E. Koutroulis

Dr. Eftichios Koutroulis

Professor, Director of the Circuits, Sensors and
Renewable Energy Resources Laboratory


Eftichios Koutroulis was born in Chania, Greece, in 1973. He received his Diploma, M.Sc. and Ph.D. in Electronic and Computer Engineering from the Technical University of Crete, in 1996, 1999 and 2002, respectively. From September 2002 he has served at the Department of Electronic and Computer Engineering, Technical University of Crete. He also worked as a Visiting Researcher at the Department of Energy Technology, Aalborg University (Aalborg, Denmark). Since January 2012, he has been an Assistant Professor with the Department of Electronic and Computer Engineering, Technical University of Crete. His research interests include the design of power converters and microelectronic energy management systems for Renewable Energy Sources applications and the design optimization of Photovoltaic power plants. Since April 2011, he serves as a member of the Editorial Board of the Renewable Energy journal.

Research Interests:

  • Development of microelectronic circuits and systems
  • Electronic energy management systems
  • Renewable Energy Sources
  • Energy harvesting
  • Power electronics
  • Electronic measurement systems

Publications in international journals:

  1. Ε. Koutroulis, K. Kalaitzakis and N. C. Voulgaris,
    "Development of a Microcontroller-based, Photovoltaic Maximum Power Point Tracking Control System",
    IEEE Transactions on Power Electronics, Vol. 16, No. 1, pp. 46-54, January 2001.
  2. E. Koutroulis, J. Chatzakis, K. Kalaitzakis and N. C. Voulgaris,
    "A Bidirectional, Sinusoidal, High-Frequency Inverter Design",
    IEE Proceedings - Electric Power Applications, Vol. 148, No. 4, pp. 315-321, July 2001.
  3. Eftichios Koutroulis and Kostas Kalaitzakis,
    "Development of an Integrated Data-Acquisition System for Renewable Energy Sources Systems Monitoring",
    Renewable Energy, Vol. 28, Issue 1, pp. 139-152, January 2003.
  4. E. Koutroulis, J. Chatzakis, K. Kalaitzakis, S. Manias and N. C. Voulgaris,
    "A system for inverter protection and real-time monitoring",
    Microelectronics Journal, Vol. 34, Issue 9, pp. 823-832, September 2003.
  5. Kostas Kalaitzakis, Eftichios Koutroulis and Vassilios Vlachos,
    "Development of a data acquisition system for remote monitoring of renewable energy systems",
    Measurement, Vol. 34, Issue 2, pp. 75-83, September 2003.
  6. E. Koutroulis, K. Kalaitzakis,
    "Novel battery charging regulation system for photovoltaic applications",
    IEE Proceedings - Electric Power Applications, Vol. 151, No. 2, pp. 191-197, March 2004.
  7. K. Papadakis, E. Koutroulis and K. Kalaitzakis,
    "A server database system for remote monitoring and operational evaluation of renewable energy sources plants",
    Renewable Energy, Vol. 30, Issue 11, pp. 1649-1669, September 2005.
  8. E. Koutroulis and K. Kalaitzakis,
    "Design of a Maximum Power Tracking System for Wind-Energy-Conversion Applications",
    IEEE Transactions on Industrial Electronics, Vol. 53, No. 2, pp. 486 - 494, April 2006.
  9. E. Koutroulis, A. Dollas and K. Kalaitzakis,
    "High-Frequency Pulse Width Modulation Implementation Using FPGA and CPLD ICs",
    Journal of Systems Architecture, Vol. 52, Issue 6, pp. 332-344, June 2006.
  10. E. Koutroulis, D. Kolokotsa, A. Potirakis and K. Kalaitzakis,
    "Methodology for optimal sizing of stand-alone photovoltaic/wind-generator systems using genetic algorithms",
    Solar Energy, Vol. 80, Issue 9, pp. 1072-1088, September 2006.
  11. Eftichios Koutroulis, Kostas Kalaitzakis, Vasileios Tzitzilonis,
    "Development of an FPGA-based system for real-time simulation of photovoltaic modules",
    Microelectronics Journal, Special Issue: Rapid System Prototyping, Vol. 40, Issue 7, pp. 1094-1102, 2009.
  12. E. Koutroulis, D. Kolokotsa, G. Stavrakakis,
    "Optimal Design and Economic Evaluation of a Battery Energy Storage System for the Maximization of the Energy Generated by Wind Farms in Isolated Electric Grids",
    Wind Engineering, Vol. 33, No. 1, pp. 55-81, 2009.
  13. A. Kornelakis, E. Koutroulis,
    "Methodology for the design optimization and the economic analysis of grid-connected photovoltaic systems",
    IET Renewable Power Generation, Vol. 3, No. 4, pp. 476-492, 2009.
  14. E. Koutroulis, D. Kolokotsa,
    "Design Optimization of Desalination Systems Power-Supplied by PV and W/G Energy Sources",
    Desalination, Vol. 258, pp. 171-181, 2010.
  15. E. Koutroulis, F. Blaabjerg,
    "A New Technique for Tracking the Global Maximum Power Point of PV Arrays Operating under Partial Shading Conditions",
    IEEE Journal of Photovoltaics, Vol. 2, No. 2, pp. 184 -190, 2012.
  16. E. Koutroulis, F. Blaabjerg,
