ΒΙΟΓΡΑΦΙΚΟ ΣΗΜΕΙΩΜΑ Κωνσταντίνου Δ. Βουρνά Καθηγητή ΕΜΠ Σχολή Ηλεκτρολόγων Μηχανικών και Μηχανικών Υπολογιστών Τομέας Ηλεκτρικής Ισχύος

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1 ΒΙΟΓΡΑΦΙΚΟ ΣΗΜΕΙΩΜΑ Κωνσταντίνου Δ. Βουρνά Καθηγητή ΕΜΠ Σχολή Ηλεκτρολόγων Μηχανικών και Μηχανικών Υπολογιστών Τομέας Ηλεκτρικής Ισχύος ΒΙΟΓΡΑΦΙΚΑ ΣΤΟΙΧΕΙΑ Διεύθυνση: Τηλέφωνο: Νευροκοπίου 15, Παπάγου (ΕΜΠ) (κατοικίας) Ημερομηνία γεννήσεως: 2 Μαρτίου 1952 Τόπος γεννήσεως: Πάτρα Οικογενειακή κατάσταση: Παντρεμένος με τη Μαλβίνα Πέτρου Παπαδάκη ΤΙΤΛΟΙ ΣΠΟΥΔΩΝ 1975 Δίπλωμα Ηλεκτρολόγου-Μηχανολόγου Μηχανικού ΕΜΠ Master of Science (M.Sc.), Department of Electrical Engineering, University of Saskatchewan, Καναδά Διδάκτωρ Μηχανικός ΕΜΠ, Τμήμα Ηλεκτρολόγων Μηχανικών. ΕΠΑΓΓΕΛΜΑΤΙΚΗ ΕΜΠΕΙΡΙΑ Από το 1976 έχει εργασθεί σαν ελεύθερος επαγγελματίας μηχανικός, εκπονώντας μελέτες κτηριακών ηλεκτρομηχανολογικών εγκαταστάσεων. Έχει λάβει μέρος επίσης στην πολεοδομική μελέτη (ΕΠΑ) της περιοχής Λιδορικίου-Ευπαλίου Φωκίδος. Η ακαδημαϊκή του απασχόληση υπήρξε η ακόλουθη: Ερευνητής με σύμβαση έργου στην Έδρα Συστημάτων Ηλεκτρικής Ενέργειας του ΕΜΠ. Παράλληλα εργάστηκε σαν Ωρομίσθιος Καθηγητής Εργαστηρίου στα ΚΑΤΕΕ Αθηνών (νυν ΤΕΙ) Επιστημονικός Συνεργάτης στον Τομέα Ηλεκτρικής Ισχύος, Τμήμα Ηλεκτρολόγων Μηχανικών και Μηχανικών Υπολογιστών του ΕΜΠ Λέκτορας στον Τομέα Ηλεκτρικής Ισχύος, Τμήμα Ηλεκτρολόγων Μηχανικών και Μηχανικών Υπολογιστών του ΕΜΠ Επίκουρος Καθηγητής στον Τομέα Ηλεκτρικής Ισχύος, Τμήμα Ηλεκτρολόγων Μηχανικών και Μηχανικών Υπολογιστών ΕΜΠ Visiting Associate Professor στο Department of Electrical and Computer Engineering, University of Illinois at Urbana-Champaign. Εκπαιδευτική άδεια από το ΕΜΠ Αναπληρωτής Καθηγητής στον Τομέα Ηλεκτρικής Ισχύος, Τμήμα Ηλεκτρολόγων Μηχανικών και Μηχανικών Υπολογιστών ΕΜΠ Καθηγητής στον Τομέα Ηλεκτρικής Ισχύος, Σχολή Ηλεκτρολόγων Μηχανικών και Μηχανικών Υπολογιστών ΕΜΠ.

2 ΕΡΕΥΝΗΤΙΚΑ ΠΡΟΓΡΑΜΜΑΤΑ Επιστημονικός υπεύθυνος στα ακόλουθα ερευνητικά προγράμματα: 1. Μέθοδοι ανάλυσης Ευστάθειας Τάσεως και μέτρα για την αποφυγή φαινομένων κατάρρευσης σε Συστήματα Ηλεκτρικής Ενέργειας, χρηματοδότηση ΓΓΕΤ, πρόγραμμα ΠΕΝΕΔ 96, , 12 μήνες, Διερεύνηση προβλημάτων χαμηλών τάσεων στο διασυνδεδεμένο δίκτυο της ΔΕΗ, χρηματοδότηση ΔΕΗ/Διεύθυνση Μελετών Συστήματος Παραγωγής- Μεταφοράς, , 12 μήνες, Ανάπτυξη Λογισμικού για την Ανάλυση Ευστάθειας Τάσεως και Εφαρμογή στο Ελληνικό Διασυνδεδεμένο Σύστημα, χρηματοδότηση ΓΓΕΤ και ΔΕΗ (Διεύθυνση Μελετών Συστήματος Παραγωγής-Μεταφοράς), χρηματοδότηση ΓΓΕΤ, πρόγραμμα ΣΥΝ 96, , 14 μήνες, Μελέτες Ανάπτυξης Συστήματος Μεταφοράς κα Διασυνδέσεων, χρηματοδότηση ΔΕΗ/Διεύθυνση Μελετών Συστήματος Παραγωγής-Μεταφοράς, , 12 μήνες, OMASES: Open Market Access and Security Assessment System, χρηματοδότηση στα πλαίσια ευρωπαϊκού προγράμματος Energy, Environment & Sustainable Development, contract no. ENK6-CT , , 30 μήνες, Υπολογισμός Ορίων Μεταφοράς Ηλεκτρικής Ισχύος στο Βαλκανικό Διασυνδεδεμένο Σύστημα, χρηματοδότηση ΓΓΕΤ, πρόγραμμα Ελληνο- Γιουγκοσλαβικής συνεργασίας, , 24 μήνες, Εκτίμηση Ασφάλειας Τάσεως Ελληνικού Διασυνδεδεμένου Συστήματος σε πραγματικό χρόνο (on-line VSA), χρηματοδότηση ΔΕΣΜΗΕ Α.Ε., , 12 μήνες, Μελέτη Μεταβατικών Φαινομένων και Προβλημάτων Τάσεως στο Ελληνικό Σύστημα κατά την αποκοπή σημαντικής ισχύος Παραγωγής στον ΑΗΣ Λαυρίου και προκαταρκτική σχεδίαση συστημάτων αποκοπής φορτίου για την προστασία των διασυνδέσεων από υπερφορτίσεις και την αντιμετώπιση αστάθειας τάσεως στην Αττική, χρηματοδότηση ΔΕΣΜΗΕ Α.Ε., , 18 μήνες, Ανάλυση Ευστάθειας Διασυνδεδεμένου Συστήματος υπό μεγάλη Αιολική Διείσδυση και Αξιολόγηση Μεταβατικής Συμπεριφοράς Ανεμογεννητριών σε βυθίσεις τάσεως, χρηματοδότηση ΔΕΣΜΗΕ Α.Ε., Ανάπτυξη μοντέλων για τη δυναμική προσομοίωση αυτόνομων νησιωτικών συστημάτων με παρουσία μονάδων ΑΠΕ και την εκτίμηση του ορίου ασφαλούς αιολικής διείσδυσης, χρηματοδότηση ΔΕΗ Α.Ε., , 18 μήνες, Ανάπτυξη αλγορίθμων για την αυτόματη παραγωγή σεναρίων ροής φορτίου για διάφορες διεισδύσεις ΑΠΕ, χρηματοδότηση ΚΑΠΕ, 2008, 6 μήνες, Ανάλυση μοντέλων δυναμικής συμπεριφοράς αιολικών πάρκων (Α/Π) στο ελληνικό διασυνδεδεμένο σύστημα ηλεκτρικής ενεργείας, χρηματοδότηση ΔΕΣΜΗΕ ΑΕ, , 8 μήνες, Μελέτες ανάπτυξης συστήματος και ευστάθειας αυτόνομων νησιωτικών συστημάτων με υβριδικούς σταθμούς ΑΠΕ και αντλησιοταμίευση, χρηματοδότηση ΔΕΗ ΑΕ, , 18 μήνες, Παρακολούθηση ευστάθειας τάσεως και μέτρα προστασίας από κατάρρευση στο ελληνικό διασυνδεδεμένο σύστημα, χρηματοδότηση ΔΕΣΜΗ ΑΕ, , 12 μήνες,

