Gabriel Velu

Professeur des Universités

gabriel.velu@univ-artois.fr

03 21 63 72 48

06 75 94 43 48

FSA Aile D Bureau D1.02

isolation électrique , fils émaillés, fils émaillés haute température.

Responsabilités

  • Directeur de l’EIA

Enseignements

  • stockage énergie électrique

Bibliographie


51 documents

Articles dans une revue26 document

  • Giovana Pereira dos Santos Lima, Sonia Ait-Amar, Gabriel Velu, Philippe Frezel, Abdelhamid Boudiba, et al.. Thermal Evaluation of Silica-Based Insulated Magnet Wires from the Sol–gel Process. Gels, 2023, 9 (8), pp.619. ⟨10.3390/gels9080619⟩. ⟨hal-04177262⟩
  • Sonia Ait-Amar, Rania Saoudi, Gabriel Vélu. Thermal Aging Study of an Anodized Aluminum Strip Wire for Winding and High Temperature Use. Energies, 2022, 15 (15), pp.5362. ⟨10.3390/en15155362⟩. ⟨hal-04064295⟩
  • Giovana Pereira dos Santos Lima, Sonia Ait-Amar, Gabriel Velu, Philippe Frezel, Abdelhamid Boudiba, et al.. Performance Analysis Based on Thermal Aging Tests of Sol-Gel and Polymer Insulated Wires by Enameling and Extrusion Technology. Energies, 2022, 15 (14), pp.5164. ⟨10.3390/en15145164⟩. ⟨hal-04150187⟩
  • Sonia Ait-Amar, Abdoulay Koita, Gabriel Vélu. Interpretation of Eccentricity of an Enameled Wire by Capacitance Measurements. Energies, 2022, 15 (8), pp.2802. ⟨10.3390/en15082802⟩. ⟨hal-04150203⟩
  • Aicha Laidoudi, Stéphane Duchesne, Fabrice Morganti, G. Velu. High-power density induction machines with increased windings temperature. Open Physics, 2020, 18 (1), pp.642-651. ⟨10.1515/phys-2020-0131⟩. ⟨hal-04292252⟩
  • Jean-Philippe Lecointe, Stéphane Duchesne, Dorin Cozonac, Gabriel Vélu, Krzysztof Komeza. High temperature machine: Characterization of materials for the electrical insulation. Open Physics, 2020, 18 (1), pp.674-682. ⟨10.1515/phys-2020-0109⟩. ⟨hal-03667497⟩
  • M. Ababsa, O. Ninet, G. Velu, J. Lecointe. High-Temperature Magnetic Characterization Using an Adapted Epstein Frame. IEEE Transactions on Magnetics, 2018, 54 (6), pp.1-6. ⟨10.1109/TMAG.2018.2811727⟩. ⟨hal-03667542⟩
  • M. Ababsa, O. Ninet, G. Velu, J. Lecointe. High-Temperature Magnetic Characterization Using an Adapted Epstein Frame. IEEE Transactions on Magnetics, 2018, 54 (6), pp.1-6. ⟨10.1109/TMAG.2018.2811727⟩. ⟨hal-04294204⟩
  • Grégory Houzet, Karine Blary, Sylvie Lepilliet, Didier Lippens, Ludovic Burgnies, et al.. Ionic Polarization Occurrence in BaSrTiO3 Thin Film by THz-Time Domain Spectroscopy. Ferroelectrics, 2012, 430 (1), pp.36-41. ⟨10.1080/00150193.2012.677682⟩. ⟨hal-00718742⟩
  • Grégory Houzet, Karine Blary, Sylvie Lepilliet, Didier Lippens, Ludovic Burgnies, et al.. Dielectric dispersion of BaSrTiO3 thin film from centimeter to submillimeter wavelengths. Journal of Applied Physics, 2011, 109 (1), pp.014116. ⟨10.1063/1.3531534⟩. ⟨hal-00572636⟩
  • A. Khalfallaoui, G. Velu, Ludovic Burgnies, Jean-Claude Carru. Characterization of doped BST thin films deposited by sol-gel for tunable microwave devices. IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 2010, 57 (5), pp.1029-1033. ⟨10.1109/TUFFC.2010.1514⟩. ⟨hal-00567884⟩
  • Gregory Houzet, Didier Lippens, Ludovic Burgnies, Gabriel Velu, Jean-Claude Carru. Microstrip transmission line loaded by split-ring resonators tuned by ferroelectric thin film. Progress In Electromagnetics Research C, 2010, 12, pp.225-236. ⟨10.2528/PIERC10012904⟩. ⟨hal-00548687⟩