    "Methodology for the optimal design of transformerless grid-connected PV inverters",
    IET Power Electronics, Vol. 5, No. 8, pp. 1491-1499, 2012.
  17. E. Koutroulis, F. Blaabjerg,
    "Design Optimization of Transformerless Grid-Connected PV Inverters Including Reliability",
    IEEE Transactions on Power Electronics, Vol. 28, No. 1, pp. 325-335, 2013.
  18. T. Kerekes, E. Koutroulis, D. Sera, R. Teodorescu, M. Katsanevakis,
    "An Optimization Method for Designing Large PV Plants",
    IEEE Journal of Photovoltaics, Vol. 3, No. 2, pp. 814-822, 2013.
  19. S. Saridakis, E. Koutroulis, F. Blaabjerg,
    "Optimal Design of Modern Transformerless PV Inverter Topologies",
    IEEE Transactions on Energy Conversion, Vol. 28, No. 2, pp. 394-404, 2013.
  20. M. Lakka, E. Koutroulis, A. Dollas,
    "Development of an FPGA-Based SPWM Generator for High Switching Frequency DC/AC Inverters",
    IEEE Transactions on Power Electronics, Vol. 29, No. 1, pp. 356-365, 2014.
  21. C. Konstantopoulos, E. Koutroulis,
    "Global Maximum Power Point Tracking of Flexible Photovoltaic Modules",
    IEEE Transactions on Power Electronics, Vol. 29, No. 6, pp. 2817-2828, 2014.
  22. Ε. Kampianakis, J. Kimionis, K. Tountas, C. Konstantopoulos, E. Koutroulis, A. Bletsas,
    "Wireless Environmental Sensor Networking With Analog Scatter Radio and Timer Principles",
    IEEE Sensors Journal, Special Issue on Selected Papers from the 12th IEEE SENSORS Conference 2013, Vol. 14, No. 10, pp. 3365-3376, 2014 (in extended form compared to the corresponding conference paper).
  23. C. Paravalos, E. Koutroulis, V. Samoladas, T. Kerekes, D. Sera, R. Teodorescu,
    "Optimal Design of Photovoltaic Systems Using High Time-Resolution Meteorological Data",
    IEEE Transactions on Industrial Informatics, Special Section on “Modeling and Simulation of Cyber-Physical Energy Systems”, Vol. 10, No. 4, pp. 2270-2279, 2014.
  24. S. Saridakis, E. Koutroulis, F. Blaabjerg,
    "Optimization of SiC-based H5 and Conergy-NPC Transformerless PV Inverters",
    IEEE Journal of Emerging and Selected Topics in Power Electronics, Vol. 3, No. 2, pp. 555-567, 2015.
  25. E. Koutroulis, F. Blaabjerg,
    "Overview of Maximum Power Point Tracking Techniques for Photovoltaic Energy Production Systems",
    Electric Power Components and Systems, Special Issue: Renewable Energy Devices and Systems - State-of-the-Art and Future Trends, Vol. 43, No. 12, pp. 1329-1351, 2015.
  26. C. Konstantopoulos, E. Koutroulis, N. Mitianoudis and A. Bletsas,
    "Converting a Plant to a Battery and Wireless Sensor with Scatter Radio and Ultra-Low Cost",
    IEEE Transactions on Instrumentation & Measurement, Vol. 65, No. 2, pp. 388-398, 2016.
  27. A. Paraskevas, E. Koutroulis,
    "A simple maximum power point tracker for thermoelectric generators",
    Energy Conversion and Management, Vol. 108, pp. 355-365, 2016.
  28. K. Loizou, E. Koutroulis,
    "Water level sensing: State of the art review and performance evaluation of a low-cost measurement system",
    Measurement, Vol. 89, pp. 204-214, 2016.
  29. Y. Yang, E. Koutroulis, A. Sangwongwanich, F. Blaabjerg,
    "Pursuing Photovoltaic Cost-Effectiveness: Absolute Active Power Control Offers Hope in Single-Phase PV Systems",
    IEEE Industry Applications Magazine, vol. 23, no. 5, pp. 40-49, 2017.
  30. I. Mandourarakis, E. Koutroulis,
    "Unified System- and Circuit-Level Optimization of RES-Based Power-Supply Systems for the Nodes of Wireless Sensor Networks",
    IEEE Transactions on Industrial Informatics, vol. 14, no. 2, pp. 598-607, 2018.
  31. E. Koutroulis, Y. Yang, F. Blaabjerg,
    "Co-Design of the PV array and DC/AC inverter for maximizing the energy production in grid-connected applications",
    IEEE Transactions on Energy Conversion, vol. 34, no. 1, pp. 509-519, 2019.
  32. E. Koutroulis, N. Sason, V. Georgiadis,
    "Combined tracking of the maximum power and maximum efficiency operating points for real-time maximization of the energy production of PV systems",
    IEEE Transactions on Power Electronics, vol. 34, no. 9, pp. 8634-8645, 2019.
  33. C. Kalogerakis, E. Koutroulis and M. G. Lagoudakis,
    "Global MPPT Based on Machine-Learning for PV Arrays Operating under Partial Shading Conditions",
    Applied Sciences, vol. 10, no. 2, pp. 1-19, 2020.
  34. A. Malisovas, E. Koutroulis,
    "Design Optimization of RES-Based Desalination Systems Cooperating With Smart Grids",
    accepted for publication at the IEEE Systems journal, doi: 10.1109/JSYST.2020.2968842.
  35. P. Ailliot, M. Boutigny, E. Koutroulis, A. Malisovas, V. Monbet,
    "Stochastic weather generator for the design and reliability evaluation of desalination systems with Renewable Energy Sources",
    Renewable Energy, Vol. 158, pp. 541-553, 2020.

Chapters in Books: