Ancillary Service in Active Distribution Systems from Renewable Energy Sources

Konstantinos Oureilidis is Assistant Professor at University of Western Macedonia (UOWM), Department of Electrical & Computer Engineering. He received his Diploma (2008) and PhD degrees (2015) in Electrical and Computer Engineering from the Aristotle University of Thessaloniki (AUTH) and his Bachelor degree in Business Administration from the University of Macedonia, Thessaloniki (2015). During his post-doc research, he received funds from IKY Fellowship of Excellence. From 2008, he works as a freelancer engineer conducting energy projects, technical and economic reports for investment laws and as an inspector in photovoltaic projects. During 2016-2017 and 2020-2022, he worked as Adjunct Lecturer in AUTH and UOWM teaching the courses of Power Electronics and Electric Motion Systems. During 2017-2022, he worked in Hellenic Energy Exchanges, as a Special Scientist and Head of Markets Support at Markets Operation. His fields of interest include microgrids, control of power electronics, distributed generation and energy and balancing markets. I am an existing Elsevier book chapter author. Charis Demoulias received the Dipl. and Ph.D. degrees in electrical engineering from the AUTH, in 1984 and 1991, respectively. Currently he is Professor with the Electrical Machines Laboratory, Department of Electrical and Computer Engineering, AUTH. From 1991 to 2003 he co-founded Alteren SA, a technical consulting company offering consul-tancy services in private and public energy-saving and renewable energy projects. From 1997-2003 he also acted as contractor for power quality projects (harmonic filters), industrial energy-saving projects and PV installations (stand-alone and grid-connected). His research interests include power electronics, harmonics, electric motion systems, and the integration of renewable energy sources in the power grid. He has more than 70 publications in the fields of renewable energy sources, power quality and microgrids. He has participated as coordinator or partner in seven EU-funded projects and six national projects. Since 2011 he has been evaluator and reviewer of 25 EU-funded projects. He is senior member of IEEE and mem-ber of the Technical Chamber of Greece. Nefeli-Kyriaki Malamaki received the Diploma and Ph.D. degree in Electrical and Computer Engineering from the Department of Electrical and Computer Engineering (DECE) at Aristotle University of Thessaloniki (AUTH), in 2012 and 2020, respectively. Currently, she is a post-doctoral researcher at the same Department and works as a freelance researcher in European-funded projects for the Greek TSO, Independent Power Transmission Operator. From 2021 till 2022, she was an adjunct Lecturer at the DECE of AUTH. She has a 6-year experience as a researcher in EU (H2020) and national research projects. Her research interests include distributed generation and storage, power quality, interface of renewable energy sources with the grid, power electronic converters control and energy storage systems integration within the smart grid context. She has more than 25 publications in the above fields. She was a scholar of the Research Committee of the AUTH (2014-2015) for doctoral studies. Finally, she is a member of IEEE and of the Technical Chamber of Greece. Georgios C. Kryonidis received his Diploma and PhD degrees in Electrical and Computer Engineering from Aristotle University of Thessaloniki in 2013 and 2018, respectively. Currently, he is a Post-Doctoral Researcher at the same University and works as a Coordination Engineer at Southeast Electricity Network Coordination Center. From 2018 till 2021, he was an adjunct Lecturer at the Department of Electrical and Computer Engineering at the University of Western Macedonia and Aristotle University of Thessaloniki. He has a 9-year experience as a researcher in EU and national research projects (HFRI, FP7, H2020, Interreg-Med). His research interests include distributed generation and storage, renewable energy sources, microgrids, and smart grids operation and control. He has 61 publications in the above fields. He was a scholar of the Research Committee of the Aristotle University of Thessaloniki (2016-2017) and of the Greek State Scholarships Foundation (2017-2018, 2019-2021) for doctoral and post-doctoral studies. Finally, he is a member of IEEE and of the Technical Chamber of Greece. Eleftherios O. Kontis received his Diploma and PhD degrees in Electrical and Computer Engineering from the School of Electrical and Computer Engineering, Aristotle University of Thessaloniki, Thessaloniki, Greece, in 2013 and 2018, respectively. He is currently a Research Associate with the Aristotle University of Thessaloniki and an Adjunct Lecturer with the International Hellenic University, Thessaloniki, Greece. He also works as a Coordination Engineer with the Southeast Electricity Network Coordination Center. He has a nine-year’s experience as a Researcher at EU Research Projects (FP7, H2020, Interreg-Med). During his doctoral and post-doc research, he received funding from the Greek State Scholarship Foundation. His research interests include power system modeling and dynamic analysis, distributed generation, operation and control of active distribution networks, and real-time analysis of power systems through field measurements. Spyros I. Gkavanoudis received his Diploma and PhD degrees in Electrical and Computer Engineering from Aristotle University of Thessaloniki in 2008 and 2014, respectively. Currently, he is a Post-Doctoral Researcher at the same University and works for the Greek DSO (HEDNO). From 2009 till 2022, he was an adjunct Lecturer at the Department of Electrical and Computer Engineering at the Aristotle University of Thessaloniki and University of Thessaly. He has a 6-year experience as a researcher in EU (H2020) projects. His primary research activities lie in the fields of power electronic converters, wind energy conversion systems, modeling and contol of electrcal machines, energy storage systems and protection of distribution grids. He has more than 20 publications in the above fields. He was a scholar of Bodossakis foundation (2008-2014) and of the Greek State Scholarships Foundation (2016-2017) for doctoral and post-doctoral studies. Finally, he is a member of IEEE and of the Technical Chamber of Greece.

1. Introduction Part I – Frequency-based Ancillary Services 2. Inertia 3. Primary Frequency control 4. (High- and low-frequency) Power smoothing Part II – Non-frequency Ancillary Services 5. Voltage regulation (incl. unbalance mitigation) 6. Congestion management Part III – Emerging Ancillary Services 7. Harmonic mitigation 8:.Fault contribution Part IV – Pathway from system support functions to Ancillary Services 9. ICT and cybersecurity 10. Cost-functions & business models 11. Digital twins