World's Best Scientists 2026 revealed!
Ayman Mohamed Fawzi EL-Refaie

Ayman Mohamed Fawzi EL-Refaie

D-Index & Metrics

Electronics and Electrical Engineering

D-Index
45
Citations
9299
World Ranking
3507
National Ranking
1299

Ayman Mohamed Fawzi EL-Refaie publication distribution in Electronics and Electrical Engineering in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Electronics and Electrical Engineering in 2026. The highlighted bar marks where Ayman Mohamed Fawzi EL-Refaie sits on this spectrum.

34–53 publications: 24 scientists 54–73 publications: 52 scientists 74–93 publications: 114 scientists 94–113 publications: 203 scientists 114–133 publications: 269 scientists 134–153 publications: 355 scientists 154–173 publications: 403 scientists 174–193 publications: 445 scientists 194–213 publications: 430 scientists 214–233 publications: 431 scientists 234–253 publications: 399 scientists 254–273 publications: 366 scientists 274–293 publications: 335 scientists 294–313 publications: 300 scientists 314–333 publications: 276 scientists 334–353 publications: 250 scientists 354–373 publications: 214 scientists 374–393 publications: 187 scientists 394–413 publications: 152 scientists 414–433 publications: 169 scientists 434–453 publications: 147 scientists 454–473 publications: 111 scientists 474–493 publications: 117 scientists 494–513 publications: 103 scientists 514–533 publications: 99 scientists 534–553 publications: 92 scientists 554–573 publications: 75 scientists 574–593 publications: 58 scientists 594–613 publications: 69 scientists 614–633 publications: 50 scientists 634–653 publications: 62 scientists 654–673 publications: 54 scientists 674–693 publications: 44 scientists 694–713 publications: 37 scientists 714–733 publications: 28 scientists 734–753 publications: 26 scientists 754–773 publications: 26 scientists 774–793 publications: 19 scientists 794–813 publications: 23 scientists 814–833 publications: 20 scientists 834–853 publications: 16 scientists 854–873 publications: 20 scientists 874–893 publications: 11 scientists 894–913 publications: 11 scientists 914–933 publications: 16 scientists 934–953 publications: 13 scientists 954–973 publications: 10 scientists 974–993 publications: 11 scientists 994–1,013 publications: 9 scientists 1,014–1,033 publications: 9 scientists 1,034–1,053 publications: 10 scientists 1,054–1,064 publications: 6 scientists 1,065+ publications: 99 scientists
34 publications 1,065+

This scientist: 185 publications — 25th percentile

25% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,065 publications or more.

Ayman Mohamed Fawzi EL-Refaie D-index placement in Electronics and Electrical Engineering in 2026

The chart shows the D-index (discipline H-index) distribution of Electronics and Electrical Engineering scientists ranked by Research.com in 2026. The highlighted bar marks where Ayman Mohamed Fawzi EL-Refaie sits on this spectrum.

30 D-Index: 178 scientists 31 D-Index: 257 scientists 32 D-Index: 263 scientists 33 D-Index: 262 scientists 34 D-Index: 244 scientists 35 D-Index: 236 scientists 36 D-Index: 211 scientists 37 D-Index: 220 scientists 38 D-Index: 214 scientists 39 D-Index: 214 scientists 40 D-Index: 205 scientists 41 D-Index: 187 scientists 42 D-Index: 194 scientists 43 D-Index: 201 scientists 44 D-Index: 155 scientists 45 D-Index: 189 scientists 46 D-Index: 148 scientists 47 D-Index: 160 scientists 48 D-Index: 134 scientists 49 D-Index: 130 scientists 50 D-Index: 141 scientists 51 D-Index: 156 scientists 52 D-Index: 108 scientists 53 D-Index: 130 scientists 54 D-Index: 112 scientists 55 D-Index: 97 scientists 56 D-Index: 111 scientists 57 D-Index: 102 scientists 58 D-Index: 108 scientists 59 D-Index: 120 scientists 60 D-Index: 103 scientists 61 D-Index: 93 scientists 62 D-Index: 92 scientists 63 D-Index: 74 scientists 64 D-Index: 77 scientists 65 D-Index: 73 scientists 66 D-Index: 64 scientists 67 D-Index: 69 scientists 68 D-Index: 60 scientists 69 D-Index: 39 scientists 70 D-Index: 57 scientists 71 D-Index: 59 scientists 72 D-Index: 46 scientists 73 D-Index: 49 scientists 74 D-Index: 38 scientists 75 D-Index: 35 scientists 76 D-Index: 32 scientists 77 D-Index: 35 scientists 78 D-Index: 31 scientists 79 D-Index: 22 scientists 80 D-Index: 34 scientists 81 D-Index: 31 scientists 82 D-Index: 34 scientists 83 D-Index: 23 scientists 84 D-Index: 18 scientists 85 D-Index: 30 scientists 86 D-Index: 19 scientists 87 D-Index: 19 scientists 88 D-Index: 20 scientists 89 D-Index: 8 scientists 90 D-Index: 17 scientists 91 D-Index: 7 scientists 92 D-Index: 14 scientists 93 D-Index: 9 scientists 94 D-Index: 15 scientists 95 D-Index: 10 scientists 96 D-Index: 12 scientists 97 D-Index: 10 scientists 98 D-Index: 10 scientists 99 D-Index: 12 scientists 100 D-Index: 16 scientists 101 D-Index: 5 scientists 102 D-Index: 7 scientists 103 D-Index: 7 scientists 104 D-Index: 8 scientists 105 D-Index: 9 scientists 106 D-Index: 13 scientists 107 D-Index: 4 scientists 108 D-Index: 5 scientists 109 D-Index: 10 scientists 110 D-Index: 8 scientists 111+ D-Index: 96 scientists
30 D-Index 111+

