Curriculum Vitae

Thomas Tsovilis

Associate Professor, School of Electrical and Computer Engineering

Personal Information

- 2310995859
tsovilis@ece.auth.gr
https://ece.auth.gr/en/staff/thomas-tsovilis/
Scopus ID24466675900
Google Scholar IDshttps://scholar.google.gr/citations?user=67XAwn4AAAAJ&hl=en, https
https://orcid.org/0000-0001-8701-8761
Γνωστικό Αντικείμενο:
Υψηλές Τάσεις με έμφαση στην προστασία έναντι υπερτάσεων
Επιστημονική Ειδίκευση: Ηλεκτρισμός και ενέργεια

Course Work

Courses of Winter semester of 2024–25 academic year

	SCHOOL OF ELECTRICAL AND COMPUTER ENGINEERING
040	High Voltage Engineering I
108	Insulation Coordination - Protection against Overvoltages
ΕΝ1104	High Voltage Engineering IV

Courses of Spring semester of 2024–25 academic year

	SCHOOL OF ELECTRICAL AND COMPUTER ENGINEERING
070	High Voltage Engineering II
071	Lightning Protection and Earthing Systems
ΕΝ1004	High Voltage Engineering II
ΕΝ1205	High Voltage Engineering III

Theses Supervised

Student Theses within AUTh

In progress

Doctoral

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2024–2025

Undergraduate

Estimation of lightning flashover rate of overhead transmission lines using Monte Carlo: Code development in Python
Analysis of lightning overvoltages in residential EV charging stations using ATP-EMTP simulation software
Dimensioning of sheath voltage limiters for shielding of high voltage cables against lightning-related stress
Modelling of the transient behavior of sheath voltage limiters under impulse currents
Modeling and dimensioning of sheath voltage limiters
Generation of 8/20 μs impulse currents: Simulations and Experiments
Coordination of surge protective devices installed in DC power systems

2023–2024

Undergraduate

Computation of impinging overvoltages due to negative lightning strikes to incoming medium voltage line with the aid of ATP-EMTP
Development of an android application for thunderstorm early warning system
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Computation of impinging overvoltages on an electric vehicle charging station due to positive lightning strikes to incoming medium voltage line with the aid of ATP-EMTP

Doctoral

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2022–2023

Undergraduate

Modeling of Electric Vehicle Charging Stations and Simulations of Overvoltages due to Lightning Strikes
Estimation of the minimum backflashover current of overhead transmission lines with the aid of ATP-EMTP simulations with emphasis given to the effect of lightning current waveform parameters
Investigation of the potential use of supercapacitors in surge protection schemes
Generation and measurement of 10/350 μs impulse currents at the High Voltage Laboratory of the Aristotle University of Thessaloniki
Energy Coordination of 230V Varistor-Based Surge Protective Devices
Thermal response of varistors under overloading conditions for low frequency overvoltages

2021–2022

Undergraduate

High Voltage Engineering (3D reconstruction and geometrical characteristics of spark discharges).
MATLAB code development for the automatic execution of multiple simulations with the ATP-EMTP software with emphasis on the estimation of lightning surges in power transmission lines
Literature review and comparative analysis of lightning activity parameters
MATLAB code development for the automatic execution of multiple simulations with the ATP-EMTP software with emphasis on the estimation of lightning surges in power transmission lines
Thermal response of varistors under overloading conditions for low frequency overvoltages
Generation of 10/350 μs impulse currents: ATP-EMTP simulations and construction of basic generator components
High Voltage Engineering (Generation of 10/350 μs impulse currents: ATP-EMTP simulations and construction of basic generator components).
Effects of solar storms to power and telecom grids: Preliminary results based on literature review
High Voltage Engineering (Generation of 10/350 μs impulse currents: ATP-EMTP simulations and construction of basic generator components).
High Voltages Engineering (Development of long duration impulse current generator).
High Voltage Engineering (Experimental investigation of the response time of gapped surge protective devices).
High Voltage Engineering (Development of long duration impulse current generator).

