List of Publications

Books

  1. F. Milano, I. Dassios, M. Liu, G. Tzounas, Eigenvalue Problems in Power Systems, CRC Press, Taylor & Francis Group, 2020.
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Book Chapters

  1. G. Tzounas, I. Dassios, M. Liu, R. Sipahi, F. Milano, Small-Signal Stability and Time Domain Analysis of Delayed Power Systems, Chapter 17 in Advances in Power System Modelling, Control and Stability Analysis, IET, 2nd edition, 2022.

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  2. G. Tzounas, M. A. A. Murad, W. Zhong, F. Milano, Combined Voltage-Frequency Control With Power Electronics-Based Devices, Chapter 12 in Advances in Power System Modelling, Control and Stability Analysis, IET, 2nd edition, 2022.

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Journal Articles

  1. I. Dassios, G. Tzounas, F. Milano, A bounded dynamical network of curves and the stability of its steady states, Mathematical Methods in the Applied Sciences, Wiley, accepted in May 2023.

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  2. I. Dassios, G. Tzounas, F. Milano, A. Jivkov, A discrete model on force-based elasticity and plasticity, Journal of Computational and Applied Mathematics, Elsevier, vol. 444, no. 115796, Jul. 2024.

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  3. D. Moutevelis, G. Tzounas, J. Roldan-Pérez, F. Milano, Modal propagation analysis with participation factors of complex frequency variables, Electric Power Systems Research, Elsevier, vol. 230, no. 110295, May 2024.

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  4. G. Tzounas, G. Hug, Unified numerical stability and accuracy analysis of the partitioned-solution approach, IEEE Transactions on Power Systems, vol. 39, no. 2, pp. 3141-3152, Mar. 2024.

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  5. F. Milano, B. Alhanjari, G. Tzounas, Enhancing frequency control through rate of change of voltage feedback, IEEE Transactions on Power Systems, vol. 39, no. 1, pp. 2385-2388, Jan. 2024.

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  6. I. Dassios, G. Tzounas, F. Milano, A formula of solutions for non-autonomous linear difference equations with a fractional forward operator, Journal of Computational and Nonlinear Dynamics, ASME, vol. 18, no. 7, Jul. 2023.

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  7. I. Dassios, G. Tzounas, F. Milano, Stability criterion of a class of non-causal systems of differential equations, Circuits, Systems, and Signal Processing, Springer, vol. 42, pp. 2452-2467, Apr. 2023.

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  8. G. Tzounas, I. Dassios, F. Milano, Frequency divider as a continuum, IEEE Transactions on Power Systems, vol. 37, no. 6, pp. 4970-4973, Nov. 2022.

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  9. G. Tzounas, I. Dassios, F. Milano, Small-signal stability analysis of numerical integration methods, IEEE Transactions on Power Systems, vol. 37, no. 6, pp. 4796-4806, Nov. 2022.
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  11. W. Zhong, G. Tzounas, F. Milano, Improving the power system dynamic response through a combined voltage-frequency control of distributed energy resources, IEEE Transactions on Power Systems, vol. 37, no. 6, pp. 4375-4384, Nov. 2022.
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  13. W. Zhong, G. Tzounas, M. Liu, F. Milano, On-line inertia estimation of virtual power plants, Electric Power Systems Research, Elsevier, vol. 212, no. 108336, Nov. 2022.

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  14. T. Kërçi, G. Tzounas, F. Milano, A dynamic behavioral model of the long-term development of solar photovoltaic generation driven by feed-in tariffs, Energy, Elsevier, vol. 256, no. 124506, Oct. 2022.

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  15. G. Tzounas, I. Dassios, F. Milano, Small-signal stability analysis of implicit integration methods for power systems with delays, Electric Power Systems Research, Elsevier, vol. 211, no. 108266, Oct. 2022.

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  16. F. Milano, M. Liu, M. A. A. Murad, G. Jonsdottir, G. Tzounas, M. Adeen, I. Dassios, A. Ortega, Power system modelling as stochastic functional hybrid differential-algebraic equations, vol. 5, no. 5, pp. 309-331, IET Smart Grid, Oct. 2022. This paper was selected as the journal's featured article for Issue 5, 2022.

