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.
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.
A. Alshawabkeh, G. Tzounas, A. Molina-Garcia, F. Milano,
Instantaneous frequency estimation in unbalanced systems using affine differential geometry,
IEEE Transactions on Circuits and Systems II: Express Briefs, accepted in Nov. 2024.
F. Milano, G. Tzounas, I. Dassios, Instantaneous power revisited with classical mechanics,
IEEE Transactions on Circuits and Systems I: Regular Papers, accepted in Jun. 2024.
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.
I. Dassios, G. Tzounas, F. Milano, Voltage differences as functions of a
matrix eigensystem, Sustainable Energy, Grids and Networks, Elsevier, vol. 39, no. 101448, Sep. 2024.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
G. Tzounas, Small-Signal Stability Techniques for Power System Modal
Analysis, Control, and Numerical Integration, PhD Thesis,
University College Dublin, Ireland, Oct. 2020.
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.