2020–2021

Undergraduate

High Voltage Engineering (Software development for the estimation of fractal dimension of electrical discharges: Box counting and Correlation function methods).
High Voltage Engineering (Software development for the estimation of fractal dimension of electrical discharges: Sandbox method).
High Voltage Engineering (Software development for the estimation of the parameters of double exponential functions to simulate lightning overvoltages).
High Voltage Engineering (Modeling of electric vehicle charging stations: Preliminary simulation results on lightning-related overvoltages).
High Voltage Engineering (Modeling of electric vehicle charging stations: Preliminary simulation results on lightning-related overvoltages).
High Voltage Engineering (Generation of rectangular impulse currents: ATP-EMTP simulations).
High Voltage Engineering (Lightning performance of 132 kV double circuit transmission lines: Energy stress of installed surge arresters).
High Voltage Engineering (Energy stress of line surge arresters due to lightning strikes to a 150 kV double-circuit overhead transmission lines: ATP-EMTP simulations)
High Voltage Engineering (Lightning-related energy stress of non-gapped and externally gaped surge arresters installed to 150 kV double circuit lines).
High Voltage Engineering (Energy stress of line surge arresters due to positive lightning strikes to 150 kV overhead transmission line).
High Voltage Engineering (Stochastic model for the simulation of electrical discharges: Investigation of methods for source code optimization).
High Voltage Engineering (Energy stress of line surge arresters due to lightning strikes to a 400 kV double-circuit overhead transmission line).
High Voltage Engineering (Energy stress to non-gapped and externally gaped surge arresters installed to 150 kV double circuit lines).

2019–2020

Undergraduate

High Voltage Engineering (Estimation of the surface dielectric breakdown voltage of medium voltage insulators with the aid of ATP-EMTP).
High Voltage Engineering (Energy stress of line surge arresters due to lightning strikes to an 150 kV double-circuit overhead transmission line).
High Voltage Engineering (Effects of lightning channel equivalent impedance on the minimum current causing flashover of overhead transmission lines insulation).
High Voltage Engineering (Fractal-based simulation of lightning attachment to overhead lines).
High Voltage Engineering (Design and construction of mobile impulse current generator).
High Voltage Engineering (Design and construction of a mobile impulse current generator).

2018–2019

Undergraduate

High Voltage Engineering (High frequency modeling of high voltage elements of the High Voltage Laboratory of Aristotle University of Thessaloniki).
High Voltage Engineering (Estimation of minimum backflashover current of overhead transmission lines through ATP-EMTP simulations).
High Voltage Engineering (Estimation of minimum backflashover current: Effect of the lighting stroke location along transmission line span).

Administrative Work

Τμήματος
#	Από	Έως	Θέση Όργανο / Επιτροπή
3	2023		Director, Τομέας Ηλεκτρικής Ενέργειας
2	2022		Coordinator, Επιτροπή μέσων κοινωνικής δικτύωσης
1	2018	2022	Member, Επιτροπή φοιτητικών ζητημάτων, συμβούλων φοιτητών και διασύνδεσης με αποφοίτους ΤΗΜΜΥ

