid”,IEEE Conference of Russian Young Researchers in Electrical and Electronic Engineering (EIConRus), pp. 489-494, 2019.
[12]
Elgamal M., Korovkin N.V., Refaat A., and Elmitwally A., “Optimal operation of a hybrid-energy Microgrid with battery storage”, International Scientific Conference “Construction and Architecture: Theory and Practice for the Innovation Development (CAAPID-2019), E3S Web of Conferences, vol. 138, (01003), pp. 1-10, 2019.
[13]
Shehata A. A., Refaat A., and Korovkin N. V., “Optimal Allocation of FACTS Based on Multi-Objective Multi-Verse Optimizer Algorithm for Multi-Objective Power System Optimization Problems”, 2020 International multi-conference on industrial engineering and modern technologies (FarEastCon), pp. 1-7, 2020.
[14]
Shehata A. A., Refaat A., Ahmed M. K., and Korovkin N. V., “Optimal Placement and Sizing of FACTS Devices Based on Autonomous Groups Particle Swarm Optimization Technique”, Archives of Electrical Engineering, pp. 161-172, 2021.
[15]
Popov M. G., Abounekirah S. S., Refaat A., “A modified restraint method to enhance the performance of differential protection for overhead transmission lines”, IEEE Conference of Russian Young Researchers in Electrical and Electronic Engineering (EIConRus), pp. 634-638, 2019.
[16]
Элгамал М., Коровкин Н. В., Рефаат А., Эльмитвалли А., “Энергоменеджмент гибридной энергетической микросети на сутки вперед”, Известия Российской Академии Наук. Энергетика, 1, pp. 54-69, 2021.
[17]
Osman M. H., Refaat A., and Korovkin N. V., “A Novel Method to Extract Single-Diode PV Parameters Based on Datasheet Values”, Elektrichestvo, 2, pp. 16-21, 2021.
[18]
Osman M. H., Ahmed M. K., Refaat A., and Korovkin N. V., “A Comparative Study of MPPT for PV System Based on Modified Perturbation & Observation Method”, IEEE Conference of Russian Young Researchers in Electrical and Electronic Engineering (EIConRus), pp. 1023-1026, 2021.
[19]
Цицикян Г. Н., Антипов М. Ю., and Рефаат А., “Определение взаимных индуктивностей и электродинамических сил между катушкой и соосным соленоидом при симметричном расположении”, Труды Крыловского государственного научного центра, 2 (396), pp. 99-104, 2021.
[20]
Osman M. H., Elseify M. A., Ahmed M. K., Korovkin N. V., and Refaat A., “Maximum Power Point Tracking for Grid-tied PV System Using Adaptive Neuro-Fuzzy Inference System”, 2021 International Conference on Electrotechnical Complexes and Systems (ICOECS), pp. 534-540, 2021.
[21]
Osman M. H., Elseify M. A., Ahmed M. K., Korovkin N. V., and Refaat A., “Highly Efficient MPP Tracker based on Adaptive Neuro-fuzzy Inference System for Stand-Alone Photovoltaic Generator System”, International Journal of Renewable Energy Research (IJRER), vol. 12, No. 1, pp. 208-217, 2022.
[22]
Khalifa A., Refaat A., Kalas A., and Elfar M. H., “Two Bio-inspired MPPT Algorithms to Harvest the Maximum Power from Partially Shaded PV Arrays”, 2022 IEEE Conference of Russian Young Researchers in Electrical and Electronic Engineering (ElConRus), pp. 670-674, 2022.
[23]
Elbaz A., Elfar M. H., Kalas A., and Refaat A., “Maximum Power Extraction from Polymer Electrolyte Membrane (PEM) Fuel Cell Based on Deterministic Particle Swarm Optimization Algorithm”, 2022 IEEE Conference of Russian Young Researchers in Electrical and Electronic Engineering (ElConRus), pp. 613-619, 2022.
[24]
Refaat A., Kalas A., Khalifa A. E., and Elfar M. H., “A Comparative Study of Two Metaheuristic MPPT Techniques to Extract Maximum Power from PV Array under Different Partial Shading Patterns”, In 2023 IEEE Conference on Power Electronics and Renewable Energy (CPERE), pp. 1-6. IEEE, 2023.
[25]
Refaat A., Khalifa A. E., Elsakka M. M., Elhenawy Y., Kalas A., and Elfar M. H., “A novel metaheuristic MPPT technique based on enhanced autonomous group Particle Swarm Optimization Algorithm to track the GMPP under partial shading conditions-Experimental validation”, Energy Conversion and Management 287 (2023): 117124.
[26]
Refaat, A., Ali, Q. A., Elsakka, M. M., Elhenawy, Y., Majozi, T., Korovkin, N. V., and Elfar, M. H., “Extraction of maximum power from PV system based on horse herd optimization MPPT technique under various weather conditions”, Renewable Energy (2024): 119718.
[27]
Refaat, A., Elbaz, A., Khalifa, A. E., Elsakka, M. M., Kalas, A., & Elfar, M. H., “Performance evaluation of a novel self-tuning particle swarm optimization algorithm-based maximum power point tracker for porton exchange membrane fuel cells under different operating conditions”, Energy Conversion and Management 301 (2024): 118014.