3 15. Ανάλυση ασφάλειας συστήματος Κρήτης με ένταξη υβριδικών και Ηλιοθερμικών σταθμών, χρηματοδότηση ΔΕΗ ΑΕ, , 10 μήνες, Integration of TIMES-based Energy System Modelling with Electricity Grid Model, χρηματοδότηση EU, JRC Petten, , 12 Μήνες, ΔΙΔΑΚΤΟΡΙΚΑ Έχει επιβλέψει τα ακόλουθα Διδακτορικά στο ΕΜΠ 1. Γεώργιος Μάνος, «Ανάλυση Φαινομένων Κατάρρευσης Τάσεως σε Συστήματα Ηλεκτρικής Ενέργειας», Βασίλειος Νομικός, «Συστηματική Σχεδίαση Σταθεροποιητών σε Συστήματα με Σύγχρονες και Ασύγχρονες Μηχανές», Μιχαήλ Καρυστιανός, «Βελτιστοποίηση Ορίων Μεταφοράς Ισχύος με συνθήκες Ασφάλειας Τάσεως», Εμμανουήλ Ποταμιανάκης, «Προσομοίωση και γραμμικοποίηση Συστήματος Ηλεκτρικής Ενέργειας για την ανάλυση βραχυπρόθεσμης ευστάθειας τάσης», Δημήτριος Σιμόπουλος, «Βέλτιστος Βραχυπρόθεσμος Προγραμματισμός Παραγωγής Ηλεκτρικής Ενέργειας με τη Μέθοδο Προσομοιωμένης Ανόπτησης», Βασίλειος Νικολαΐδης, «Σχεδίαση Προστασίας Συστήματος Ηλεκτρικής Ενέργειας από Μακροπρόθεσμη Αστάθεια Τάσης», Νίκος Σακελλαρίδης, «Εφαρμογές μη Γραμμικής Δυναμικής στην Ανάλυση Ευστάθειας Τάσης», Γιώργος Τσουράκης, «Συμβολή της Αιολικής Διείσδυσης στην Ευστάθεια των Συστημάτων Ηλεκτρικής Ενέργειας», Ιωάννης Μάντζαρης, «Απλοποιημένο Μοντέλο για τη Μελέτη Διασυνδετικών Ταλαντώσεων και τη Σχεδίαση Σταθεροποιητών σε Μεγάλα Συστήματα Ηλεκτρικής Ενέργειας», Επιβλέπει τους ακόλουθους Υποψήφιους Διδάκτορες στο ΕΜΠ: 1. Ε. Κονταξή, «Μεσοπρόθεσμος Προγραμματισμός Παραγωγής Ηλεκτρικής Ενέργειας σε συνθήκες Απελευθερωμένης Αγοράς». 2. Μ. Κοτλίδα, «Μέθοδοι ελάττωσης πολύ μεγάλων Ηπειρωτικών δικτύων». 3. Α. Μέτσιου, «Δυναμικά ισοδύναμα μεγάλων Ηπειρωτικών διασυνδέσεων» 4. Χ. Λάμπρου, «Ανάπτυξη αποκεντρωμένου συστήματος προστασίας από κατάρρευση τάσεως». 5. Δ. Δημήτροιυλας, «Σχεδιασμός Ανάπτυξης Συστημάτων Μεταφοράς Ηλεκτρικής Ενέργειας» ΕΠΙΣΤΗΜΟΝΙΚΕΣ ΕΡΓΑΣΙΕΣ ΣΕ ΔΙΕΘΝΗ ΠΕΡΙΟΔΙΚΑ 1. J. C. Mantzaris, A. Metsiou and C. D. Vournas, Analysis of Interarea Oscillations including Governor Effects and Stabilizer Design in South-Eastern Europe, IEEE Trans. on Power Systems, Vol. 28, No. 4, Nov. 2013, pp

4 2. N. G. Sakellaridis, M. E. Karystianos, C. D. Vournas, Local and global bifurcations in a small power system, International Journal of Electrical Power and Energy Systems, Vol. 33, No. 7, Sept. 2011, pp C. D. Vournas, J. C. Mantzaris, Application of QSS Modeling to Stabilizer Design for Interarea Oscillations, IEEE Trans. on Power Syst., vol. 25, no. 4, pp , Nov C. C. Skoulidas, C. D. Vournas, G. P. Papavassilopoulos, An Adaptive Learning Game Model for Interacting Electric Power Markets, INFOR, Vol. 48, No. 4, Nov. 2010, pp G. Tsourakis, B. M. Nomikos and C. D. Vournas, Contribution of Doubly-Fed Wind Generators to Oscillation Damping, IEEE Trans. on EC, Vol. 24, pp , Sept N. G. Sakellaridis, M. E. Karystianos, and C. D. Vournas, Homoclinic Loop and Degenerate Hopf Bifurcations Introduced by Load Dynamics, IEEE Trans. on Power Syst., vol. 24, no. 4, pp , Nov G. Tsourakis, B.M. Nomikos, C.D. Vournas, Effect of wind parks with doubly fed asynchronous generators on small-signal stability, Electric Power Systems Research, Vol. 79, no. 1, pp , Jan C. D. Vournas, T. Van Cutsem, Local Identification of Voltage Emergency Situations, IEEE Trans. on Power Systems, Vol. 23, no. 3, pp , Aug V. C. Nikolaidis, C. D. Vournas, Design Strategies for Load-Shedding Schemes against Voltage Collapse in the Hellenic System, IEEE Trans. on Power Systems, Vol. 23, no. 2, pp , May D. N. Simopoulos, S. D. Kavatza, C. D. Vournas, An enhanced peak shaving method for short term hydrothermal scheduling, Energy Conversion and Management, Vol. 48, no. 11, pp , Nov M. E Karystianos, N. G. Maratos, C. D. Vournas, Maximizing Power-System Loadability in the Presence of Multiple Binding Complementarity Constraints, IEEE Trans. on Circuits and Systems I, Vol. 54, pp , Aug J. Mantzaris, C. Vournas, Modelling and Stability of a Single-Shaft Combined Cycle Power Plant, International Journal of Thermodynamics, Vol. 10, no. 2, pp , June D. N. Simopoulos, S. D. Kavatza, C. D. Vournas, Reliability Constrained Unit Commitment Using Simulated Annealing, IEEE Trans. on Power Systems, Vol. 21, pp , Nov C. D. Vournas, V. C. Nikolaidis, A. A. Tassoulis, Post-mortem analysis and data validation in the wake of the 2004 Athens blackout, IEEE Trans. on Power Systems, Vol. 21, pp , Aug C. D. Vournas, N.G. Sakellaridis, Region of attraction in a power system with discrete LTCs, IEEE Trans. on Circuits and Systems I, Vol. 53, pp , July D. N. Simopoulos, S. D. Kavatza, C. D. Vournas, Unit commitment by an enhanced simulated annealing algorithm, IEEE Transactions on Power Systems, Vol. 21, pp , Feb E. G. Potamianakis, C. D. Vournas, "Short-Term Voltage Instability: Effects on Synchronous and Induction Machines", IEEE Trans. on Power Systems, Vol. 21, No. 2, May