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  17. F. Sanniti, G. Tzounas, R. Benato, F. Milano, Curvature-based control for low-inertia systems, IEEE Transactions on Power Systems, vol. 37, no. 5, pp. 4149-4152, Sep. 2022.

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  18. I. Dassios, G. Tzounas, F. Milano, M. Liu, F. Milano, Singular over-determined systems of linear differential equations, Mathematics and Computers in Simulation, Elsevier, vol. 197, pp. 396-412, Jul. 2022.

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  19. F. Milano, G. Tzounas, I. Dassios, M. A. A. Murad, T. Kërçi, Using differential geometry to revisit the paradoxes of the instantaneous frequency, IEEE Open Access Journal of Power and Energy, Invited Papers on Emerging Topics in PES, vol. 9, pp. 501-513, Jun. 2022.

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  20. F. Milano, G. Tzounas, I. Dassios, T. Kërçi, Applications of the Frenet frame to electric circuits, IEEE Transactions on Circuits and Systems I: Regular Papers, vol. 69, no. 4, pp. 1668-1680, Apr. 2022.
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  22. G. Tzounas, R. Sipahi, F. Milano, Damping power system electromechanical oscillations using time delays, IEEE Transactions on Circuits and Systems I: Regular Papers, vol. 68, no. 6, pp. 2725-2735, Jun. 2021.
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  24. G. Tzounas, F. Milano, Delay-based decoupling of power system models for transient stability analysis, IEEE Transactions on Power Systems, vol. 36, no. 1, pp. 464-473, Jan. 2021.

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  25. I. Dassios, G. Tzounas, F. Milano, Robust stability criterion for perturbed singular systems of linearized differential equations, Journal of Computational and Applied Mathematics, Elsevier, vol. 381, no. 113032, Jan. 2021.

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  26. G. Tzounas, I. Dassios, M. A. A. Murad, F. Milano, Theory and implementation of fractional order controllers for power system applications, IEEE Transactions on Power Systems, vol. 35, no. 6, pp. 4622-4631, Nov. 2020.

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  27. I. Dassios, G. Tzounas, F. Milano, Generalized fractional controller for singular systems of differential equations, Journal of Computational and Applied Mathematics, Elsevier, vol. 378, 112919, Nov. 2020.

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  28. G. Tzounas, F. Milano, I. Dassios, M. Liu, F. Milano, Comparison of numerical methods and open-source libraries for eigenvalue analysis of large-scale power systems, Applied Sciences, MDPI, Special Issue: Methods in Dynamical Systems, Mathematics of Networks, and Optimization for Modelling in Engineering, vol. 10, no. 21, 7592, Oct. 2020.

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  29. M. Liu, I. Dassios, G. Tzounas, F. Milano, Model-independent derivative control delay compensation methods for power systems, Energies, MDPI, Special Issue: Advanced Solutions for Monitoring, Protection and Control of Modern Power Transmission System, vol. 13, no. 2, Jan. 2020.

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  30. G. Tzounas, I. Dassios, F. Milano, Modal participation factors of algebraic variables, IEEE Transactions on Power Systems, vol. 35, no. 1, pp. 742-750, Jan. 2020.

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  31. I. Dassios, G. Tzounas, F. Milano, Participation factors for singular systems of differential equations, Circuits, Systems, and Signal Processing, Springer, vol. 39, no. 1, pp. 83-110, Jan. 2020.

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  32. I. Dassios, G. Tzounas, F. Milano, The Möbius transform effect in singular systems of differential equations, Applied Mathematics and Computation, Elsevier, vol. 361, pp. 338-353, Nov. 2019.

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  33. M. Liu, I. Dassios, G. Tzounas, F. Milano, Stability analysis of power systems with inclusion of realistic-modeling of WAMS delays, IEEE Transactions on Power Systems, vol. 34, no. 1, pp. 627-636, Jan. 2019.

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Peer-Reviewed Conference Papers

  1. G. Tzounas, F. Milano, On the emulation of synchronous machine dynamics by converter-interfaced generators, IEEE PES General Meeting, Orlando, FL, 16-20 Jul. 2023.

