معرفی

Ehsan Najafi

General information	Born 1979, Married , Iranian,
Education	PhD in Electrical Engineering- Power Electronics November 2011 Universiti Teknologi Malaysia (UTM), Malaysia Thesis title :“ Static Compensator Multilevel Inverter for SAG mitigation” M.S. in Electrical Engineering- Power January 2004 Iran University of Science & Technology (IUST), Tehran, Iran (CGPA: 15.46/20) Thesis Title: “Design and Simulation of a Single Phase Battery Charger with PFC for electric vehicle” Seminar title: “new methods of battery charging in electrical and hybrid vehicles ” B.S. in Electronic Engineering September 2001 University of Tehran ,Tehran, Iran (CGPA: 16.1/20) Project Title: “Design and implementation of a Data transceiver Using FM modulator in 50 MHz”
Awards and Honors	Silver medal in 12^th industrial art & technology exhibition (INATEX2010),2010 Silver medal in 22^nd international invention, inovation and technology exhibition (ITEX2011),2011 Scholarship during PhD studis from Malaysia. Best student award for PhD in 48^th convocation ceremony from UTM Pro chancellor award for PhD in 48^th convocation ceremony from UTM Best research candidate in electric power department of Qom university of technology, 2014
Professional Experience	Universiti Teknologi Malaysia (UTM) 2012- 2013 Post doc fellowship. Universiti Teknologi Malaysia (UTM) December 2011- Feb 2012 Visiting lecturer. Universiti Teknologi Malaysia (UTM) July 2010- Nov 2010 Teaching Assistance in instrumentation lab. SADRA institude of higher education Sep 2005- Jun 2006 Part time lecturer for two semesters OIEC Group ( EPC contractor for oil and gas projects ) Jan 2006- Jan 2009 Senior engineer Design of desalination package electrical parts in oil-related projects. Procurement of electrical equipment for south pars 9&10. Contract affair engineer related to Electrical equipment installation and invoice. MOSHANIR (Consultant for electric power networks in Iran) April 2004-Nov 2005 Consulting engineer I worked in the descipline of Research and investigation of low voltage networks. I was in charge of Measuring power quality parameters and preparing power quality reports for investigating electrical networks. Shahed university (in front of Emam shrine) Jun 2002- Mar 2003 Shahed university electrical supervisor for all electrical installation affairs such as switchgears and cable instalations. Power Electronics Laboratrory, IUST Sep. 2001- Apr 2002 Design engineer Solar cells energy conversion using power electronics as a MPPT
Computer Skills	EDA Tools: Matlab, Simulink, P-Spice, OrCAD, AutoCAD, Protel, PLC Operating Systems: Windows Application Software: MS Office, Photoshop, MS Visio
Languages	English, Fluent (Toefl score: 597, Oct. 2006)
Publications	Najafi, E. , A. Vahedi "An Innovative Modeling Algorithm for Investigating PFC Performance", 39^th International Universities Power Engineering Conference (UPEC) , Bristol, UK, Page(s): 283 – 288, September 2004. Najafi, E., A. Vahedi "A new method for eliminating instability problems in current mode DC-DC converters" , Proceedings of Iranian Conference on Electrical Engineering (ICEE), April2004. Najafi, E., A.H.M Yatim, A.S. Samosir,2008,” A New Topology -Reversing Voltage (RV) - for Multi Level Inverters” ,IEEE second power and energy conference ,PECON 2008, Page(s):604 - 608 Najafi, E., A.Vahedi, A.Mahanfar, A.H.M Yatim,2008, ” A New Controlling Method Based on Peak Current Mode (PCM) for PFC ”, IEEE second power and energy conference ,PECON 2008, Page(s):1103 - 1107 Najafi, E., A.H.M Yatim,” A New Topology -Reversing Voltage- for Multi Level Inverters and its SPWM design”, international conference electrical energy & industrial electronic systems, EEIES2009, Page(s):589-593 Najafi, E., Yatim, A.H.M , "A D-STATCOM based on Goertzel algorithm for sag detection and a novel current mode controller," the 5th IEEE Conference on Industrial Electronics and Applications (ICIEA), 2010 , Page(s):1006-1011, 15-17 June 2010 Najafi, E., Yatim, A.H.M, “A new topology named Reversing Voltage (RV) for multilevel inverters”, malaysian patent : PI 2010 002240, May 2010 Najafi, E. , Yatim, A.H.M, “A new sag detection method using Goertzel algorithm” 3rd International Graduate Conference on Engineering,Science and Humanities (IGCESH),2010 Najafi, E. Yatim, A. H. M., “A novel current mode controller for a static compensator utilizing Goertzel algorithm to mitigate voltage sags”.Journal of Energy Conversion and Management, Vol.52, Issue 4, Page(s):1999-2008, Jan2011 Najafi, E. Yatim, A. H. M.,” Design And Application Of A Novel Current Mode Controller On A Multilevel STATCOM” IEEE Applied Power Electronics Colloquium, iapec2011, Page(s):176-179 Najafi, E. Yatim, A. H. M,” Design and implementation of a new multilevel Inverter topology, IEEE transaction on industrial electronics, Vol. 59, No. 11, Page(s) 4148-4154, Nov2012 Najafi, E. Yatim, A. H. M,” MULTILEVEL INVERTER TOPOLOGIES”, Recent Advances In Power Inverter, book chapter,ISBN: 978-983-52-0647-4, 2008. Beigi, L.M.A.; Azli, N.A. ;Khosravi, F. ;Najafi, E. ;Kaykhosravi, A.," A new multilevel inverter topology with reduced number of power switches", IEEE International Conference on Power and Energy (PECon), Page(s): 55 - 59, 2012 Kaykhosravi, A. ;Azli, N.A. ;Khosravi, F. ;Najafi, E., " The application of a Quasi Z-source AC-AC converter in voltage sag mitigation", IEEE International Conference on Power and Energy (PECon), Page(s): 548 - 552, 2012.Najafi, E., "Application of multilevel STATCOM for reducing power loss in transmission lines", 3^rd international conference on emerging trends in energy conversion 2014, page(s):111-119,2014 E Najafi, AH Mohamed Yatim, AS Samosir, "Design and Implementation of a Dynamic Evolution Controller for Single-phase Inverters with Large Load Changes", Electric Power Components and Systems,2014, 42 (10), 995-1003