• Product

    Teza doctorat

    Modelarea și soluții de caracterizare a materialelor magnetice

    Conducător științific Prof. emerit dr. ing. Horia GAVRILA

    Universitatea "Politehnica" din București, Catedra de Electrotehnică, 140 pagini, Ianuarie 2010
  • Product

    Carti


    Cărți / cursuri (manuale) pentru uzul studenților

    Ca1

    		 L. Petrescu - Bazele electrotehnicii - Elemente de teorie a câmpului electromagnetic, Editura Politehnica Press, 2015, ISBN 978-606-515-625-8, 220 pagini.

    Ca2

    		 E. Cazacu, O. Drosu, G. Epureanu, L. Petrescu, V. Mănescu, G. Păltânea, R. Costea, V. Bucată - Chestiuni speciale de teoria circuitelor electrice; Elemente de teorie și aplicații, vol 1, Editura Matrix Rom, 2005, ISBN 973-685-925-8, 145 pagini.

    Cărți de specialitate

    Cb1

    		 E. Cazacu, L. Petrescu - Expertiza sistemelor electrice industriale, Editura Printech, 2014, ISBN 978-606-23-0231-3, 300 pagini.

    Cb2

    		 V. Ioniță, V. Păltânea, Gh. Păltânea, L. Petrescu, G. Epureanu, A.D. Ioniță Caracterizarea avansată a materialelor magnetice, Editura Politehnica Press, ISBN 973-606-515-023-2, 2009, 266 pagini.
    (2 citări ISI)

    Culegeri și îndrumare

    I1

    		 G. Epureanu, L. Petrescu, C. Popescu - Teoria Circuitelor Electrice - Aplicații, Editura MatrixRom, ISBN 978-973-755-660-8, 2010, 330 pagini.

    I2

    		 L. Petrescu, G. Epureanu Probleme de Bazele Electrotehnicii (Partea I), Editura Printech, ISBN 978-973-718-841-0, 2007, 147 pagini.
  • Product

    Articole


    Articole în reviste indexate ISI (14)

    Ris1

    		 M.C. Petrescu, L. Petrescu, Electrodynamic forces between two DC busbars distribution systems conductors, U.P.B. Sci. Bull., Series C, Vol. 78, Iss. 2, 2016, ISSN 1454-234x, pp. 223 - 234, WOS:000388733300020.
    (2 citări BDI)

    Ris2

    		 V. Ioniță, L. Petrescu, E. Cazacu, Effect of current harmonics on the hysteresis losses in soft magnetic materials, Revue Roumaine des Sciences Techniques - Série Electrotechnique et Energétique, Ed. Academiei Române, tome 60, no. 4, p. 366 - 375, Bucarest, 2015, ISSN 0035-4066, IF: 1.036, WOS:000365935800003.
    (1 citare ISI)

    Ris3

    		 L. Petrescu, E. Cazacu, V. Ioniță, High Frequenies Losses Prediction in Soft Magnetic Materials, Revue Roumaine des Sciences Techniques - Série Electrotechnique et Energétique, Ed. Academiei Române, tome 60, no. 1, p. 49 - 58, Bucarest, 2015, ISSN 0035-4066, IF: 1.036, WOS:000350923900006.
    (2 citări ISI)

    Ris4

    		 E. Cazacu, L. Petrescu, On-site derating of in-service power distribution transformers supplying nolinear loads, Revue Roumaine des Sciences Techniques - Série Electrotechnique et Energétique, Ed. Academiei Române, tome 59, no. 3, p. 259 - 268, Bucarest, 2014, ISSN 0035-4066, IF: 1.036, WOS:000341801300004.

    Ris5

    		 E. Cazacu, V. Ioniță, L. Petrescu, Transformer inrush current predetermination for distorted waveform voltage supply, Revue Roumaine des Sciences Techniques - Série Electrotechnique et Energétique, Ed. Academiei Române, tome 58, no. 3, p. 342 - 351, Bucarest, 2013, ISSN 0035-4066, IF: 1.036, WOS:000324447900002.
    (1 citare ISI și 1 citare BDI)

    Ris6

    		 L. Petrescu, A. Bordianu, V. Ioniță, Homogenization efficiency for composite materials in 2D magntostatic exterior problems, Revue Roumaine des Sciences Techniques - Série Electrotechnique et Energétique, Ed. Academiei Române, tome 58, no. 2, p. 135 - 144, Bucarest, 2013, ISSN 0035-4066, IF: 1.036, WOS:000320488100004.