5 18. T. Van Cutsem, J. Kabouris, G. Christoforidis, C. D. Vournas, Application of real-time voltage security assessment to the Hellenic interconnected system, IEE Proceedings-Generation, Transmission and Distribution, Vol.: 152, pp , Jan B. M. Nomikos, C.D. Vournas, Investigation of Induction Machine contribution to power system oscillations, IEEE Trans. on Power Systems, Vol. 20, pp , May G.K. Fourlas, K.J. Kyriakopoulos, C.D. Vournas, Hybrid systems modeling for power systems, IEEE Circuits and Systems Magazine, Vol. 4, no. 3, pp , July J. Kabouris, C. D. Vournas, Application of Interruptible Contracts to Increase Wind Power Penetration in Congested Areas, IEEE Trans. on Power Systems, Vol. 19, pp , Aug C. Vournas, M. Karystianos, Load Tap Changers in Emergency and Preventive Voltage Stability Control, IEEE Trans. on Power Systems, Vol. 19, pp , Feb C. D. Vournas, E. G. Potamianakis, C. Moors, and T. Van Cutsem, An Educational Simulation Tool for Power System Control and Stability, IEEE Trans. on Power Systems, Vol. 19, pp , Feb C. Skoulidas, C. Vournas, G. Papavassilopoulos, Adaptive game modeling of deregulated power markets, IEEE Power Engineering Review, Vol. 22, No. 9, Sept. 2002, pp C. D. Vournas, G. A. Manos, P. W. Sauer, M. A. Pai, Effect of Overexcitation Limiters on Power System Long-Term Modeling, IEEE Trans. on Energy Conversion, Vol. 14, Dec. 1999, pp J. Kabouris, N. D. Zouros, G. A. Manos, G. C. Contaxis, C. D. Vournas, Computational Environment to Investigate Wind Integration into Small Autonomous Systems, Renewable Energy, vol. 18, 1999, pp C. D. Vournas, G. A. Manos, Modelling of stalling motors during voltage stability studies, IEEE Trans. PWRS-13, Aug. 1998, pp M. A. Pai, C. D. Vournas, A. N. Michel, H. Ye, Applications of interval matrices in power system stabilizer design, Int. J. of Electric Power and Energy Systems, Vol. 19, No. 3, Mar. 1997, pp T. Van Cutsem, C. D. Vournas, Voltage Stability Analysis in Transient and Mid-Term Time Scales, IEEE Trans. on Power Systems, vol. PWRS-11, February 1996, pp C. D. Vournas, P. W. Sauer, M. A. Pai, Relationships between Voltage and Angle Stability of Power Systems, Int. J. of Electric Power and Energy Systems, Vol. 18, No. 8, Aug. 1996, pp C. D. Vournas, M. A. Pai, P. W. Sauer, The effect of Automatic Voltage Regulation on the bifurcation evolution in power systems, IEEE Trans. PWRS- 11, Nov. 1996, pp C. D. Vournas, G. Papaioannou, Modelling and Stability of a Hydro Plant with two Surge Tanks, IEEE Trans. on Energy Conversion, vol. EC-10, June 1995, pp C. D. Vournas, Voltage Stability and Controllability Indices for a Multimachine Power System, IEEE Trans. on Power Systems, vol. PWRS-10, Aug. 1995, pp

6 34. C. D. Vournas, A. Zaharakis, "Hydro Turbine Transfer Functions with Hydraulic Coupling", IEEE Trans. on Energy Conversion, vol. EC-8, No. 3, Sept. 1993, pp C. D. Vournas, N. D. Krassas, "Voltage Stability as Affected by Static Load Characteristics", IEE Proceedings, part C - Generation, Transmission and Distribution, Vol. 140, No. 3, May 1993, pp N. D. Hatziargyriou, C. D. Vournas, "Electric Power Engineering Education in Greece - A brief description and a comparative assessment", International Journal of Electrical Engineering Education, vol. 29, No. 1, Jan. 1992, pp C. D. Vournas, "Second Order Hydraulic Turbine Models for Multimachine Stability Studies", ΙΕΕΕ Τrans. on Energy Conversion, vol. EC-5, No.2, June 1990, pp C. D. Vournas, E. N. Dialynas, N. D. Hatziargyriou, A. V. Machias, J. L. Souflis, B. C. Papadias, "A Flexible AGC Algorithm for the Hellenic Interconnected System", IEEE Trans. on Power Systems, Vol. PWRS-4, No. 1, Feb. 1989, pp G. C. Contaxis, S. D. Kavatza, and C. D. Vournas, "An Interactive Package for Risk Evaluation