Eleftherios O. Kontis

Research Fellow, School of Electrical and Computer Engineering, Aristotle University of Thessaloniki

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Eleftherios O. Kontis was born in Thessaloniki, Greece, on August 2, 1988. In 2007, he started his studies at the School of Electrical and Computer Engineering of the Aristotle University of Thessaloniki. He received his diploma with GPA 8.09/10 on November, 2013. In 2018, he received his Ph.D. degree from the School of Electrical and Computer Engineering of the Aristotle University of Thessaloniki (Dissertation title: Measurement-based reduced order dynamic equivalent models for smart-grid analysis). During his Ph.D. studies, he was a scholar of the Greek State Scholarships Foundation (2017 – 2018).

Since 2018, he has been a research fellow at the Power Systems Laboratory of the School of Electrical and Computer Engineering at the Aristotle University of Thessaloniki. Moreover, he is a scholar of the Greek State Scholarships Foundation for post-doctoral research entitled as “Real-time assessment of the stability and the dynamic behavior of modern power systems” 

He is a member of the Technical Chamber of Greece and IEEE.

Research Interests

  • Power systems stability and dynamics.
  • Modeling and analysis of active distribution networks and smart grids.
  • Real-time analysis and control of power systems through field measurements.
  • Control and optimal operation of distributed renewable energy sources.

