Assistant Professor | Electrical Power Engineering

Address: Room no. 2C-126, Department of Electrical Engineering, College of Engineering, King Saud University, P.O. Box. 800, Riyadh 11421. | Phone: +966 1 1467 3797

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List of Publications

Journal Article
Publication Abstract: 
  1. Usama Khaled, Rashid Meer,  Abderrahmane Beroual, “A Novel Design of Three-Phase Transverse Flux Linear Motor to Minimize Force Ripples”, Arabian Journal for Science and Engineering (AJSE), Springer, 7 November 2017.
  2. Mohamed Abdel-Rahman, Osama M. Haraz, Nadeem Ashraf, Muhammad Fakhar Zia, Usama Khaled, Ibrahim Elsahfiey, Saleh Alshebeili, and Abdel Razik Sebak, “Properties of Silica-Based Aerogel Substrates and Application to C-band Circular Patch Antenna”, Journal of Electronic Materials, 2017. (Accepted- In Press) DOI: https://doi.org/10.1007/s13369-017-2908-1
  3. Abderrahmane Beroual, Usama Khaled, “Influence of Hydrostatic Pressure on Creeping Discharge Characteristics over Solid/Liquid Insulating Interfaces under AC and DC voltages”, IET Generation, Transmission & Distribution, pp. 14, 2017. (Accepted- In Press). DOI:10.1049/iet-gtd.2017.0622 
  4. Usama Khaled, Ali M. Eltamaly, Abderrahmane Beroual, “Optimal Power Flow Using Particle Swarm Optimization of Renewable Hybrid Distributed Generation”, Energies- Electrical Power and Energy System, vol. 10, no. 7, pp. 1013-1026, 2017.
  5. Abderrahmane Beroual, Usama Khaled, Phanuel Seraphine Mbolo Noah, Henry Sitorus, “Comparative Study of Breakdown Voltage of Mineral, Synthetic and Natural oils and Based Mineral Oil Mixtures under AC and DC Voltages”, Energies- Electrical Power and Energy System, vol. 10, no. 4, pp. 511-527, 2017. DOI: 10.3390/en100405112017.http://www.mdpi.com/1996-1073/10/4/511
  6. Abderrahmane Beroual, Usama Khaled, Mbolo Noah, Henry Sitorus, “Comparative study of breakdown voltage of based mineral oil mixtures with natural and synthetic esters under AC and DC voltages”, IEEE Conference on Electrical Insulation and Dielectric Phenomena (CEIDP), Fort Worth - USA,  22 - 25 Oct. 2017.
  7. Usama Khaled, Mohamed Qais, Saad Alghuwainem, Abderrahmane Beroual, “Security Enhancement of Differential Protection of Power Transformers Based on Second Order Harmonics”, Journal of Energy and Power Sources (JEPS), Vol. 4, No. 1, pp. 9-15, 2017.
  8. Usama Khaled, Saeed Alzahrani, Yasin Khan, “Dielectric properties improvement of LDPE based on nano fillers”, IEEE International Conference on High Voltage Engineering and Application (ICHVE 2016), Chengdu, China, September 19-22, 2016.
  9. Usama Khaled, Falah Alotaibi, Yasin Khan, “Performance evaluation of two stages electrostatic precipitator novel design under loading conditions”, IEEE International Conference on High Voltage Engineering and Application (ICHVE 2016), Chengdu, China, September 19-22, 2016.
  10. Usama Khaled, Mohammed Qais, “Evaluation of V–t characteristics caused by lightning strokes at different locations along transmission lines”, Journal of King Saud University, Engineering Sciences (JKSUES), 2016. http://dx.doi.org/10.1016/j.jksues.2016.02.003
  11. Mohammed Qais , Usama Khaled, Saad Alghuwainem, “Improved differential relay for bus bar protection scheme with saturated current transformers based on second order harmonics”, Journal of King Saud University-Engineering Sciences (JKSUES), 2016.
  12. Mohammed Qais, Usama Khaled, “Evaluation of Lightning Performance on Transmission System Sag”, IET- 50th International Universities Power Engineering Conference (UPEC 2015), Staffordshire University, UK, September 1st - 4th, 2015.