and Maintenance Scheduling", IEEE Trans. on Power Systems, Vol. PWRS-4, No. 2, May 1989, pp N. D. Hatziargyriou, C. D. Vournas, and B. C. Papadias, "The Educational Role of Personal Computers in Power System Laboratories", IEEE Trans. on Education, Vol. 32, No. 2, May 1989, pp C. D. Vournas, A. V. Machias und J. L. Souflis, "Determination of Excitation Parameter Limits for Generator Dynamic Stability", Archiv fur Elektrotechnik, Vol.72, 1989, pp C. D. Vournas and B. C. Papadias, "Power System Stabilization via Parameter Οptimization - Application to the Hellenic Interconnected System", IEEE Trans. on Power Systems, Vol. PWRS-2, No. 3, Aug. 1987, pp ΕΠΙΣΤΗΜΟΝΙΚΕΣ ΕΡΓΑΣΙΕΣ ΣΕ ΔΙΕΘΝΗ ΣΥΝΕΔΡΙΑ 1. C. D. Vournas and R. J. Fleming, "Generalization of the Heffron-Phillips Model of a Synchronous Generator", paper A , IEEE/PES Summer Meeting, Los Angeles, Ca., July C. D. Vournas and R. J. Fleming, "Multivariable Stabilizer of a Multimachine Generating Plant", paper A , IEEE/PES Winter Meeting, New York, NY, Feb R. J. Fleming, C. Vournas, J. Lal, G. Kalamadi, "The Design of Multivariable Stabilizers for Interaction Control of Multimachine Plants", IEEE Control of Power Systems Conference, Houston, Tx., March 1979, Proceedings pp C. D. Vournas and B. C. Papadias, "A Multimachine Model for Investigating Synchronous Machine Interactions", paper LG2/12, International Conference on Electric Machines (ICEM), Athens, Greece, Sept. 1980, Proceedings Part 3, pp C. D. Vournas, Coordination of the Excitation Systems in a Multimachine Power System, 2nd IFAC Symposium on Computer Aided Design of Multivariable Technological Systems, West Lafayette, Ind., Sept. 1982, Proceedings pp

7 6. G. C. Contaxis, C. Vournas, B. C. Papadias, "Fast Maintenance Scheduling for Levelizing Risk", IEEE MELECON '83 Conference, Athens, Greece, May C.D. Vournas, B.C. Papadias, "A Linear Multimachine Model of a Power System that Maintains Conceptual Clarity", IASTED EES '83 Conference, Sept. 1983, Proceedings pp C. D. Vournas and B. C. Papadias, "Excitation System Control Schemes in the Hellenic Interconnected System for the Improvement of System Dynamic Performance", CIGRE 84 paper no , Paris, Aug./Sept C. D. Vournas, A. G. Koronides, "Modelling and Dynamic Stability of a Multimachine System Including a Superconducting Generator, ICEM '84, Lausanne, Switzerland, Sept. 1984, Proceedings pp G. C. Contaxis, S. Kavatza, C. Vournas, "Maintenance Scheduling Using Approximate Techniques for Calculating the LOLP", TELECON '84 Proceedings, Halkidiki, Greece, Sept C. D. Vournas, "Optimization of Controller Parameters in a Multimachine Power System", IEE Control '85 Conference Proceedings, Cambridge, England, July 1985, Vol. 1, pp C. D. Vournas and N. D. Hatziargyriou, "Computer Aided Design of Power System Stabilizers", 4th IFAC Symposium on Computer Aided Design in Control Systems, Beijing, P.R. of China, Aug. 1988, Preprints pp C. D. Vournas, S. I. Garifalakis, "Wind Farm Generation Loss Analysis for the Electric Grid of Crete", European Wind Energy Conference and Exhibition, Glasgow, Scotland, July 1989, Proceedings Vol. B, pp C. D. Vournas, N. D. Hatziargyriou, B. C. Papadias, "Interactive Power System Simulation Program - Application to the Hellenic Interconnected System", CIGRE 90 paper no , Paris, Aug./Sept C. D. Vournas, N. D. Krassas, B. C. Papadias, "Forced Oscillation Analysis in Multimachine Power Systems", IEE Control '91 Conference Proceedings, Edinburgh, UK, March 1991, pp C. D. Vournas, N. D. Hatziargyriou, "Computer Aided Design of Electrical Power Transmission Systems", IFAC Symposium on CAD in Control Systems, Swansea, UK, July 1991, pp C. D. Vournas, N. Daskalakis, "Governor Tuning and Regulating Capacity of Hydroelectric Units", IEEE WESCANEX '93, Saskatoon, Canada, May 1993, pp A. K. Fameliaris, C.D. Vournas, "Generator Resynchronisation Prediction using an Artificial Neural Network", 12th IFAC World Congress, Sydney, Australia, July 1993, Preprints Vol. 8, pp C. D. Vournas, G. Manos, "An Overview of Dynamic Phenomena Related to Voltage Collapse", IEEE/NTUA Athens Power Tech '93, Sept. 1993, Vol. 1, pp A. K. Fameliaris, C. D. Vournas, "Inverse Dynamics Control of a Steam Power Plant", Joint IEEE/IFAC CADCS '94 Conference, Tuscon, Az., March C. D. Vournas, N. Maratos, B. C. Papadias, "Power System Stabiliser Coordination using a Parameter Optimisation Method", IEE Control '94 Conference, Coventry, UK, March

8 22. C. D. Vournas. A. Rekouniotis, "Stability Limits in the Parallel Operation of Synchronous and Induction Generators", paper no. 1781, ICEM '94, Gif-sur- Yvette, France, Sept C. D. Vournas, On the modelling of collapse in dynamical systems, Bulk Power System Voltage Phenomena - Voltage stability and security III, Davos, Switzerland, Aug. 1994, pp M. A. Pai, C. D. Vournas, A. Michel, H. Ye, Robust Stability Analysis in Power Systems: an Application of Interval Matrix Theory, 27th NAPS (North American Power Symposium), Bozeman, Montana, Oct. 1995, pp, G. Manos, C. D. Vournas, Voltage Stability of a Synchronous Generator feeding a Restorative Load, IEEE/KTH Power Tech Conference, Stockholm, Sweden, June 1995, pp C. D. Vournas, P. W. Sauer, M. A. Pai, Time-scale Decomposition in Voltage Stability Analysis of Power Systems, 34th CDC, New Orleans, Dec. 1995, pp C. D. Vournas, T. Van Cutsem, Voltage Oscillations with Cascaded Load Restoration, IEEE/KTH Power Tech Conference, Stockholm, Sweden, June, 1995, pp C. D. Vournas, P. W. Sauer, M. A. Pai, Critical Eigenvalues Computation in Partly Regulated Power Systems, 12th PSCC, Dresden, Germany, August 1996, pp G. A. Manos, C. D. Vournas, G. C. Contaxis, J. Kabouris, An Equilibrium Point Computation Program for Voltage Stability Analysis, 31 st UPEC (Universities Power Engineering Conference), Iraklion, Crete, pp , September A. Manos, C. D. Vournas, Bifurcation analysis of a generator - motor system, Proceedings of the 4th IEEE Mediterranean Symposium on New Directions in Control and Automation, Maleme, Crete, pp , June C. D. Vournas, M. A. Pai, P. W. Sauer, Power System Stability Analysis Using Singular Perturbation, Proceedings: Tesla III Millennium Fifth International Conference, pp. III-53-60, Belgrade, Yugoslavia, Oct G. A. Manos, C. D. Vournas, Voltage stability Analysis Using a Combined Quasi Steady State - Slow Dynamic Simulation, Tesla III Millennium Fifth International Conference, Belgrade, pp. III-69-76, Oct J. Kabouris, N. D. Zouros, G. A. Manos, G. C. Contaxis, C. D. Vournas, A Computer Tool to Investigate Wind Integration into Small Autonomous Systems, Tesla III Millennium Fifth International Conference, Belgrade, pp. III , Oct C. D. Vournas, G. A. Manos, M. Karystianos, Bifurcation Analysis of Induction Motors, IEEE Power Tech 99, Budapest, Aug/Sept C. D. Vournas, B. M. Nomikos, M. E. Karystianos, Multiple Bifurcation Branches and Cusp Bifurcation in Power Systems, IEEE Power Tech 99, Budapest, Aug/Sept C. D. Vournas, G. A. Manos, J. Kabouris, T. Van Cutsem, Analysis of a Voltage Instability Incident in the Greek Power System, IEEE/PES Winter Meeting, Singapore, Jan C. D. Vournas, B. M. Nomikos, D. N. Makridou, M. E. Karystianos, G. A. Manos, Bifurcation Analysis of Electrical Power Systems, 1 st Interdisciplinary Symposium of Nonlinear Problems, NTUA, Athens, Jan

9 38. J. Kabouris, C. D. Vournas, S. Efstathiou, G.A. Manos, G. C. Contaxis, Voltage Security Considerations in an Open Power Market, DRPT 2000 Conference, London, April N. G. Maratos, C. D. Vournas, Relationships between Static Bifurcations and Constrained Optima, ISCAS 2000, Geneva, May 2000, pp. II G. A. Manos, C. D. Vournas, D. Makridou, Local and Global Bifurcations in a Power System with Two Cascaded Regulators, 8 th Mediterranean Conference on Control and Automation, Patra, Greece, July C. D. Vournas, M. Karystianos, N. G. Maratos, Bifurcation Points and Loadability Limits as Solutions of Constrained Optimization Problems, IEEE/PES Summer Meeting, Seattle, July C. D. Vournas, Interruptible Load as a Competitor to Local Generation for Preserving Voltage Stability, Panel Session on Fast-Acting Load Control for System and Price Stability IEEE/PES Winter Meeting, Columbus, Jan C. D. Vournas, G. A. Manos, E. G. Potamianakis, J. Kabouris, Voltage Security Assessment of Greek Interconnected Power System with Large Wind Penetration, EWEC 2001, Copenhagen, July C. D. Vournas, M. Karystianos, N. G. Maratos, Exploring Power System Loadability Surface with Optimization Methods, Bulk Power System Dynamics and Control V, Onomichi, Japan, Aug B. M. Nomikos, C. D. Vournas, Modal Interaction and PSS Design, Porto Power Tech, Sept C. D. Vournas, G. A. Manos, Emergency Tap-Blocking to Prevent Voltage Collapse, Porto Power Tech, Sept C. D. Vournas, On the role of LTCs in emergency and preventive voltage stability control, IEEE/PES Winter Meeting, New York, Jan. 2002, vol. 2, pp C. Vournas, M. Karystianos, «Transmission System Tap Changer Settings to Maximize Loadability Margin», 14 th PSCC, Session 30, paper 5, Seville, June A. Bihain, G. Burt, F. Casamata, T. Koronides, R. Lopez, S. Massucco, D. Ruiz-Vega, C. Vournas, Advance Perspectives and Implementation of Dynamic Security Assessment in the Open Market Environment, paper , CIGRE C. D. Vournas, G. A. Manos, G. Hasse, T. Van Cutsem, On-Line Voltage Security Assessment within the OMASES Project, Proc. of the Med Power 2002 Conference, Athens, Nov. 4-6, J. Kabouris, G. A. Manos N. D. Zouros, C. D. Vournas, Uplift Cost Calculation to Overcome Voltage Security Constraints in the Greek Electricity Market, Proc. of the Med Power 2002 Conference, Athens, Nov. 4-6, G.A. Manos, C.D. Tsirekis, C.D. Vournas, B.C. Papadias, A.G. Koronides, A Methodology for HV Capacitor Bank Installation, Proc. of the Med Power 2002 Conference, Athens, Nov. 4-6, C.C. Skoulidas, C.D. Vournas, G.P. Papavassilopoulos, An Adaptive Game for Pay-as-Bid and Uniform Pricing Power Pools Comparison, Proc. of the Med Power 2002 Conference, Athens, Nov. 4-6, G.K. Fourlas, K.J. Kyriakopoulos, C.D. Vournas, Hybrid Systems Modeling for Power Systems, Proc. of the Med Power 2002 Conference, Athens, Nov. 4-6,

10 55. E. G. Potamianakis, C. D. Vournas, Aggregation of Wind Farms in Distribution Networks, EWEC, Madrid, June B. M. Nomikos, C. D. Vournas, Evaluation of Motor Effects on the Electromechanical Oscillations of Multimachine Systems, IEEE Bologna Power Tech, June E. G. Potamianakis, C. D. Vournas, Modeling and Simulation of Small Hybrid Power Systems, IEEE Bologna Power Tech, June C. D. Vournas, G. A. Manos, J. Kabouris, G. Christoforidis, G. Hasse, T. Van Cutsem, On-Line Voltage Security Assessment of the Hellenic Interconnected System, IEEE Bologna Power Tech, June A. Bihain, D. Cirio, M. Fiorina, R. Lopez, D. Lucarella, S. Massucco, D. Ruiz Vega, C. Vournas, T. Van Cutsem, L. Wehenkel, OMASES: A Dynamic Security Assessment Tool for the New Market Environment, IEEE/PES Bologna Power Tech, June C. D. Vournas, M. Karystianos, On-line VSA and emergency voltage controls for the Hellenic Interconnected System, IEEE/PES General Meeting, Toronto, July J. Kabouris, C. D. Vournas, Designing Controls to Increase Wind Power Penetration in Weakly Connected Areas of the Hellenic Interconnected System, Panel session, IEEE/PES General Meeting, Toronto, July B. M. Nomikos, E. G. Potamianakis, C. D. Vournas, Linear and Nonlinear Analysis of a Realistic Power System with Strong Wind Penetration, 38 th UPEC, Thessaloniki, Sept. 2003, pp C. D. Vournas, A. Metsiou, M. Kotlida, V. Nikolaidis, M. Karystianos, Comparison and Combination of Emergency Control Methods for Voltage Stability, IEEE/PES General Meeting, pp , June C. D. Vournas, N. Sakellaridis, Minimum Load Shedding as a Region of Attraction Problem in Hybrid Systems, Bulk Power System Dynamics and Control-VI, Cortina d Ampezzo, Italy, Aug C. D. Vournas, E. G. Potamianakis, Investigation of Short-term Voltage Stability Problems and Countermeasures, IEEE/PES Power Systems Conference and Exposition, pp , Oct C. D. Vournas, V. C. Nikolaidis, A. Tassoulis, Experience from the Athens Blackout of July 12, 2004, IEEE/PES Power Tech Conference, St. Petersburg, Russia, June B. M. Nomikos, E. G. Potamianakis, C. D. Vournas, Oscillatory Stability and Limit Cycle in an Autonomous System with Wind Generation, IEEE/PES Power Tech Conference, St. Petersburg, Russia, June G. Christoforidis, J. Kabouris, C. Vournas, T. Van Cutsem, Investigation of Parameters Affecting Voltage Security of the Hellenic Interconnected System, Proc.15th PSCC, Liege, Aug C. D. Vournas, N. Sakellaridis, M. Karystianos, N. G. Maratos, Investigating power system stability limits, Kos, Greece, May C. D. Vournas, N. G. Sakellaridis, J. Kabouris, Investigation of Capacitor Switching Strategies in HV/MV Substations, IEEE/PES General Meeting, Montreal, June Y. Tsourakis, V. Farantatos, C. D. Vournas, Generic Model and Control Modes for a Full-Converter Synchronous Wind Generator, XVIIth ICEM, Chania, Greece, Sept