Publications in international scientific journals

18 results
[18]A. I. Nousdilis, G. C. Kryonidis, E. O. Kontis, G. C. Christoforidis and G. K. Papagiannis, "An Exponential Droop Control Strategy for Distributed Energy Storage Systems Integrated with Photovoltaics", IEEE Transactions on Power Systems. [bibtex] [pdf] [doi]
[17]G. C. Kryonidis, K. D. Malamaki, S. I. Gkavanoudis, K. O. Oureilidis, E. O. Kontis, J. M. M. Mauricio, J. M. Maza-Ortega, C. S. Demoulias, "Distributed Reactive Power Control Scheme for the Voltage Regulation of Unbalanced LV Grids", IEEE Transactions on Sustainable Energy. [bibtex] [pdf] [doi]
2020
[16]G. A. Barzegkar-Ntovom, T. A. Papadopoulos and E. O. Kontis, "Robust Framework for Online Parameter Estimation of Dynamic Equivalent Models using Measurements", IEEE Transactions on Power Systems, article in press 2020. [bibtex] [pdf] [doi]
[15]A. R. D. Nozal, E. O. Kontis, J. M. Mauricio and C. S. Demoulias, "Provision of inertial response as ancillary service from active distribution networks to the transmission system", IET Generation Transmission and Distribution, vol. 14, Nov. 2020, pp. 5123 - 5134. [bibtex] [pdf]
[14]S. I. Gkavanoudis, D. Tampakis, K. D. Malamaki, G. C. Kryonidis, E. O. Kontis, K. O. Oureilidis, J. M. Maza-Ortega, C. S. Demoulias, "Protection Philosophy in Low Short-Circuit Capacity Distribution Grids with High Penetration of Converter-Interfaced Distributed Renewable Energy Sources", IET Generation Transmission and Distribution, vol. 14, Nov. 2020, pp. 4978-4988. [bibtex] [pdf]
[13]C. S. Demoulias, K. Malamaki, S. Gkavanoudis, J. M. Mauricio, G. C. Kryonidis, K. O. Oureilidis, E. O. Kontis, J. L. M. Ramos, "Ancillary Services Offered by Distributed Renewable Energy Sources at the Distribution Grid Level, An Attempt at Proper Definition and Quantification", Applied Sciences, vol. 10, 2020. [bibtex] [pdf] [doi]
[12]G. C. Barzegkar-Ntovom, N. G. Chatzigeorgiou, A. I. Nousdilis, S. A. Vomva, G. C. Kryonidis, E. O. Kontis, G. E. Georghiou, G. C. Christoforidis, G. K. Papagiannis, "Assessing the Viability of Battery Energy Storage Systems Coupled with Photovoltaics Under a Pure Self-Consumption Scheme", Renewable Energy, vol. 152, 2020, pp. 1302-1309. [bibtex] [pdf] [doi]
[11]A. I. Nousdilis, G. C. Kryonidis, E. O. Kontis, G. A. Barzegkar-Ntovom, I. Panapakidis, G. C. Christoforidis, G. K. Papagiannis, "Impact of Policy Incentives on the Promotion of Integrated PV and Battery Storage Systems – A Techno-economic Assessment", IET Renewable Power Generation, vol. 14, no. 7, 2020, pp. 1174-1183. [bibtex] [pdf] [doi]
2019
[10]E. O. Kontis, T. A. Papadopoulos, M. H. Syed, E. Guillo-Sansano, G. M. Burt and G. K. Papagiannis, "Artificial-Intelligence Method for the Derivation of Generic Aggregated Dynamic Equivalent Models", IEEE Transactions on Power Systems, vol. 34, no. 4, Jul. 2019, pp. 2947-2956. [bibtex] [pdf] [doi]
[9]E. O. Kontis, G. C. Kryonidis, A. I. Nousdilis, K. Malamaki and G. K. Papagiannis, "A Two-layer Control Strategy for Voltage Regulation of Active Unbalanced LV Distribution Networks", International Journal of Electrical Power and Energy Systems, vol. 111, Oct. 2019, pp. 216-230. [bibtex] [pdf] [doi]
[8]E. O. Kontis, G. A. Barzegkar-Ntovom, K. A. Staios, T. A. Papadopoulos and G. K. Papagiannis, "A Toolbox for Analyzing and Testing Mode Identification Techniques and Network Equivalent Models", Energies, vol. 13, no. 12, Jul. 2019 ([Toolbox]). [bibtex] [pdf] [doi]
2018
[7]E. O. Kontis, T. A. Papadopoulos, A. I. Chrysochos and G. K. Papagiannis, "On the Applicability of Exponential Recovery Models for the Simulation of Active Distribution Networks", IEEE Transactions on Power Delivery, vol. 33, no. 6, Dec 2018, pp. 3220-3222. [bibtex] [pdf] [doi]
[6]E. O. Kontis, T. A. Papadopoulos, A. I. Chrysochos and G. K. Papagiannis, "Measurement-Based Dynamic Load Modeling Using the Vector Fitting Technique", IEEE Transactions on Power Systems, vol. 33, no. 1, Jan 2018, pp. 338-351. [bibtex] [pdf] [doi]
[5]E. O. Kontis, T. A. Papadopoulos, G. A. Barzegkar-Ntovom, A. I. Chrysochos and G. K. Papagiannis, "Modal Analysis of Active Distribution Networks Using System Identification Techniques", International Journal of Electrical Power and Energy Systems, vol. 100, Sep. 2018, pp. 365-378. [bibtex] [pdf] [doi]
[4]G. C. Kryonidis, E. O. Kontis, A. I. Chrysochos, K. O. Oureilidis, C. S. Demoulias and G. K. Papagiannis, "Power Flow of Islanded AC Microgrids: Revisited", IEEE Transactions on Smart Grid, vol. 9, no. 4, Jul. 2018, pp. 3903-3905 ([Toolbox]). [bibtex] [pdf] [doi]
[3]G. C. Kryonidis, E. O. Kontis, A. I. Chrysochos, C. S. Demoulias and G. K. Papagiannis, "A Coordinated Droop Control Strategy for Overvoltage Mitigation in Active Distribution Networks", IEEE Transactions on Smart Grid, vol. 9, no. 5, Sep. 2018, pp. 5260-5270. [bibtex] [pdf] [doi]
2016
[2]T. A. Papadopoulos, A. I. Chrysochos, E. O. Kontis and G. K. Papagiannis, "Ringdown Analysis of Power Systems Using Vector Fitting", Electric Power System Research, vol. 141, Dec 2016, pp. 100-103. [bibtex] [pdf] [doi]
[1]T. A. Papadopoulos, A. I. Chrysochos, E. O. Kontis, P. N. Papadopoulos and G. K. Papagiannis, "Measurement-Based Hybrid Approach for Ringdown Analysis of Power Systems", IEEE Transactions on Power Systems, vol. 31, no. 6, Nov. 2016, pp. 4435-4446 ([Toolbox]). [bibtex] [pdf] [doi]