    Ris7

    		 V. Ioniță, L. Petrescu, A. Bordianu, Efficient Use of Preisach Hysteresis Model in Computer Aided Design, Advanced in Electrical and Computer Engineering, volume 13, no. 2, 2013, ISSN 1582-7445, pp. 121 - 126, DOI: 10.4316/AECE.2013.02019, IF: 0.595, WOS:000322179400019.
    (2 citări ISI)

    Ris8

    		 V. Ioniță, I. Covaliu, L. Petrescu, A. Bordianu, O. Tabară,Magnetic Characterization of the Fe3O4 nanoparticles used in biomaterials, Revue Roumaine des Sciences Techniques - Série Electrotechnique et Energétique, Ed. Academiei Române, tome 57, no. 2, p. 154 - 161, Bucarest, 2012, ISSN 0035-4066, IF: 1.036, WOS:000305202600005.

    Ris9

    		 A. Bordianu, V. Ioniță, L. Petrescu, Micro-scale Numerical Simulation of the Magnetic Recording, Revue Roumaine des Sciences Techniques - Série Electrotechnique et Energétique, Ed. Academiei Române, tome 57, no. 1, p. 3 - 9, Bucarest, 2012, ISSN 0035-4066, IF: 1.036, WOS:000303096800001.

    Ris10

    		 V. Ioniță, L. Petrescu, Magnetic Material Characterization by Open Sample Neasurements, Revue Roumaine des Sciences Techniques - Série Electrotechnique et Energétique, Ed. Academiei Române, tome 54, no. 1, p. 87 - 94, Bucarest, 2009, ISSN 0035-4066, IF: 1.036, WOS:000264503000009.
    (4 citări ISI și 1 citare BDI)

    Ris11

    		 C. Constantinescu, N. Scțrișoreanu, A. Moldovan, M. Dinescu, L. Petrescu, G. Epureanu,Thin films of NdFeB deposited by PLD technique, Applied Surface Science, Vol. 253, no. 19, pp. 8192-8196, ISSN: 0169-4332, 2007, DOI: 10.1016/j.apsusc.2007.02.165, IF: 3.387, WOS:000249020500109.
    (8 citări ISI și 2 citări BDI)

    Ris12

    		 L. Petrescu, Comparison between frequently used Hysteresis Models, Revue Roumaine des Sciences Techniques - Série Electrotechnique et Energétique, Ed. Academiei Române, tome 52, no. 3, p. 311 - 320, Bucarest, 2007, ISSN 0035-4066, IF: 1.036, WOS:000255783700005.
    (3 citări ISI)

    Ris13

    		 V. Ioniță, L. Petrescu, A. Razicheanu, Adjustable device for magnetic material investigation by Kerrmicroscopy, Int. Journal of Appl. Electromagnetics and Mechanics, Vol. 25, no. 1-4, ISSN 1383-5416, 2007, pp. 199 - 203, IF: 0.769, WOS:000248151100033.

    Ris14

    		 V. Ioniță, L. Petrescu, Numerical Advanced Characterization of Recording Magnetic Media, JOAM, vol. 8, No. 3, June 2006, ROMSC 2005 (Iasi, ROU), ISSN 1454-4164, pp. 998-1000, IF: 0.449, WOS:000238506500020.

    Articole în conferințe cotate ISI sau IEEExplore (20)

    Vis1

    		 V. Ioniță, L. Petrescu, E. Cazacu, Derating of power distribution transformers serving nonlinear industrial loads, 2017 International Conference on Optimization of Electrical and Electronic Equipment (OPTIM) & 2017 Intl Aegean Conference on Electrical Machines and Power Electronics (ACEMP), 2017, Pages: 90 -95, DOI: 10.1109/OPTIM.2017.7974953.

    Vis2

    		 L. Petrescu, V. Ioniță, E. Cazacu, C. Petrescu, Steinmetz' parameters fitting procedure for the power losses estimation in soft magnetic materials, 2017 International Conference on Optimization of Electrical and Electronic Equipment (OPTIM) & 2017 Intl Aegean Conference on Electrical Machines and Power Electronics (ACEMP), 2017, Pages: 208 - 213, DOI: 10.1109/OPTIM.2017.7974972.