11 72. C. D. Vournas, E. G. Potamianakis, Induction Machine Short-term Voltage Stability and Protection Measures, IEEE/PES Power Systems Conference and Exposition, PSCE '06, pp , Oct/Nov E. Contaxi, C. Delkis, S. Kavatza, C. Vournas, The Effect of Humidity in a Weather-Sensitive Peak Load Forecasting Model, IEEE/PES Power Systems Conference and Exposition, PSCE '06, pp , Oct./Nov V. C. Nikolaidis, C. D. Vournas, G. A. Fotopoulos, G. P. Christoforidis, E. Kalfaoglou, A. Koronides, Automatic Load Shedding Schemes against Voltage Instability in the Hellenic System, IEEE/PES General Meeting, Tampa FL, June T. Van Cutsem, C. D. Vournas, Emergency Voltage Stability Controls: an Overview, IEEE/PES General Meeting, Tampa FL, June B. M. Nomikos, M. A. Kotlida, C. D. Vournas, Interarea Oscillations and Tieline Transients in the Hellenic Interconnected System, IEEE/PES Power Tech Conference, Lausanne, July V. C. Nikolaidis, N. A. Tsouris, C. D. Vournas, Continuation Power Flow Incorporating Dispersed Generation, IEEE/PES Power Tech Conference, Lausanne, July C. D. Vournas, N. G. Sakellaridis, Tracking Maximum Loadability Conditions in Power Systems, irep Symposium Bulk Power System Dynamics and Control-VII: Revitalizing Operational Reliability, Charleston, SC, Aug C. Vournas, N. Sakellaridis, G. Christoforidis, J. Kabouris, T. Van Cutsem, Investigation of a Local Indicator of Voltage Emergency in the Hellenic Interconnected System, 16 th PSCC, Glasgow, July C. D. Vournas, N. G. Sakellaridis, Problems and Solutions for Local Identification of Voltage Instability and Emergency Control, IEEE/PES General Meeting, Pittsburgh, PA, July J. C. Mantzaris, M. E. Karystianos, C. D. Vournas, Comparison of Gas Turbine and Combined Cycle Models for System Stability Studies, 6 th Med Power Conference Proceedings, Thessaloniki, Nov B. M. Nomikos, M.E. Kouveletsou, and C. D. Vournas, PSS Design for the Hellenic System with Partial Interconnection to Turkey, IEEE/PES Power Tech Conference, Bucharest, June/July I. D. Margaris, J. C. Mantzaris, M. E. Karystianos, A. I. Tsouchnikas, C. D. Vournas, N. D. Hatziargyriou, I. C. Vitellas, Methods for evaluating penetration levels of wind generation in autonomous systems, IEEE/PES Power Tech Conference, Bucharest, June/July C. D. Vournas, J. C. Mantzaris, Quasi-Steady-State Modeling of Interarea Oscillations, IEEE/PES Power Tech Conference, Bucharest, June/July C. D. Vournas, A. Metsiou, B. M. Nomikos, Analysis of Intra-area and Interarea Oscillations in South-Eastern UCTE Interconnection, IEEE/PES General Meeting, Calgary, July N. G. Sakellaridis, C. D. Vournas, Critical load-shedding time calculation based on region of attraction limits, IEEE Int. Symp. Circuits and Systems (ISCAS 10), Paris, France, May G. Tsourakis, C. D. Vournas, A Controller for Wind Generators to increase damping of power oscillations, IEEE International Symposium on Circuits and Systems (ISCAS 10), Paris, France, May-June

12 88. C. Vournas, C. Lambrou, M. Glavic, T. Van Cutsem, An integrated autonomous protection system against voltage instability based on load tap changers, IREP Symposium - Bulk Power System Dynamics and Control VIII, Buzios, Rio de Janeiro, Brazil, Aug C. Vournas, C. Lambrou, Overview of local identification of emergency and protection against voltage collapse, 7 th MedPower Conference, Agia Napa, Cyprus, Nov P. Mandoulidis, C. Lambrou, C. Vournas, Effect of Load Restoration on an Integrated Autonomous Protection System Against Voltage Instability, IEEE/PES Power Tech Conference, Trondheim. Norway, June C. Lambrou, P. Mandoulidis, C. Vournas, Local Voltage Instability Monitoring and Protection in the presence of Self-Restoring Loads and Two- Level LTCs, IEEE/PES General Meeting, Detroit MI, July G. Tsourakis, S. Nanou, C. Vournas, A Power System Stabilizer for Variable- Speed Wind Generators, 18 th IFAC World Congress, Milano, Aug/Sept N.G. Sakellaridis, M.E. Karystianos, P. Stratis, E.N. Dialynas, C.D. Vournas, K. Tigas, V. Kilias, Software platform for technical and economic evaluation of large RES penetration, Cigré Symposium The Electric Power System of the Future, Bologna, Sept E. Contaxi, C. D. Vournas, J. Kabouris, A Probabilistic Methodology for Transmission Planning under Severe Uncertainties, 12 th PMAPS Conference, Istanbul, June N. G. Sakellaridis, J. C. Mantzaris, S. A. Papathanassiou, I. Vitellas, and