This scientist: 45 D-Index — 50th percentile

50% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 111 D-Index or more.

Overview

Ayman Mohamed Fawzi EL-Refaie is affiliated with Marquette University in the United States. Their scholarly work is predominantly situated within the field of engineering, with a specific focus on electrical and electronic engineering, control and systems engineering, mechanical engineering, electronic, optical and magnetic materials, and automotive engineering.

The research contributions by Ayman Mohamed Fawzi EL-Refaie cover a range of topics that include:

  • Electric Motor Design and Analysis
  • Multilevel Inverters and Converters
  • Magnetic Bearings and Levitation Dynamics
  • Silicon Carbide Semiconductor Technologies
  • Microgrid Control and Optimization
  • Induction Heating and Inverter Technology
  • Magnetic Properties and Applications

Their recent publications showcase work relevant to electric machines, power electronics, and energy conversion systems. Notable papers include:

  • "Additively Manufactured Hollow Conductors Integrated With Heat Pipes: Design Tradeoffs and Hardware Demonstration," 2021, IEEE Transactions on Industry Applications
  • "Low-Cost Interior Permanent Magnet Machine With Multiple Magnet Types," 2020, IEEE Transactions on Industry Applications
  • "Investigation of a 3D-Magnetic Flux PMSM With High Torque Density for Electric Vehicles," 2021, IEEE Transactions on Energy Conversion
  • "A New Configuration of Paralleled Modular ANPC Multilevel Converter Controlled by an Improved Modulation Method for 1 MHz, 1 MW EV Charger," 2020, IEEE Transactions on Industry Applications
  • "Minimization of Winding AC Losses Using Inhomogeneous Electrical Conductivity Enabled by Additive Manufacturing," 2022, IEEE Transactions on Industry Applications

Their frequent co-authors include Ali Al-Qarni, Salar Koushan, Sina Vahid, Hao Chen, and Towhid Chowdhury, reflecting collaborative research efforts mostly within electrical engineering domains.

The scientific output is mainly published in venues specialized in industrial and energy applications of electrical engineering such as:

  • IEEE Transactions on Industry Applications
  • IEEE Industry Applications Magazine
  • 2022 International Conference on Electrical Machines (ICEM)
  • IEEE Transactions on Industrial Electronics
  • 2022 IEEE Energy Conversion Congress and Exposition (ECCE)

Best Publications

  • Fractional-Slot Concentrated-Windings Synchronous Permanent Magnet Machines: Opportunities and Challenges

    A.M. EL-Refaie

  • Optimal flux weakening in surface PM machines using fractional-slot concentrated windings

    A.M. EL-Refaie;T.M. Jahns

  • Advanced High-Power-Density Interior Permanent Magnet Motor for Traction Applications

    Ayman M. EL-Refaie;James P. Alexander;Steven Galioto;Patel B. Reddy

  • Motors/generators for traction/propulsion applications: A review

    A. M. El-Refaie

  • Comparison of Interior and Surface PM Machines Equipped With Fractional-Slot Concentrated Windings for Hybrid Traction Applications