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  2. C. Tajoli, G. Tzounas, G. Hug, Mode-shape deformation of power system DAEs by time-domain integration methods, IEEE PowerTech, Belgrade, Serbia, 25-29 Jun. 2023.

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  3. W. Zhong, G. Tzounas, F. Milano, Voltage stability enhancement through active power control of converter-interfaced generation, IEEE ISGT-Asia, Singapore, 2-5 Nov. 2022.

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  4. G. Tzounas, F. Milano, On the numerical stability and accuracy of one-step delay approximations, IEEE PES General Meeting, Denver, CO, 17-21 Jul. 2022.

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  5. W. Zhong, G. Tzounas, F. Milano, Real-time estimation of VPP equivalent inertia and fast frequency control, IEEE PES General Meeting, Denver, CO, 17-21 Jul. 2022.

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  6. G. Tzounas, F. Milano, Improving the frequency response of DERs through voltage feedback, IEEE PES General Meeting, Washington, DC, 25-29 Jul. 2021. The paper was included in the session Best Papers on Bulk Power Generation and Transmission.

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  7. T. Kërçi, G. Tzounas, I. Dassios, M. A. A. Murad, F. Milano, A short-term dynamic electricity market model with memory effect, IEEE PES General Meeting, Washington, DC, 25-29 Jul. 2021.

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  8. M. A. A. Murad, G. Tzounas, F. Milano, Modeling and simulation of fractional order PI control limiters for power systems, 21st IFAC World Congress (IFAC 2020), Berlin, Germany, 12-17 Jul. 2020.

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  9. G. Tzounas, F. Milano, Impact of the estimation of synchronous machine rotor speeds on wide area damping controllers, IEEE PES General Meeting, Atlanta, GA, 4-8 Aug. 2019.

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  10. M. A. A. Murad, G. Tzounas, F. Milano, Frequency control through voltage regulation of power system using SVC devices, IEEE PES General Meeting, Atlanta, GA, 4-8 Aug. 2019.

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  11. G. Tzounas, M. Liu, M. A. A. Murad, F. Milano, Impact of realistic bus frequency measurements on wide-area power system stabilizers, IEEE PowerTech, Milano, Italy, 23-27 Jun. 2019.

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  12. M. Liu, G. Tzounas, F. Milano, A model-independent delay compensation method for power systems, IEEE PowerTech, Milano, Italy, 23-27 Jun. 2019.

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  13. G. Tzounas, M. Liu, M. A. A. Murad, F. Milano, Stability analysis of wide area damping controllers with multiple time delays, 10th Symposium on Control of Power and Energy Systems (IFAC CPES), Tokyo, Japan, 4-6 Sep. 2018.

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  14. T. Souxes, G. Tzounas, C. Vournas, Effect of wind variability in the emergency reactive support provided by wind farms, IEEE PowerTech, Manchester, UK, 18-22 Jun. 2017.

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Technical Reports

  1. G. Tzounas, F. Milano, EU H2020 Project edgeFLEX - Deliverable 2.3: Frequency control concept for Energy Communities with future VPPs, Mar. 2022.

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  2. G. Tzounas, J. Chen, T. Kërçi, W. Zhong, F. Milano, EU H2020 Project edgeFLEX - Deliverable 2.2: Frequency control concepts for current VPPs in large scale deployment, Mar. 2021.

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  3. G. Tzounas, F. Milano, J. Chen, T. Kërçi, W. Zhong, D. Nouti, G. Lipari, EU H2020 Project edgeFLEX - Deliverable 2.1: Scenario description for frequency and inertial response control for VPPs, Mar. 2021.

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Theses

  1. G. Tzounas, Small-Signal Stability Techniques for Power System Modal Analysis, Control, and Numerical Integration, PhD Thesis, University College Dublin, Ireland, Oct. 2020.

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  2. G. Tzounas, Impact of Wind Generation on the Maximum Power Transfer of an Electric Power Transmission System, Diploma Thesis (in Greek), National Technical University of Athens, Greece, Dec. 2016.

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