    Vis3

    		 V. Ioniță, E. Cazacu, L. Petrescu, E.-A. Pătroi, E. Manta, Improved prediction of hysteresis losses in electrical machine cores, 2017 International Conference on Modern Power Systems (MPS), 2017, Pages: 1 - 4, DOI: 10.1109/MPS.2017.7974403.

    Vis4

    		 E. Cazacu, L. Petrescu, V. Ioniță, Flux-current description of some particular iron core devices, 2017 International Conference on Modern Power Systems (MPS), 2017, Pages: 1 - 4, DOI: 10.1109/MPS.2017.7974373.

    Vis5

    		 E. Cazacu, L. Petrescu, V. Ioniță, Ferroresonance modes determination of single-phase toroidal transformers, 2017 15th International Conference on Electrical Machines, Drives and Power Systems (ELMA), Sofia, Bulgaria, 2017, pp. 358 - 361, doi: 10.1109/ELMA.2017.7955463.

    Vis6

    		 E. Cazacu, L. Petrescu, V. Ioniță, Losses and temperature rise within power transformers subjected to distorted currents, 2017 15th International Conference on Electrical Machines, Drives and Power Systems (ELMA), Sofia, Bulgaria, 2017, pp. 362 - 365, doi: 10.1109/ELMA.2017.7955464.

    Vis7

    		 L. Petrescu, E. Cazacu, V. Ioniță, C. Petrescu, Comparison between non-oriented silicon iron sheets used for electrical machines, 10th International Symposium on Advanced Topics in Electrical Engineering ATEE 2017, 23th - 25th March 2017, Bucharest, ISBN 978-1-5090-5160-1, Pages: 524 - 528, DOI: 10.1109/ATEE.2017.7905174, WOS:000403399400102.

    Vis8

    		 L. Petrescu, B. Cheșca, E. Cazacu, C. Petrescu, Planar transformer windings losses at different waveforms, 10th International Symposium on Advanced Topics in Electrical Engineering ATEE 2017, 23th - 25th March 2017, Bucharest, ISBN 978-1-5090-5160-1, Pages: 350 - 353, DOI: 10.1109/ATEE.2017.7905163, WOS:000403399400068.

    Vis9

    		 V. Ioniță, E. Cazacu, L. Petrescu, Remarks about the magnetic characterization of magnetite nanopowders, 10th International Symposium on Advanced Topics in Electrical Engineering ATEE 2017, 23th - 25th March 2017, Bucharest, ISBN 978-1-5090-5160-1, Pages: 369 - 372, DOI: 10.1109/ATEE.2017.7905176, WOS:000403399400072.

    Vis10

    		 E. Cazacu, V. Ioniță,L. Petrescu, An efficient method for investigating the ferroresonance of single-phase iron core devices, 10th International Symposium on Advanced Topics in Electrical Engineering ATEE 2017, 23th - 25th March 2017, Bucharest, ISBN 978-1-5090-5160-1, Pages: 363 - 368, DOI: 10.1109/ATEE.2017.7905167, WOS:000403399400071.

    Vis11

    		 V. Ioniță, L. Petrescu, E. Cazacu, Influence of Harmonics' Initial Phases on Magnetic Losses in Non-Oriented Grains FeSi Sheets, International Symposium on Fundamentals of Electrical Engineering, ISFEE 2016, 30th June -1st July 2016, Bucharest, pp. 1-5, DOI: 10.1109/ISFEE.2016.7803213, WOS:000392434400065.

    Vis12

    		 L. Petrescu, E. Cazacu, C. Petrescu, Sigmoid Functions Used in Hysteresis Phenomenon Modeling, The 9th International Symposium on Advanced Topics in Electrical Engineering, ATEE 2015, 7th - 9th May 2015, Bucharest, ISBN 978-4673-8093-5, pp. 521 - 524, DOI: 10.1109/ATEE.2015.7133863, WOS:000368159800098.