  13. Usama Khaled, "Advanced Study on the Soluble Nano-Carbon Using Electrical Discharge", LAP LAMBERT Academic Publishing, ISBN 978-3-659-24736-1, 2014.https://www.lap-publishing.com/catalog/details//store/gb/book/978-3-659-52940-5/advanced-study-on-the-soluble-nano-carbon-using-electrical-discharge
  14. Usama Khaled, Adel Z. Eldein, “Experimental study of V-I characteristics of wire-plate electrostatic precipitators under clean air conditions”, Journal of Electrostatics, Volume 71, pp. 228-234 (2012). DOI: 10.1016/j.elstat.2012.12.023
  15. Usama Khaled, Kiminobu Imasaka, Junya Suehiro, “Enhancement of microplasma generated in water by adding carbon nanotubes”, Journal of Plasma and Fusion Research, Volume 8, pp. 603-607 (2009). http://www.jspf.or.jp/JPFRS/index_vol8-4.html http://www.jspf.or.jp/JPFRS/PDF/Vol8/jpfrs2009_08-0603.pdf
  16. Adel Z. Eldein, Usama Khaled “Experimental and Simulation Study of V–I Characteristics of Wire–Plate Electrostatic Precipitators under Clean Air Conditions”, Arabian Journal for Science and Engineering, Volume 39, pp. 4037–4045 (2014). DOI 10.1007/s13369-014-1046-2
  17. Kiminobu Imasaka, Yuki Kato, Usama Khaled, Junya Suehiro, “Effects of pH on water-solubilization of carbon nanotube using microplasma in aqueous solution”, Jpn. J. Appl. Phys., Volume 48, 065004 - 7 pages (2009). http://jjap.ipap.jp/link?JJAP/48/065004/
  18. Wei Sun, Usama Khaled, Hironari Tomita, Zhenyu Li, Kiminobu Imasaka, Junya Suehiro, “Solubilization of single-walled carbon nanotubes using ozone generated by dielectric barrier discharge”, Jpn. J. Appl. Phys., Volume 49, 055002 (5 pages), (2010). http://jjap.ipap.jp/link?JJAP/49/055002/
  19. Kiminobu Imasaka, Wei Sun, Hironari Tomita, Yuki Kato, Usama Khaled, Junya Suehiro, “Enhancement and stabilization of pulsed streamer discharge in water by adding carbon nanotubes”,
    Jpn. J. Appl. Phys., Volume 49, 086203 (7 pages), (2010).  http://jjap.ipap.jp/link?JJAP/49/086203/
  20. Soubhi Hassanein, Usama Khaled, Waleed Abd-Fadeel, “An experimental investigation of temperature distribution in different urban locations in Aswan, Egypt of hot and dry climate”, Journal of Computational Water, Energy, and Environmental Engineering (CWEEE), Volume 2, No. 2, pp. 69-75 (2013). http://www.scirp.org/journal/cweee
  21. Wei Sun, Usama Khaled, Hironari Tomita, Kiminobu Imasaka, Junya Suehiro, “Effects of ozone generated by dielectric barrier discharge on water-solubility of single-walled carbon nanotubes”, Pure and Applied Chemistry series,  (under review)
  22. Kiminobu Imasaka, Usama Khaled, Wei Sun, Hironari Tomita, Junya Suehiro, “pH dependence of water-solubility of single-walled carbon nanotubes treated by microplasma in aqueous solution”, Pure and Applied Chemistry series, (under review)
  23. Usama Khaled, “Ozone production by AC surface dielectric barrier discharge enhanced by TiO2 photocatalyst”, 15th International Middle East Power Systems Conference (MEPCON’12), p. 172, 23rd ~ 25th Dec. 2012 Alexandria, Egypt.
  24. Usama Khaled, Radek Procházka , Josef Tlustý, “Experimental study of corona discharge in wire- plate electrostatic precipitator”, 17th International Symposium on High Voltage Engineering (ISH) August 26th 2011 Hannover, Germany.