Research Projects

Coordinator
2025–2026	Advanced deisgn of lightning protection systems for cultural heritage monuments
2025–2026	Lighnintg-related stress to components of insulated lightning protection systems
2024–2025	Impulse current tests of 10/350 μs waveform
2024–2026	Voltage distribution along insulated down conductors employed in lightning protection systmes
2024–2024	Insulation coordination of high voltage substations
2024–2025	Evaluation of the lightning performance of isolated lightning protection systems
2023–2024	Computation of transient overvoltages to the sheath of 150 kV cables and dimensioning of sheath voltage limiters
2023–2024	Invesigation of the surge protection of high voltage cables via sheath voltage limiters
2023–2024	Liquid-based Surge Arrester
2022–2026	Surge protection of low voltage power systems
2022–2024	Lightning protection of cultural heritage monuments based on advanced simulation techniques
2022–2023	Analysis of the transient overvoltage stress of insulated down-conductors employed in isolated lightning protection systems
2022–2024	Surge protection of electric car charging stations
2022–2025	Funding of research and educational infrastructure and activities of the Electricity Sector
2022–2022	Lightning Protection System Design for the Church of St. Demetrios
2022–2022	Evaluation of required electrical tests to components for isolated lightning protection systems
2022–2022	Lightning Protection System Design for Archeological Sites: Literature Review
2021–2026	Dissemination of research results in High Voltage Engineering
2021–2021	Lightning Protection System Design for the Archeological Site of Acropolis
2020–2021	Computation of overvoltages and surge currents due to direct and inidirect lightning strikes to photovoltaic parks
2020–2020	Calculation of overvoltages and dimencioning of protection against voltage surge in photovoltaic parks
2020–2021	Fractal-based simulations for estimating the lightning performance of transmission lines
2019–2020	Fractal-based approach for direct-stroke shielding of substations against lightning

Participant
2024–2024	Withstand tests on power cable link boxes
2024–2024	Grounding system analysis for the open cycle gas power station Millbrook Power Limited (MPL)
2024–2024	Grounding system analysis for the open cycle gas power station Hirwaun Power Limited (HPL)
2023–2024	Withstand impulse voltage tests of protection devices
2023–2024	Consulting services for the project "Line surge arresters for the 150 kV transmission system of Rhodes".
2023–2024	Grounding system analysis for the open cycle gas power station Progress Power Limited (PPL)
2023–2025	Preventive maintenance of the electrical equipment of the R&D department of RAYCAP
2023–2025
2022–2022	High voltage withstand tests on Sheath Voltage Limiters
2022–2023	Insulation coordination study for the Koumoundourou 400 kV Substation
2022–2025	Insulation coordination study for the 400 kV GIS substation of "Aluminium de Grece"
2022–2022	Insulation coordination study for the Fier and Elbasan 3 substations
2021–2021	Tower ground resistance measurement of the 150 kV transmission system of Rhodes
2021–2021	High voltage testing of protective devices against surge currents
2020–2021	Technical specifications for line surge arresters for the 150 kV overhead lines of Rhodes
2020–2021	Insulation coordination study for the 400/150 kV GIS Substation at Korinthos.
2020–2020	Lightning impulse voltage withstand tests on protective devices against surge currents
2020–2022	Insulation coordination study for Ag. Nikolaos 400 kV Substation
2019–2020	Improving the lighting performance of the 150kV overhead lines of Rhodes
2019–2019	Impulse voltage withstand tests on surge protective devices
2018–2018	Impulse voltage and current tests on a surge protecyive devices
2018–2019	Insulation coordination study for the energy project "GHANA BRIDGE phase 1 (5 x GTs LM2500, GT8) & phase 2 (phase 1 plus 1 x ST)"
2018–2023	Development of commercial software simulating Partial Discharges for the optimum design and production of medium and high voltage industrial applications
2014–2025
2010–2011	Insulation coordination study for the 150kV GIS substation and the power plant at Korinthos
2009–2009	Protection of distribution transformers against overvoltages due to lightning surges.
2009–2010	Insulation coordination study for the Ilarion Power Plant
2008–2009	Electrical engineering Services / GIS 400kV/150kV substation at Aliveri
2008–2009	Insulation coordination study- Aluminium de Greece S.A.I.C
2008–2009	Electrical engineering consulting services for the ALIVERI Thermal Pwer Plant 416.95 MW
2008–2009	Εlectrical Engineering Consulting Services - Ag.Nikolaos Power Plant 430 MW
2006–2010	Distinction funds from Aristotle University's Research Committee
2006–2008	Student's practical training in the Electricians Engeneering & Computers Engeneering Department
2003–2008	Enhancement of the undergraduate curriculum of the Electrical and Computer Engineering Department at the Aristotle University of Thessaloniki