[28]
Abuhashish, M.N., Daoud, A.A., Refaat, A., & Elfar, M. H., “A Modified Model Predictive Speed Control Based on Sensorless Hybrid MPPT Algorithm in Wind Turbine Systems”, In: Negm, A.M., Rizk, R.Y., Abdel-Kader, R.F., Ahmed, A. (eds) Engineering Solutions Toward Sustainable Development. IWBBIO 2023. Earth and Environmental Sciences Library. Springer, Cham, 2024.
[29]
Elbaz, A., Refaat, A., Korovkin, N.V., Khalifa, A.E., Kalas, A., Elsakka, M.M., Hassan, H.M., & Elfar, M. H., “An Efficient MPP Tracker Based on Flower Pollination Algorithm to Capture Maximum Power from PEM Fuel Cell”, In: Negm, A.M., Rizk, R.Y., Abdel-Kader, R.F., Ahmed, A. (eds) Engineering Solutions Toward Sustainable Development. IWBBIO 2023. Earth and Environmental Sciences Library. Springer, Cham, 2024.
[30]
Hassan, H.M., Elsakka, M.M., Refaat, A., Amer, A.E., & Rizk, R.Y., “Optimal Design of Container Ships Geometry Based on Artificial Intelligence Techniques to Reduce Greenhouse Gases Emissions”, In: Negm, A.M., Rizk, R.Y., Abdel-Kader, R.F., Ahmed, A. (eds) Engineering Solutions Toward Sustainable Development. IWBBIO 2023. Earth and Environmental Sciences Library. Springer, Cham, 2024.
[31]
Kalas, B. A., Refaat, A., Fawzi, M., & Abdel-Khalik, A. S., “A Comparative Study of Three Winding Configurations for Six-Phase Induction Motors”, In: Negm, A.M., Rizk, R.Y., Abdel-Kader, R.F., Ahmed, A. (eds) Engineering Solutions Toward Sustainable Development. IWBBIO 2023. Earth and Environmental Sciences Library. Springer, Cham, 2024.
[32]
Khalifa, A.E., Elfar, M.H., Ali, Q.A., Elbaz, A., Kalas, A., Elsakka, M.M., Korovkin, N.V., & Refaat, A., “Experimental Investigation of Two Bio-inspired MPPT Algorithms for Partially Shaded PV Arrays”, In: Negm, A.M., Rizk, R.Y., Abdel-Kader, R.F., Ahmed, A. (eds) Engineering Solutions Toward Sustainable Development. IWBBIO 2023. Earth and Environmental Sciences Library. Springer, Cham, 2024.
[33]
Elsakka, M.M., Refaat, A., Ahmed, A., Amer, A., Elsheikh, A., Elfar, M., Elhenawy, Y., Hau, N.R., Majozi, T., Amin, I., Oterkus, S., Oterkus, E., Mohamed, A., & Elfar, M. H., “Performance Analysis of a Green Hydrogen Production System in Several Coastal Locations in Egypt”, In: Negm, A.M., Rizk, R.Y., Abdel-Kader, R.F., Ahmed, A. (eds) Engineering Solutions Toward Sustainable Development. IWBBIO 2023. Earth and Environmental Sciences Library. Springer, Cham, 2024.
[34]
Elbaz, A., Refaat, A., Elfar, M. H., and Kalas, A. “An Evaluation of Firefly and Flower Pollination Techniques Used to Harvest Maximum Power from PEMFC”, 2023 24th International Middle East Power System Conference (MEPCON), Mansoura, Egypt, pp. 1-8, 2023.
[35]
Elfar, M. H., Fawzi, M., Serry, A. S., Elsakka, M., Elgamal, M., and Refaat, A. “Optimal parameters identification for PEMFC using autonomous groups particle swarm optimization algorithm”, International Journal of Hydrogen Energy, 69, 1113-1128, 2024.
[36]
Eleraky, H. G., Refaat, A., Kalas, A. and Abouzeid, A. F., "Performance Assessment of Artificial Neural Networks-Based MPPT Technique for Photovoltaic Systems," 2024 14th International Conference on Electrical Engineering (ICEENG), Cairo, Egypt, pp. 48-53, 2024.
[37]
Amer, A. E., Ahmed, A., Nabil, T., Ezat, A. A., Refaat, A., Khalifa, A. E., Elgamal, M., and Elsakka, M., “Performance evaluation of latent heat storage unit using novel hook-shaped fins: Experimental investigation”, Journal of Energy Storage, 97, 112747, 2024.
[38]
Abouzeid, A. F., Eleraky, H., Kalas, A., Rizk, R., Elsakka, M. M., and Refaat, A., “Experimental validation of a low-cost maximum power point tracking technique based on artificial neural network for photovoltaic systems”, Scientific Reports, 14(1), 18280, 2024.