  25. Stanislav Pekarek, Usama Khaled, “Ozone generation by surface dielectric barrier discharge with TiO2 photocatalyst”, 30th International Conference on Phenomena in Ionized Gases (ICPIG), August 28th to September 2nd 2011, Belfast, Northern Ireland, UK.
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  27. Usama Khaled, Kiminobu Imasaka, Junya Suehiro, “Enhancement of microplasma generated in water by adding carbon nanotubes”, 14th International Congress of Plasma Physics (ICPP) proc., p. 131, (8-9-2008, Fukuoka- Japan).
  28. Kiminobu Imasaka, Usama Khaled, Junya Suehiro, “Influence of pH on solubility of single-walled carbon nanotubes treated by microplasma in aqueous solution”, The 2nd IEEE Nanotechnology Materials and Devices Conference (NMDC 2008) proc., p. 200 (22-10-2008- Kyoto- Japan).
  29. W. Sun, K. Usama, H. Tomita, K. Imasaka, J. Suehiro, “Effects of ozone generated by dielectric barrier discharge on water-solubility of single-walled carbon nanotubes”, 19th International Symposium on Plasma Chemistry (ISPC-19) proc., P1.8.51, (27-7-2009, Bochum-Germany). www.ispc-conference.org/ispcproc/papers/651.pdf
  30. K. Imasaka, K. Usama, W. Sun, J. Suehiro, “pH dependence of water-solubility of single-walled carbon nanotubes treated by microplasma in aqueous solution”, 19th International Symposium on Plasma Chemistry (ISPC-19) proc., P2.15.08, (28-7-2009, Bochum-Germany).
  31. K. Usama, W. Sun, K. Imasaka, J. Suehiro, O. Gouda, “Influence of water conductivity on microplasma intensity and carbon nanotube solubilization” 13th International Middle East Power Systems Conference (MEPCON’09) proc., pp. 653-656 (23-12-2009, Assiut University- Egypt).
  32. K. Usama, W. Sun, K. Imasaka, J. Suehiro, O. Gouda, “Preparation of water-soluble carbon nanotubes using ozone treatment”, 13th International Middle East Power Systems Conference (MEPCON’09) proc., pp. 657-661 (23-12-2009, Assiut University- Egypt).
  33. Usama Khaled, Sun Wei, Hironari Tomita, Kiminobu Imasaka, Junya Suehiro, “Water-solubilization of single-walled carbon nanotubes by ozone treatment using dielectric barrier discharge (III) Effect of frequency of DBD”, The Annual Meeting record of IEEJ proc., Vol. 1, p. 270,, (19-3-2009, Sapporo- Japan).
  34. Sun Wei, Usama Khaled, Hironari Tomita, Kiminobu Imasaka, Junya Suehiro, “Water-solubilization of single-walled carbon nanotubes by ozone treatment using dielectric barrier discharge (II) Surface analysis of SWCNTs”, The Annual Meeting record of IEEJ proc., Vol. 1, p. 269, (19-3-2009, Sapporo- Japan).
  35. Kiminobu Imasaka, Usama Khaled, Sun Wei, Hironari Tomita, Junya Suehiro, “Water-solubilization of single-walled carbon nanotubes by ozone treatment using dielectric barrier discharge (I) Fundamental characteristics”, The Annual Meeting record of IEEJ proc., Vol. 1, p. 268, (19-3-2009, Sapporo- Japan).
  36. Kiminobu Imasaka, Usama Khaled, Sun Wei, Junya Suehiro, “Water-solubility of single-walled carbon nanotubes treated by ozone generated by dielectric barrier discharge”, Plasma Science Symposium 2009 and The Symposium on Plasma Processing (PSS-2009/SPP-26) proc., pp. 28-29, (2-2-2009- Nagoya- Japan).
  37. Usama Khaled, Sun Wei, Kiminobu Imasaka, Junya Suehiro, “Water solubilization of single-walled carbon nanotubes treated by dielectric barrier discharge in air”, Joint Technical Meeting on Electrical Discharges, Dielectrics and Electrical Insulation and High Voltage Engineering proc., IEEJ, pp. 19-24, (29-1-2009- Fukuoka - Japan).
  38. Usama Khaled, Kiminobu Imasaka, Junya Suehiro, “Influence of adding carbon nanotubes on streamer discharge in water”, The 61st Joint Conference of Electrical and Electronics Engineers proc., 05-1A-10, (24-9-2008, Oita- Japan).
  39. Kiminobu Imasaka, Usama Khaled, Junya Suehiro, “Dependence of water solubility of carbon nanotubes using streamer discharge on suspension pH”, The 61st Joint Conference of Electrical and Electronics Engineers proc., 05-1A-11, (24-9-2008, Oita- Japan). (in Japanese)
  40. K. Imasaka, U. Khaled, J. Suehiro, “Investigation of water-solubilization of CNTs using microplasma in aqueous solution (I) Influence of pH”, The 69th Autumn Meeting of Japan Society of Applied Physics proc., p. 182, (2-9-2008- Aichi- Japan). (in Japanese)
  41. K. Imasaka, U. Khaled, J. Suehiro, “Investigation of water-solubilization of CNTs using microplasma in aqueous solution (II) Influence of conductivity”, The 69th Autumn Meeting of Japan Society of Applied Physics proc., p. 182, (2-9-2008- Aichi- Japan). (in Japanese)
  42. Usama Khaled, Junya Suehiro, “Application of pulsed power technology to water-solubilization of carbon nanotubes”, Egypt-Japan International Symposium on Science and Technology (EJISST) proc., p. 31, (8-6-2008, Tokyo- Japan).
  43. Usama Khaled, Yuki Kato, Kiminobu Imasaka, Junya Suehiro, “Effect of water conductivity on pulsed streamer discharge and radicals emission intensity”, The Annual Meeting record of IEEJ,  Vol. 1, p. 238, (19-3-2008, Fukuoka- Japan)
  44. Wei Sun, Hironari Tomita, Usama Khaled, Kiminobu Imasaka, Junya Suehiro, “Effects of ozone generated by dielectric barrier discharge on water-solubility of carbon nanotubes”, Kyushu Branch Joint Conference of Electrical Societies proc., Vol. 62nd, (9-2009, Kyushu- Japan).
  45. Shinji Yamane, Makoto Kotegawa, Yuki Kato, Usama Khaled, Kiminobu Imasaka, Junya Suehiro, “Hydrogen sensor based on carbon nanotubes decorated with palladium using microplasma in water”, The Annual Meeting record of IEEJ, Vol. 1, p. 230, (19-3-2008, Fukuoka- Japan). (in Japanese)
  46. Kiminobu Imasaka, Yuki Kato, Usama Khaled, Junya Suehiro, “Effects of pH solution on solubilization efficiency of carbon nanotubes by streamer discharge in water (I) Enhancement of solubility on higher pH”, The Annual Meeting record of IEEJ, Vol. 1, p. 236, (19-3-2008, Fukuoka- Japan). (in Japanese)
  47. Yuki Kato, Usama Khaled, Kiminobu Imasaka, Junya Suehiro, “Effects of pH of solution on solubilization efficiency of carbon nanotubes by streamer discharge in water (II) Mechanisms of pH dependence”, The Annual Meeting record of IEEJ, Vol. 1, p. 237, (19-3-2008, Fukuoka- Japan). (in Japanese)
  48. Kiminobu Imasaka, Yuki Kato, Usama Khaled, Junya Suehiro, “Effect of pH on water-solubilization of carbon nanotube using microplasma in aqueous solution”, The 25th Symposium on Plasma Processing (SPP-25) proc., pp.37-38 , (23-1-2008, Yamaguchi- Japan).
  49. Yuki Kato, Osman Usama Khaled, Kiminobu Imasaka, Junya Suehiro, “Effects of solution pH on solubilization efficiency of carbon nanotubes using streamer discharge in water”, Joint Technical Meeting on Electrical Discharges, Dielectrics and Electrical Insulation and High Voltage Engineering proc., IEEJ, HV-08-22, (29-1-2008, Kagoshima- Japan). (in Japanese)