    Vis13

    		 E. Cazacu, V. Ioniță,L. Petrescu, Numerical and Experimental Investigations on the Energizing of Miniature Iron Core Transformers, The 9th International Symposium on Advanced Topics in Electrical Engineering, ATEE 2015, 7th - 9th May 2015, Bucharest, ISBN 978-4673-8093-5, pp. 521 - 524, DOI: 10.1109/ATEE.2015.7133759, WOS:000368159800030.

    Vis14

    		 A. Bordianu, L. Petrescu, V. Ioniță, Numerical testing of homogenization formulas efficiency for magnetic composite materials, Journal of Physics: Conference Series 585 (2015) 012003, IOP Publishing, ISSN 1742-6588, pp. 1-8, DOI: 10.1088/1742-6596/585/1/012003, WOS:000352196800003.

    Vis15

    		 L. Petrescu, E. Cazacu, V. Ioniță, C. Petrescu, Characterization of Soft Magnetic Materials in a Wide Range of Frequencies, International Symposium on Fundamentals of Electrical Engineering, ISFEE 2014, 28th-29th November 2014, Bucharest, ISBN: 978-1-4799-6820-6, pp.1-6, DOI: 10.1109/ISFEE.2014.7050630, WOS:000380570500098.

    Vis16

    		 E. Cazacu, L. Petrescu, Derating the three-phase power distribution transformers under nonsinusoidal operating conditions: A case study, Proceeding on the 16th IEEE International Conference on Harmonics and Quality of Power (ICHQP), pp. 488 - 492, Bucharest 25-28 May 2014, Romania, ISBN 978-1-4673-6487-4, ISSN 2164-0610, DOI: 10.1109/ICHQP.2014.6842930, WOS:0003437761001001.

    Vis17

    		 E. Cazacu, L. Petrescu, Magnetising inrush current of low-voltage iron core three phase power reactors, Proceeding on the 16th IEEE International Conference on Harmonics and Quality of Power (ICHQP), pp. 843 - 847, Bucharest 25-28 May 2014, Romania, ISBN 978-1-4673-6487-4, ISSN 2164-0610, DOI: 10.1109/ICHQP.2014.6842874, WOS:000343776100173.

    Vis18

    		 E. Cazacu, V. Ioniță, L. Petrescu, An Improved Method for the Inrush Current Evaluation in Single Phase Power Transformers, Proceeding on the 8th International Symposium on Advanced Topics in Electrical Engineering, ISBN 978-1-4673-5979-5, Bucharest 23-25 May 2013, Romania, pp. 1 - 6, DOI: DOI:10.1109/ATEE.2013.6563390, WOS:000332928500044.

    Vis19

    		 E. Cazacu, L. Petrescu, A Simple and Low-Cost Method for Miniature Power Transformers' Hysteresis Losses Evaluation, Proceeding on the 8th International Symposium on Advanced Topics in Electrical Engineering, ISBN 978-1-4673-5979-5, Bucharest 23-25 May 2013, Romania, pp. 1 - 6, DOI: DOI:10.1109/ATEE.2013.6563452, WOS:000332928500106.

    Vis20

    		 V. Ioniță, L. Petrescu, Computational errors in hysteresis Preisach modelling, "Mathematics in Industry, vol.11, (Scientific Computing in Electrical Engineeering)", Editors. G. Ciuprina, D. Ioan, Springer Verlag, Berlin, ISBN 978-3-540-71979-3, 2007, pp. 317 - 322, WOS:000250107700034.

    Contracte de cercetare - director

    P1

    		 Analiza regimului termic al dispozitivelor electromagnetice ce functioneaza în regim periodic nesinusoidal - 79 / 26.09.2016 (GEX-UPB) - Director proiect (autoritatea contractanta UPB - Contractor: Lucian Petrescu, tip proiect: Grant Intern de Cercetare)
    Contract

    P2

    		 Bursa postdoctorala în cadrul U.P.B. în cadrul proiectului "ExcelDOC - Excelenta în cercetare prin burse doctorale si postdoctorale", POSDRU/159/1.5/S/132397.
    Influența materialelor magnetice în creșterea calității și eficienței utilizării energiei electrice
    Contract

    Brevete de invenție

    B1

    		 Metodă de estimare a efectului modului de tăiere al tolelor asupra pierderilor în fier la mașinile electrice A00335/11.05.2016
    Autori: I. Peter, Gh. Scutaru, H. Gavrila, L. Petrescu, s.a.