    P. B. Reddy;A. M. El-Refaie;Kum-Kang Huh;J. K. Tangudu

  • Analysis of surface permanent magnet machines with fractional-slot concentrated windings

    A.M. El-Refaie;T.M. Jahns;D.W. Novotny

  • Experimental verification of optimal flux weakening in surface PM machines using concentrated windings

    A.M. El-Refaie;T.M. Jahns;P.J. McCleer;J.W. McKeever

  • Fault-tolerant permanent magnet machines: a review

    A M El-Refaie

  • Comparison of synchronous PM machine types for wide constant‐power speed range operation

    Ayman M. EL‐Refaie;Thomas M. Jahns

  • Reduced Rare-Earth Flux-Switching Machines for Traction Applications

    Tsarafidy Raminosoa;Ayman M. El-Refaie;Di Pan;Kum-Kang Huh

  • Thermal analysis of multibarrier interior PM synchronous Machine using lumped parameter model

    A.M. EL-Refaie;N.C. Harris;T.M. Jahns;K.M. Rahman

  • Winding inductances of fractional slot surface‐mounted permanent magnet brushless machines

    Ayman M. EL‐Refaie;Z.Q. Zhu;Thomas M. Jahns;David Howe

  • Analysis of the Torque Production Mechanism for Flux-Switching Permanent-Magnet Machines

    James D. McFarland;Thomas M. Jahns;Ayman M. EL-Refaie

  • Effect of Magnet Types on Performance of High-Speed Spoke Interior-Permanent-Magnet Machines Designed for Traction Applications

    Steven J. Galioto;Patel B. Reddy;Ayman M. EL-Refaie;James P. Alexander

  • Optimal flux weakening in surface PM machines using concentrated windings

    A.M. El-Refaie;T.M. Jahns

  • High specific power electrical machines: A system perspective

    Ayman El-Refaie;Mohamed Osama

  • Impact of Winding Layer Number and Magnet Type on Synchronous Surface PM Machines Designed for Wide Constant-Power Speed Range Operation

    A.M. El-Refaie;T.M. Jahns

  • Effect of Number of Layers on Performance of Fractional-Slot Concentrated-Windings Interior Permanent Magnet Machines

    Patel. B. Reddy;Ayman. M. EL-Refaie;Kum-Kang Huh

  • Flux-Switching Permanent Magnet Machines: A Review of Opportunities and Challenges—Part I: Fundamentals and Topologies

    Hao Chen;Ayman M. EL-Refaie;Nabeel A. O. Demerdash

  • Generalized Approach of Stator Shifting in Interior Permanent-Magnet Machines Equipped With Fractional-Slot Concentrated Windings

    Patel B. Reddy;Kum-Kang Huh;Ayman M. EL-Refaie

  • Eddy-Current Loss Minimization in Conducting Sleeves of Surface PM Machine Rotors With Fractional-Slot Concentrated Armature Windings by Optimal Axial Segmentation and Copper Cladding

    M.R. Shah;A.M. EL-Refaie

  • Effect of Number of Phases on Losses in Conducting Sleeves of Surface PM Machine Rotors Equipped With Fractional-Slot Concentrated Windings

    A.M. El-Refaie;M.R. Shah;Ronghai Qu;J.M. Kern

  • Design of Synchronous Reluctance Motor Utilizing Dual-Phase Material for Traction Applications

    Patel Bhageerath Reddy;Ayman M. El-Refaie;Steven Galioto;James P. Alexander

Frequent Co-Authors

Thomas M. Jahns
Thomas M. Jahns University of Wisconsin–Madison
Robert Dean King
Robert Dean King General Electric (United States)
Nabeel A. O. Demerdash
Nabeel A. O. Demerdash Marquette University
Jiangbiao He
Jiangbiao He University of Tennessee at Knoxville
Zi-Qiang Zhu
Zi-Qiang Zhu Hong Kong Polytechnic University
Ronghai Qu
Ronghai Qu Huazhong University of Science and Technology
Giri Venkataramanan
Giri Venkataramanan University of Wisconsin–Madison
Wen L. Soong
Wen L. Soong University of Adelaide
Christopher H. T. Lee
Christopher H. T. Lee Nanyang Technological University
Jih-Sheng Lai
Jih-Sheng Lai Virginia Tech

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