Publications in international scientific conferences

23 results
2020
[23]I. D. Pasiopoulou, E. O. Kontis, T. A. Papadopoulos and G. K. Papagiannis, "Effect of load modelling on power systems stability studies", in Med. Conf. Power Gener., Transm., Distrib. Energy Convers. (MedPower 2020), pp. 1-6. [bibtex]
[22]G. C. Kryonidis, G. A. Barzegkar-Ntovom, T. A. Papadopoulos, A. G. Marinopoulos, C. -. Covrig, D. I. Doukas, E. O. Kontis, "A Bottom-up Modelling Approach for Household Power Profiles Using Time-series Measurements", in 2020 55th International Universities Power Engineering Conference (UPEC), pp. 1-6. [bibtex] [doi]
2019
[21]E. O. Kontis, G. C. Kryonidis, A. I. Nousdilis, K. Malamaki and G. K. Papagiannis, "Power Flow of Islanded AC Microgrids", in 2019 IEEE Milano PowerTech, pp. 1-6. [bibtex] [doi]
[20]V. Gjorgievski, A. I. Nousdilis, E. O. Kontis, G. C. Kryonidis, G. A. Barzegkar-Ntovom, S. Cundeva, G. C. Christoforidis, G. K. Papagiannis, "Sizing of Electrical and Thermal Storage Systems in the Nearly Zero Energy Building Environment - A Comparative Assessment", in 2019 1st International Conference on Energy Transition in the Mediterranean Area (SyNERGY MED), pp. 1-6. [bibtex] [doi]
[19]G. A. Barzegkar-Ntovom, E. O. Kontis, G. C. Kryonidis, A. I. Nousdilis, G. K. Papagiannis and G. C. Christoforidis, "Performance Assessment of Electrical Storage on Prosumers via Pilot Case Studies", in 2019 1st International Conference on Energy Transition in the Mediterranean Area (SyNERGY MED), pp. 1-6. [bibtex] [doi]
[18]E. O. Kontis, A. I. Nousdilis, G. K. Papagiannis, M. H. Syed, E. Guillo-Sansano, G. M. Burt, T. A. Papadopoulos, "Power Hardware-in-the-Loop Setup for Developing, Analyzing and Testing Mode Identification Techniques and Dynamic Equivalent Models", in 2019 IEEE Milan PowerTech, pp. 1-6. [bibtex] [doi]
[17]M. H. Syed, E. Guillo-Sansano, E. O. Kontis, S. M. Blair, Y. Xu and G. M. Burt, "Data Driven Approach to Decentralized Control: A Primary Frequency Control Study", in 25th International Conference and Exhibition on Electricity Distribution CIRED, 2019, pp. 1-6. [bibtex] [doi]
2018
[16]A. I. Nousdilis, G. C. Kryonidis, E. O. Kontis, G. K. Papagiannis, G. C. Christoforidis, A. S. Bouhouras, G. Georghiou, S. Afxentis, I. Papageorgiou, S. Veleva, M. Kacarska, V. Glamocanin, P. Kisyov, "Enhancing Storage Integration in Buildings With Photovoltaics (PV-ESTIA project)", in 2018 IEEE International Energy Conference (ENERGYCON), pp. 1-5. [bibtex] [doi]
[15]A. I. Nousdilis, A. A. Nikolaou, E. O. Kontis, G. C. Kryonidis, G. C. Christoforidis and G. K. Papagiannis, "A Sizing Method for Decentralized Energy Storage Systems Operating Under a Peak Shaving Control Strategy", in 2018 53rd International Universities Power Engineering Conference (UPEC), pp. 1-6. [bibtex] [doi]
[14]A. I. Nousdilis, E. O. Kontis, G. C. Kryonidis, G. C. Christoforidis and G. K. Papagiannis, "Economic Assessment of Lithium-Ion Battery Storage Systems in the Nearly Zero Energy Building Environment", in 2018 20th International Symposium on Electrical Apparatus and Technologies (SIELA), pp. 1-6. [bibtex] [doi]
[13]A. I. Nousdilis, G. C. Kryonidis, E. O. Kontis, G. K. Papagiannis, G. C. Christoforidis and I. P. Panapakidis, "Economic Viability of Residential PV Systems with Battery Energy Storage Under Different Incentive Schemes", in 2018 IEEE International Conference on Environment and Electrical Engineering and 2018 IEEE Industrial and Commercial Power Systems Europe (EEEIC / I&CPS Europe), pp. 1-6. [bibtex] [doi]
2017
[12]E. O. Kontis, I. S. Skondrianos, T. A. Papadopoulos, A. I. Chrysochos and G. K. Papagiannis, "Generic Dynamic Load Models Using Artificial Neural Networks", in 2017 52nd International Universities Power Engineering Conference (UPEC), pp. 1-6. [bibtex] [doi]
[11]E. O. Kontis, G. K. Papagiannis, M. H. Syed, E. Guillo-Sansano, G. M. Burt, T. A. Papadopoulos, A. I. Chrysochos, "Development of Measurement-based Load Models for the Dynamic Simulation of Distribution Grids", in 2017 IEEE PES Innovative Smart Grid Technologies Conference Europe (ISGT-Europe), pp. 1-6. [bibtex] [doi]
[10]E. O. Kontis, S. P. Dimitrakopoulos, A. I. Chrysochos, G. K. Papagiannis and T. A. Papadopoulos, "Dynamic Equivalencing of Active Distribution Grids", in 2017 IEEE Manchester PowerTech, pp. 1-6. [bibtex] [doi]
2016
[9]E. O. Kontis, G. C. Kryonidis, A. I. Chrysochos, C. S. Demoulias and G. K. Papagiannis, "Effect of Load Modelling in Coordinated Active Power Curtailment of Distributed Renewable Energy Sources", in Mediterranean Conference on Power Generation, Transmission, Distribution and Energy Conversion (MedPower 2016), pp. 1-8. [bibtex] [doi]
[8]E. O. Kontis, G. C. Kryonidis, A. I. Chrysochos, C. S. Demoulias and G. K. Papagiannis, "Long-term Evaluation of DRES Penetration in LV Networks Using Droop control Techniques", in 2016 IEEE PES Innov. Smart Grid Techn. Conf. Europe (ISGT-Europe), pp. 1-6. [bibtex] [doi]
[7]G. C. Kryonidis, E. O. Kontis, A. I. Chrysochos, C. S. Demoulias and G. K. Papagiannis, "Coordinated Phase-based Voltage Regulation in Active Unbalanced LV Distribution Networks", in 2016 51st International Universities Power Engineering Conference (UPEC), pp. 1-6. [bibtex] [doi]
[6]E. O. Kontis, A. I. Chrysochos, G. K. Papagiannis and T. A. Papadopoulos, "Modeling of Nonlinear Dynamic Power System Loads Using the Vector Fitting Technique", in 2016 51st International Universities Power Engineering Conference (UPEC), pp. 1-6. [bibtex] [doi]
2015
[5]G. C. Kryonidis, E. O. Kontis, A. I. Chrysochos, C. S. Demoulias, D. Bozalakov, B. Meersman, T. L. Vandoorn, L. Vandevelde, "A Simulation Tool for Extended Distribution Grids With Controlled Distributed Generation", in 2015 IEEE Eindhoven PowerTech, pp. 1-6. [bibtex] [doi]
[4]E. O. Kontis, A. I. Chrysochos, G. K. Papagiannis and T. A. Papadopoulos, "Development of Measurement-based Generic Load Models for Dynamic Simulations", in 2015 IEEE Eindhoven PowerTech, pp. 1-6. [bibtex] [doi]
[3]T. A. Papadopoulos, A. I. Chrysochos, E. O. Kontis and G. K. Papagiannis, "Identification of Oscillatory Modes in Power System Responses via Vector Fitting", in International Conference on Power Systems Transients, 2015, pp. 1-7. [bibtex] [doi]
2014
[2]T. A. Papadopoulos, E. O. Kontis, P. N. Papadopoulos and G. K. Papagiannis, "System identification techniques for power systems analysis using distorted data", in Mediterranean Conference on Power Generation, Transmission, Distribution and Energy Conversion (MedPower 2014), pp. 1-7. [bibtex] [doi]
[1]E. O. Kontis, K. S. Dimos, T. A. Papadopoulos, P. N. Papadopoulos and G. K. Papagiannis, "Comparison of Static and Dynamic Calculations of Short Circuit Currents in Distributed Generation Networks", in 2014 49th International Universities Power Engineering Conference (UPEC), pp. 1-6. [bibtex] [doi]