C. D. Vournas, Security Assessment of an Autonomous System with Increased Wind Penetration and Pumped Storage Hybrid Plants, IEEE/PES General Meeting, San Diego, July C. Vournas, P-A Christoforidis, Investigation of alternative methods for distribution voltage control: Impact on maximum loadability", 8 th IFAC Power Plants and Power Systems Control Symposium, Toulouse, Sept C. Ziras, I. Kandiloros, C. Vournas, Gas-Turbine Stability Improvement through a Compressed-Air Chamber, 8th MedPower, Cagliari, Oct C. Lambrou, C. Vournas, G. Christoforidis and J. Kambouris, Voltage Stability Monitoring and Control Studies in the Hellenic Interconnected System, IEEE/PES Power Tech Conference, Grenoble, France, June N. Sakellaridis, J. Mantzaris, G. Tsourakis, C. Vournas, I. Vitellas, Operation and security assessment of the power system of Crete with integration of pumped storage and concentrated solar thermal plants, Bulk Power Systems Dynamics and Control IX (IREP), August 25-30, 2013, Rethymon, Crete, Greece. ΒΙΒΛΙΑ, Κεφάλαια Βιβλίων, Τόμοι Πρακτικών Συνεδρίων 1. Κ. Βουρνά, Β. Κ. Παπαδιά, Κ. Ντελκή, Παραγωγή Ηλεκτρικής Ενέργειας - Ελεγχος και Ευστάθεια Συστήματος, Εκδόσεις Συμμετρία, Αθήνα, Ε. Ν. Πρωτονοτάριου, Κ. Δ. Βουρνά, Ηλεκτροτεχνικές Εφαρμογές, Εκδόσεις Συμμετρία, Αθήνα Κ. Βουρνά, Γ. Κονταξή, Εισαγωγή στα Συστήματα Ηλεκτρικής Ενέργειας, Εκδόσεις Συμμετρία, Αθήνα

13 4. L. H. Fink, C. D. Vournas (editors), Bulk Power Systems Dynamics and Control IV Restructuring, Symposium Proceedings, Santorini, Greece, Aug L. H. Fink, C. D. Vournas, C. C. Liu, J. Kubokawa, Y. Zoka (editors), Bulk Power Systems Dynamics and Control V Security and Reliability in a Changing Environment, Symposium Proceedings, Onomichi, Japan, Aug T. Van Cutsem, C. Vournas, Voltage Stability of Electric Power Systems, Kluwer Αcademic Publishers, 1998, Springer Verlag, T. Van Cutsem, C. Vournas, Emergency monitoring and corrective control of voltage stability - chapter 4 of Real-time stability in power systems, S. Savulescu (ed.), pp Springer, C. Vournas, T. Van Cutsem, On-line voltage security assessment - chapter 5 of Real-time stability in power systems, S. Savulescu (ed.), pp , Springer, C. Vournas, G. Christoforidis, T. Van Cutsem, Online voltage security assessment in the Hellenic interconnected system - chapter 10 of Real-Time Stability Assessment in Modern Power System Control Centers, S. Savulescu (ed.), IEEE Press series on Power Engineering, pp , J. Wiley, C. Vournas, A. Bakirtzis (eds), Bulk Power Systems Dynamics and Control IX (IREP), Symposium Proceedings, August 25-30, 2013, Rethymon, Crete, Greece. ΕΚΘΕΣΕΙΣ ΟΜΑΔΩΝ ΕΡΓΑΣΙΑΣ Έχει συμβάλει στη σύνταξη των ακόλουθων εκθέσεων ομάδων εργασίας, οι οποίες δημοσιεύονται σε ανεξάρτητα τεύχη: 1. CIGRE TF , Modelling of Voltage Collapse Including Dynamic Phenomena. 2. CIGRE TF , Criteria and Countermeasures for Voltage Collapse. 3. CIGRE TF , Indices for the Prediction of Voltage Collapse Including Dynamic Phenomena. 4. CIGRE TF , Impacts of the Interaction among Power System Controls. 5. CIGRE TF , Advanced Angle Stability Controls. 6. IEEE/PES Power System Stability Subcommittee WG, Voltage stability assessment, Concepts, Practices and Tools, special publication SP101PSS, CIGRE TF , Coordinated Voltage Control in Transmission Networks, Brochure no. 310, CIGRE WG C4.601, Review of On-Line Dynamic Security Assessment Tools and Techniques, Brochure no. 325, CIGRE WG C4.601, Modeling and Dynamic Behavior of Wind Generation as it Relates to Power System Control and Dynamic Performance, Brochure no. 328, IEEE Task Force Report, Blackout Experiences and Lessons, Best Practices for System Dynamic Performance, and the Role of New Technologies, Special Publication 07TP190,

14 11. Working Group C-13, System Protection Subcommittee, IEEE PES Power System Relaying Committee, Undervoltage Load Shedding Protection, ΕΠΙΣΤΗΜΟΝΙΚΕΣ ΕΠΙΤΡΟΠΕΣ ΚΑΙ ΟΡΓΑΝΙΣΜΟΙ Fellow of IEEE (2005) IEEE PES Governing Board Region 8 Representative Chairman of IEEE Power Tech Conference International Steering Committee Chairman of Power System Stability Subcommittee (Power System Dynamic Performance Committee, IEEE Power Engineering Society) Member of CIGRE Μέλος Τεχνικού Επιμελητηρίου Ελλάδος (ΤΕΕ) Past Chairman of the International Institute for Research and Education in Power System Dynamics (IREP) 14