  • A. Marteau, G. Velu, G. Houzet, Ludovic Burgnies, Eric Lheurette, et al.. Ferroelectric tunable balanced right- and left-handed transmission lines. Applied Physics Letters, 2009, 94 (2), pp.023507. ⟨10.1063/1.3068495⟩. ⟨hal-00471867⟩
  • G. Houzet, Ludovic Burgnies, G. Velu, Jean-Claude Carru, D. Lippens. Dispersion and loss of ferroelectric Ba0.5Sr0.5TiO3 thin films up to 110 GHz. Applied Physics Letters, 2008, 93 (5), pp.053507. ⟨10.1063/1.2969469⟩. ⟨hal-00356925⟩
  • Ludovic Burgnies, Gabriel Vélu, Gregory Houzet, Karine Blary, Jean-Claude Carru, et al.. A TRL-like calibration for tunable interdigitated BST varactors. IEEE Transactions on Instrumentation and Measurement, 2008, 57 (6), pp.1127-1132. ⟨10.1109/TIM.2007.915120⟩. ⟨hal-00356922⟩
  • Manuel Mascot, Didier Fasquelle, Gabriel Velu, Anthony Ferri, Rachel Desfeux, et al.. Pyro, Ferro and Dielectric Properties of Ba0.8 Sr0.2TiO3 Films Deposited by Sol-Gel on Platinized Silicon Substrates. Ferroelectrics, 2008, 362 (1), pp.79-86. ⟨10.1080/00150190802003639⟩. ⟨hal-04630851⟩
  • Ludovic Burgnies, Gabriel Vélu, Karine Blary, Jean-Claude Carru, Didier Lippens. Tunability of ferroelectric varactors up to 60GHz. Electronics Letters, 2007, 43 (21), pp.1151-1152. ⟨10.1049/el:20071996⟩. ⟨hal-00283046⟩
  • Gabriel Vélu, Ludovic Burgnies, Gregory Houzet, Karine Blary, Didier Lippens, et al.. Characterization of ferroelectric films up to 60 GHz : application to phase shifters. Integrated Ferroelectrics, 2007, 93 (1), pp.110-118. ⟨10.1080/10584580701756284⟩. ⟨hal-00285627⟩
  • Gabriel Vélu, Karine Blary, Ludovic Burgnies, Aurélien Marteau, Gregory Houzet, et al.. A 360 degrees BST phase shifter with moderate bias voltage at 30 GHz. IEEE Transactions on Microwave Theory and Techniques, 2007, 55, pp.438-444. ⟨10.1109/TMTT.2006.889319⟩. ⟨hal-00255772⟩
  • Gabriel Vélu, Gregory Houzet, Ludovic Burgnies, Jean-Claude Carru, Aurélien Marteau, et al.. Electrical characterizations of paraelectric BST thin films up to 1 THz : realization of microwave phase shifters. Ferroelectrics, 2007, 353 (1), pp.29-37. ⟨10.1080/00150190701367036⟩. ⟨hal-00285626⟩
  • Gabriel Vélu, Karine Blary, Ludovic Burgnies, Jean-Claude Carru, Elisabet Delos, et al.. A 310°/3.6dB K-band phaseshifter using paraelectric BST thin films. IEEE Microwave and Wireless Components Letters, 2006, 16 (2), pp.87-89. ⟨10.1109/LMWC.2005.863198⟩. ⟨hal-00126833⟩
  • Helmi Abdelkefi, Hamadi Khemakhem, Gabriel Vélu, Jean-Claude Carru, Régnault von Der Mühll. Dielectric proprieties of ferroelectric ceramics derived from the system BaTiO3-NaNbO3-based solid solutions. Solid State Sciences, 2004, 6 (12), pp.1347-1351. ⟨10.1016/j.solidstatesciences.2004.07.012⟩. ⟨hal-00160936⟩
  • G. Velu, Jean-Claude Carru, Eric Cattan, Denis Remiens, X. Melique, et al.. Deposition of ferroelectric BST thin films by sol gel route in view of electronic applications. Ferroelectrics, 2003, 288 (1), pp.59-69. ⟨10.1080/00150190390212007⟩. ⟨hal-00146068⟩
  • El Hadj Dogheche, Denis Remiens, G. Velu. Electrical and optical characterizations by prism-coupling method of PZT deposited in-situ by sputtering. Vacuum, 2002, 66, pp.1-8. ⟨hal-00250392⟩
  • G. Velu, C. Legrand, O. Tharaud, A. Chapoton, Denis Remiens, et al.. Low driving voltages and memory effect in organic thin-film transistors with a ferroelectric gate insulator. Applied Physics Letters, 2001, 79, pp.659-661. ⟨hal-00152158⟩
  • G. Velu, Denis Remiens. In situ deposition of sputtered PZT films: control of the growth temperature by the sputtered lead flux. Vacuum, 2000, 56, pp.199-204. ⟨hal-00158556⟩

