Dan Hulea

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Timişoara, Timiş, Romania

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Timeline
About me
Lecturer at Politehnica University of Timișoara | Senior Hardware Engineer at ZF Group
Education
- Universitatea Politehnica din Timişoara
  2016 - 2020
  Doctor of Philosophy - PhD Electrical Engineering
  Developed novel bidirectional hybrid DC-DC converters for supercapacitor storage in microgrids and EVs.Proposed and analyzed four converter topologies, optimizing voltage ratios, switch stress, and component sizes.Conducted dynamic analysis and designed current controllers, with prototypes tested up to 5kW using MOSFETs, GaN-FETs, and IGBTs.Proposed and validated power sharing strategies for microgrid applications through digital simulations and experimental results.
- Universitatea Politehnica din Timişoara
  2014 - 2016
  Master of Engineering - MEng Electrical Engineering
  Advance motor drives, Advance control systems, Power electronics for Electrotechnology, EmbeddedSystems, Finite element design
- Universitatea Politehnica din Timişoara
  2010 - 2014
  Bachelor of Engineering - BE Electrical Engineering
  Electronics, Electrical Machines, Electric Drives, Control Systems, Power Electronics, etc.
Experience
- Universitatea Politehnica din Timişoara
  Jan 2014 - now
  Teaching Power Electronics and Embedded Software to bachelor's and master's students.Conducting research in Power Electronics focusing on Power Electronics Topologies, Energy Management Strategies, and Control.Mentored & Supervised student projects and theses on topics such as power converter topologies, energy management strategies, and control systems.Developed and delivered course content, incorporating the latest industry trends, research, and hands-on projects to prepare students for real-world applications. Show less Designed, modeled, and built power electronics for renewable energy, automotive, and industrial applications.Developed new bidirectional DC-DC power converter topologies with wide voltage operation and conducted mathematical analysis, simulations, and stability analysis.Developed converter prototypes (~5kW, 400V/600V to 48V/125V) using GaN, SiC, MOSFET, and IGBT switches.Designed automotive AC Wall Boxes for LEVs and implemented EMC improvements for PV inverters.Contributed to energy management strategies for decentralized systems. Show less
  - Assistant Professor / Lecturer
    Oct 2022 - now
  - University Assistant
    Sept 2019 - Oct 2022
  - Research Assistant
    Jan 2014 - Sept 2019
- The University of Texas at Dallas
  Jan 2017 - May 2017
  Visiting Scholar
  Designed a novel bi-directional power converter for supercapacitor storage in wind turbine applications (400V to 70V, up to 5kW).Attended Power Electronics Modeling and Control seminars and a semester-long course.Attended teaching seminars for UTD Teaching Assistants, helping to improve my educational skills.
- Academia Romana
  Dec 2020 - Sept 2023
  Research Assistant
  Research in the conversion, storage, and processing of electrical energy, with primary focus on power electronics.
- Vitesco Technologies
  May 2022 - Oct 2022
  Hardware Designer
  Responsible for power converters within high-voltage (HV) box modules.Designed and implemented control strategies for power converters handling nonlinear inductive loads.
- ZF Group
  Oct 2022 - now
  Senior Hardware Design Engineer
  Research, design, modeling, and development of HV-HV and HV-LV power converters for automotive On-Board Chargers (OBCs), focusing on efficiency, reliability, and compliance.Focused on optimal converter design, magnetics, control & modulation, EMC filter design, and thermal management.
- The University of Texas at Dallas
  Dec 2024 - Feb 2025
  Visiting Scholar
  Researched, designed, and developed a new power converter topology, focusing on flying-capacitor circuits with modular topology in interleaved operation.Presented research findings at UTD, sharing insights on wide voltage range converters.
Licenses & Certifications
- IEEE Senior Member
  IEEE
  Oct 2024
Honors & Awards
- Awarded to Dan Hulea
  "Ștefan Grosu" Award - Electrical and Power Engineering Technical Sciences Academy of Romania Nov 2022 Award received for our book "Convertoare de curent continuu hibride" (Editura Politehnica, Timișoara, 2019), co-authored with Assoc. Prof. Dr. Eng. Octavian Cornea and Prof. Dr. Eng. Nicolae Muntean.
- Awarded to Dan Hulea
  "Aurel Vlaicu" Award – Technical Sciences Section Romanian Academy Dec 2021 Awarded by the Romanian Academy in recognition of our collective contributions to the field of technical sciences through the publication of the book Hybrid DC Converters (Editura Politehnica, Timișoara, 2019), co-authored by Assoc. Prof. Dr. Eng. Octavian Cornea, Prof. Dr. Eng. Nicolae Muntean, and myself.The book synthesizes the experience of the author team, accumulated over 10 years of research, in designing and implementing new power electronics configurations for renewable energy and… Show more Awarded by the Romanian Academy in recognition of our collective contributions to the field of technical sciences through the publication of the book Hybrid DC Converters (Editura Politehnica, Timișoara, 2019), co-authored by Assoc. Prof. Dr. Eng. Octavian Cornea, Prof. Dr. Eng. Nicolae Muntean, and myself.The book synthesizes the experience of the author team, accumulated over 10 years of research, in designing and implementing new power electronics configurations for renewable energy and automotive applications.This prestigious award honors Romanian scientists, scholars, and artists who have made significant contributions to the advancement of science and culture. Show less
- Awarded to Dan Hulea
  "Martin Bercovici" Award Academy of Romanian Scientists Jun 2021 Award received for our book "Convertoare de curent continuu hibride" (Editura Politehnica, Timișoara, 2019), co-authored with Assoc. Prof. Dr. Eng. Octavian Cornea and Prof. Dr. Eng. Nicolae Muntean.
- Awarded to Dan Hulea
  EPE Young Author Best Paper Award European Power Electronics and Drives Association (EPE) Sep 2019 Awarded by the European Power Electronics and Drives Association (EPE) for the paper “High Ratio Bidirectional Hybrid Switched Inductor Converter Using Wide Bandgap Transistors” presented at the EPE 2018 ECCE Europe conference. Co-authored with Dr. Babak Fahimi, Dr. Octavian Cornea, and Dr. Nicolae Muntean, this paper highlights the results of research conducted during my time as a visiting scientist at the Renewable Energy and Vehicular Technology Lab at The University of Texas at Dallas… Show more Awarded by the European Power Electronics and Drives Association (EPE) for the paper “High Ratio Bidirectional Hybrid Switched Inductor Converter Using Wide Bandgap Transistors” presented at the EPE 2018 ECCE Europe conference. Co-authored with Dr. Babak Fahimi, Dr. Octavian Cornea, and Dr. Nicolae Muntean, this paper highlights the results of research conducted during my time as a visiting scientist at the Renewable Energy and Vehicular Technology Lab at The University of Texas at Dallas, while I was pursuing my PhD at Politehnica University of Timisoara. Show less
- Awarded to Dan Hulea
  IEEE IES Student Paper Travel Award IEEE Industrial Electronics Society Sep 2015 Award received for my first authored paper, “Valley Current Mode Control of a Bi-directional Hybrid DC-DC Converter”, co-authored with Prof. Dr. Eng. N. Muntean and Assoc. Prof. Dr. Eng. N. O. Cornea, presented at the 2015 International Aegean Conference on Electrical Machines and Power Electronics, International Conference on Optimization of Electrical and Electronic Equipment, and International Symposium on Advanced Electromechanical Motion Systems (ACEMP-OPTIM-ELECTROMOTION).