Funded Research Projects

P8. 2019 – Present: Participation in the national project “Ancillary services in active distribution networks based on monitoring and control techniques“, Project No. 82415, Scient. Coord. Asst. Prof. DUTH T. Papadopoulos.

P7. 2019: Participation in the European project “Development of measurement-based software tool for smart neighbourhoods”, Scient. Coord. Asst. Prof. DUTH T. Papadopoulos.

P6. 2018 – Present: Participation in the European project “Enable ancillary services by renewable energy sources” , Scient. Coord. Assoc. Prof. AUTh C. Demoulias.

P5. 2018 – 2019: Participation in the national project “Advanded co-simulation techniques for smart grids”, Scient. Coord. Prof. AUTh G. Papagiannis.

P4. 2017 – 2018: Participation in the European project “Enhancing storage integration in buildings with photovoltaics – PV-ESTIA“, Scient. Coord. Prof. AUTh G. Papagiannis.

P3. 2017 – 2018: Participation in the European project “Promotion of higher penetration of distributed PV through storage for all – StoRES“, Scient. Coord. Prof. AUTh G. Papagiannis.

P2. 2014 – 2018: Participation in the national project “Development of services and infrastructure to support teaching and research activities in the Department of Electrical and Computer Engineering”, Project No. 87996, Scient. Coord. Prof. AUTh G. Chasapis.

P1. 2014 – 2016: Participation in the European project “Increasing the penetration of renewable energy sources in the distribution grid by developing control strategies and ancillary services – INCREASE“, Project No. 89123, Scient. Coord. Prof. AUTh G. Papagiannis.

Funded Industrial Projects

IP1. 2019: Participation in the project “Investigation of sheath cross-bonding in medium-voltage cable interconnections of onshore wind parks – Phase B”, Scient. Coord. Asst. Prof. T. Papadopoulos.

IP2. 2019: Participation in the project “Investigation of sheath cross-bonding in medium-voltage cable interconnections of onshore wind parks – Phase A”, Scient. Coord. Asst. Prof. T. Papadopoulos.

IP3. 2018: Participation in the project “Investigation of power losses in internal electric grids of wind parks”, Scient. Coord. Asst. Prof. T. Papadopoulos.