Communications dans un congrès25 document

  • Giovana Pereira dos Santos Lima, S. Ait-Amar, G. Velu, P. Frezel. CHARACTERIZATION OF CLASSICAL AND EXTRUDED ENAMELLED WIRES. 14th International Electrical Insulation Conference ( INSUCON 2023), Apr 2023, BIRMINGHAM, United Kingdom. ⟨hal-04150368⟩
  • G. Pereira dos Santos Lima, S. Ait-Amar, G. Velu, P. Frezel. Study of new ecological magnet wires performances during thermal aging tests. 2022 IEEE 4th International Conference on Dielectrics (ICD), Jul 2022, Palermo, France. pp.769-772, ⟨10.1109/ICD53806.2022.9863566⟩. ⟨hal-04294301⟩
  • Samir Hachour, Sonia Ait-Amar, François Delmotte, Gabriel Vélu. A Belief Function Solution for Stator Insulation Robustness Study. 2019 9th International Conference on Power and Energy Systems (ICPES), Dec 2019, Perth, Australia. pp.1-5, ⟨10.1109/ICPES47639.2019.9105428⟩. ⟨hal-04294225⟩
  • Amal Guezmil, Vadim Iosif, Gabriel Velu, Daniel Roger. High temperature induction motor preliminary sizing. 2019 19th International Symposium on Electromagnetic Fields in Mechatronics, Electrical and Electronic Engineering (ISEF), Aug 2019, Nancy, France. pp.1-2, ⟨10.1109/ISEF45929.2019.9097044⟩. ⟨hal-04303319⟩
  • Daniel Roger, Gabriel Velu, Sylvain Babicz, S. Ait-Amar. HIGH TEMPERATURE MACHINES: A COMPARISON BETWEEN CERAMIC-COATED WIRES AND ANODIZED ALUMINUM STRIPS. XXV Symposium Electromagnetic Phenomena in Nonlinear Circuits (EPNC), LABORATOIRE SYSTEMES ELECTROTECHNIQUES ET ENVIRONNEMENT, Jun 2018, ARRAS, France. ⟨hal-04294239⟩
  • Vasile Mihaila, Manh Quan Nguyen, Stéphane Duchesne, Gabriel Velu, Daniel Roger, et al.. Solutions d'isolation électrique pour les machines fonctionnant à Hautes Températures. Symposium de Génie Électrique 2014, Jul 2014, Cachan, France. ⟨hal-01065229⟩
  • Gabriel Velu, Stéphane Duchesne, Daniel Roger, Walid Boughamni, Ewa Napieralska-Juszczak. Bobinage à faible impact environnemental. Symposium de Génie Électrique 2014, Jul 2014, Cachan, France. ⟨hal-01065213⟩
  • S. Ait Amar, D. Roger, G. Velu, M. Ben Fatallah, A. Habas, et al.. Dielectric Parameters Study of insulation Wire Free of Volatile Organic Compound. IEEE Annual Conf. on El. Insulation and Diel. Phenomena CEIDP, 2012, Montréal, Canada. ⟨hal-01882817⟩
  • P. Kuzel, E. Simon, T. Ostapchuk, J. Hlinka, S. Kamba, et al.. Terahertz and far-infrared response of BaxSr1-xTiO3 films. Czech-Polish Seminar 2010 on Structural and Ferroelectric Phase Transitions, May 2010, Telč, Czech Republic. pp.966-973, ⟨10.1080/01411594.2010.509608⟩. ⟨hal-00672151⟩
  • G. Houzet, Ludovic Burgnies, X. Melique, G. Velu, Jean-Claude Carru, et al.. Métamatériaux à base de microrésonateurs fendus accordables par films minces ferroélectriques. 11èmes Journées de Caractérisation Microondes et Matériaux - JCMM 2010, Mar 2010, Brest, France. ⟨hal-00573578⟩
  • G. Houzet, X. Melique, G. Velu, Ludovic Burgnies, Jean-Claude Carru, et al.. Microstrip transmission lines loaded by SRRs tunabled by ferroelectrics. METAMATERIALS 2009 : The Third International Congress on Advanced Electromagnetic Materials in Microwaves and Optics, The Metamorphose Virtual Institute, Aug 2009, Londres, United Kingdom. pp.20-22. ⟨hal-00474418⟩
  • G. Houzet, G. Velu, A. Marteau, Ludovic Burgnies, Eric Lheurette, et al.. Ligne de transmission composite équilibrée fonctionnant en bandes Ku et K. 16èmes Journées Nationales Micro-ondes - JNM 2009, May 2009, Grenoble, France. pp.1E-13, 1-4. ⟨hal-00480348⟩
  • Gregory Houzet, Ludovic Burgnies, Karine Blary, Gabriel Vélu, Jean-Claude Carru, et al.. Propriétés diélectriques de films BST jusqu'à 110 GHz : applications aux varactors en bandes millimétriques. 16èmes Journées Nationales Microondes - JNM 2009, May 2009, Grenoble, France. pp.1B-3, 1-4. ⟨hal-00480338⟩