[39]
Abd El-Atty, H. M., Ellaban, M. I., Mostafa, H. T., Mohamed, D. A., Elshabrawi, A. E., Tayaa, N. R., and Refaat., A. "Photovoltaic-Powered Smart Aquaponic System: Integrating IoT and AI for Sustainable Food Production and Fish Health Management." In 2024 International Telecommunications Conference (ITC-Egypt), pp. 799-805. IEEE, 2024.
[40]
Ali, Q. A., Elsakka, M. M., Korovkin, N. V., and Refaat, A., “A novel EPSO algorithm based on shifted sigmoid function parameters for maximizing the energy yield from photovoltaic arrays: An experimental investigation”, Results in Engineering, 24, 102967, 2024.
[41]
Ahmed, A., Elsakka, M., Elhenawy, Y., Amer, A., Mansi, A., Bassyouni, M., Gadalla, M., and Refaat, A., “Experimental investigation of a nano coating efficiency for dust mitigation on photovoltaic panels in harsh climatic conditions”, Scientific Reports, 14(1), 23013, 2024.
[42]
Elsakka, M. M., Refaat, A., Alzahrani, K. M., Hee, J. L., Ma, L., Elhenawy, Y., Majozi, T., Yosry, A. G., Amer, A., Moustafa, G. H., and Ahmed, A., “Techno-economic assessment of a novel wind-powered RO system with a compressed air energy storage for water desalination”, Energy, 133296, 2024.
[43]
Mohamed, M. Y., Fawzi, M., Kalas, A., Abdel-Khalik, A. S., Ahmed, S., and Refaat, A., “Optimized design of a fault-tolerant 12-slot/10-pole six-phase surface permanent magnet motor with asymmetrical winding configuration for electric vehicles”, Alexandria Engineering Journal, vol. 110, pp. 527-539, 2025.
[44]
Sobhy, A., Elfar, M. H., Refaat, A., and Fawzi, M. “Performance Evaluation of an Optimized Simplified Nonlinear Active Disturbance Rejection Controller for Rotor Current Control of DFIG-Based Wind Energy System”, Cleaner Engineering and Technology, vol. 24, 100896, 2025.
[45]
Mohamed, M. Y., Refaat, A., Kalas, A., Abdel-Khalik, A. S., Ahmed, S., and Fawzi, M., “Optimal design for six-phase asymmetrical surface mount permanent magnet synchronous motor: An innovative approach considering fault tolerance and load variations for electric vehicle applications”, Heliyon, vol. 11, No. 3, 2025.
[46]
Elhenawy, Y., Fouad, K., Refaat, A., Al‐Qabandi, O. A., Toderaș, M., and Bassyouni, M., “Experimental Enhancement of Thermal and Electrical Efficiency in Concentrator Photovoltaic Modules Using Nanofluid Cooling”, Energy Science & Engineering, pp. 1-17, 2025.
[47]
Elgamal, M., Eladl, A. A., Sedhom, B. E., Sheta, A. N., Refaat, A., and Abdel Menaem, A., “A Deep Learning-Based Cyberattack Detection Method for Line Differential Relays”, Internet of Things, 101574, 2025.
[48]
Hassan, H.M., Elsakka, M.M., Refaat, A., Zhang, H., Yin, Z., Ahmed, A., Nashaat, H., Rizk, R. and Moustafa, M.M., “Identifying the optimal gap separation of national physics laboratory (NPL) catamaran model using machine learning algorithms”, Journal of Ocean Engineering and Marine Energy, pp. 1-18, 2025.
[49]
Abuhashish, M. N., Refaat, A., Kalas, A., Hamad, M. S., & Elfar, M. H., “Towards Accurate and Reliable Fault Diagnosis in PV Systems: Techniques, Challenges, and Future Directions”, Process Safety and Environmental Protection, 107217, 2025.
[50]
Hassan, H. M., Elsakka, M. M., Refaat, A., Zhang, H., Yin, Z., Ahmed, A., & Moustafa, M. M., “A comparative study on the hydrodynamic performance of traditional and closed-loop marine propellers”, Marine Systems & Ocean Technology, 20 (3), p.34, 2025.
[51]
Ahmed, A., Alzahrani, M. M., Mubashir, M., Refaat, A., & Elsakka, M., “Economic Feasibility of Membrane Technology”, Water Treatment and Desalination: Membrane Separation using Renewable Energy Resources, pp.467-497, 2025.
[52]
Zhang, H., Chen, J., Refaat, A., Shi, G., & Elsakka, M., “Comparative study on sloshing suppression effectiveness between single and double floating composite baffles under horizontal resonant conditions”, Ocean Engineering, 342, p. 123011, 2025.
[53]
Elsakka, M., Muftah, A., Amer, A., Refaat, A., Mohamed, A., & Ahmed, A., “Experimental Investigation of A Novel Savonius Turbine With Partially Flexible Buckets”, Journal of Al-Azhar University Engineering Sector, pp.1324-1342, 2025.
[54]
Ahmed, A., Elsakka, M., Amer, A., Refaat, A., Sobhy, A., Elhenawy, Y., El-Din, A.A., Bassyouni, M., Mahmoud, E.R. and Saif, A., “Performance Assessment of a Novel Wind-Powered Ventilation System toward Sustainable Buildings”, Results in Engineering, p.108437, 2025.