  • Gregory Houzet, Ludovic Burgnies, Sylvie Lepilliet, Gabriel Vélu, Karine Blary, et al.. Permittivité complexe du ferroélectrique BaSrTiO3 aux longueurs d'ondes millimétriques. 10èmes Journées de Caractérisation Microondes et Matériaux (JCMM 2008), Apr 2008, Limoges, France. ⟨hal-00811205⟩
  • A. Khalfallaoui, G. Houzet, G. Velu, Ludovic Burgnies, Jean-Claude Carru, et al.. Structuration submicronique sur oxydes ferroélectriques : application aux circuits millimétriques agiles. Workshop 'Oxydes fonctionnels pour l'intégration en micro- et nano-électronique', Mar 2008, Autrans, France. ⟨hal-00811204⟩
  • Eric Lheurette, Grégory Houzet, Julien Clay, Gabriel Vélu, Ludovic Burgnies, et al.. Effet varactor dans les lignes de transmission main gauche - main droite à base de film BST. 8èmes Journées Couches Minces Ferroélectriques (JCF 2007), Oct 2007, Calais, France. ⟨hal-02018073⟩
  • Gabriel Vélu, Ludovic Burgnies, Grégory Houzet, Karine Blary, Didier Lippens, et al.. Caractérisation jusqu'à 60 GHz de films ferroélectriques BST. JCF 2007 ''8èmes Journées Couches Minces Ferroélectriques'', Oct 2007, Calais, France. ⟨hal-02018059⟩
  • G. Houzet, A. Marteau, G. Velu, Eric Lheurette, Ludovic Burgnies, et al.. Voltage-controlled composite metamaterials via the loaded transmission line approach. 1st International Congress on Advanced Electromagnetic Materials for Microwaves and Optics - Metamaterials 2007, Virtual Institute for Advanced Electromagnetic Materials and Metamaterials - METAMORPHOSE VI, Oct 2007, Roma, Italy. pp.48-51. ⟨hal-00804714⟩
  • Ludovic Burgnies, Gabriel Vélu, Karine Blary, Grégory Houzet, Didier Lippens, et al.. Caractérisation microondes de condensateurs interdigités accordables sur film BST. 15èmes Journées Nationales Micro-ondes (JNM 2007), May 2007, Toulouse, France. ⟨hal-02018093⟩
  • Aurélien Marteau, Grégory Houzet, Karine Blary, Eric Lheurette, Didier Lippens, et al.. Lignes de transmission main gauche - main droite accordables par matériaux ferroélectriques. Journées Nationales Micro-ondes 2007 (JNM 2007), May 2007, Toulouse, France. ⟨hal-02018107⟩
  • Gabriel Vélu, Grégory Houzet, Ludovic Burgnies, Karine Blary, Didier Lippens, et al.. Déphaseurs 60 GHz à base de films minces ferroélectriques. 15èmes Journées Nationales Micro-ondes 2007 (JNM 2007), May 2007, Toulouse, France. ⟨hal-02018100⟩
  • Gabriel Vélu, Karine Blary, Ludovic Burgnies, Jean-Claude Carru, Elisabet Delos, et al.. A 310 degrees K-band phaseshifter using tunable BaSrTiO3 interdigitated capacitors. European Microwave Conference, Oct 2005, Paris, France. 4p., ⟨10.1109/EUMC.2005.1608942⟩. ⟨hal-00154900⟩
  • K. Lmimouni, M. Berliocchi, C. Dufour, Denis Remiens, D. Vuillaume, et al.. Optimisation and modelling of pentacene-based organic thin film on high-k gate dielectrics. 7th European Conference on Molecular Electronics, ECME 2003, 2003, Avignon, France. ⟨hal-00146178⟩
  • Olivier Vanbésien, Tahsin Akalin, M. Fernandez Diego, S. Arscott, Didier Lippens, et al.. Application des concepts de gap de photons aux structures micro-ondes accordables. 7èmes Journées de Caractérisation Micro-ondes et Matériaux - JCMM 2002, Mar 2002, Toulouse, France. ⟨hal-00148623⟩
  • S. Queste, G. Velu, K. Lmimouni, D. Vuillaume, A. Chapoton, et al.. Organic thin film transistors with ferroelectric gate oxide. 7th European Conference on Molecular Electronics, 2001, Kerkrade, Netherlands. ⟨hal-00152183⟩

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