# Publications

# Journal Publications

Y Zhu, S Jiang, and G. Konstantinou, "Admittance shaping effects of power flow in modular multilevel converters" accepted for publication to Electric Power Systems Research, Sept. 2023.

F. Arraño-Vargas, S Jiang, B Bennett, and G. Konstantinou, "Mitigation of power system oscillations in weak grids with battery energy storage systems: A real-world case study" accepted for publication to Energy, Aug. 2023.

F. Arraño-Vargas and G. Konstantinou, "Longitudinal power systems for modern and future grid studies: A graph theory analysis" accepted for publication to Sustainable Energy Grids and Networks, Aug. 2023.

S. Jiang, Y Zeng, Y Zhu, J Pou, G. Konstantinou, "Stability-Oriented Multi-Objective Control Design for Power Converters Assisted by Deep Reinforcement Learning" accepted for publication to IEEE Trans. on Power Electronics, Aug. 2023.

G. Liang, E. Rodriguez, G. Farivar, E. Nunes, and G. Konstantinou, C. D. Townsend, R. Leyva, J. Pou, "Model Predictive Control for Inter-Submodule State-of-Charge Balancing in Cascaded H-Bridge Converter-Based Battery Energy Storage Systems", IEEE Trans. on Ind. Electron., July 2023.

S. Jiang and G. Konstantinou, "Impedance-Based Stability Analysis: Nodal Admittance or Bus Admittance?" in "IEEE Transactions on Power Systems".

H.D. Tafti, G. Konstantinou, Q. Lei, J.E. Fletcher, G. Farivar, S. Ceballos and J. Pou "Adaptive power system frequency support from distributed photovoltaic systems" in "Solar Energy".

A. Kumaresan, H.D. Tafti, N. Beniwal, N. Gorla, G. Farivar, J. Pou and G. Konstantinou, "Improved Secant-Based Global Flexible Power Point Tracking in Photovoltaic Systems Under Partial Shading Conditions" "IEEE Transactions on Power Electronics".

J. Zhang, S. Yang, K. Song, Y.Wang, G. Konstantinou, and M.Wu, "Railway Signaling System Interference by Unbalanced Traction Harmonic Current: Mechanism,Modeling and Solutions Based on Engineering Practice" "IEEE Transactions on Transportation Electrification".

Q. Lei, F. Arraño-Vargas and G. Konstantinou, "Adaptive Power Reserve Control for Photovoltaic Power Plants Based on Local Inertia in Low-inertia Power Systems" in "IEEE Journal of Emerging and Selected Topics in Industrial Electronics".

J. Zhang, S. Yang, K. Song, Y. Wang, S. Zhang, and G. Konstantinou, "Accurate Identification of Harmonic Impedance of Traction Power Supply System Considering Harmonic Lateral Propagation," IEEE Trans. on Industrial Electronics, vol. 70, no. 5, pp. 5307-5316, May 2023.

S. Jiang, Y. Zhu, and G. Konstantinou, "Settling Angle-Based Stability Criterion for Power-Electronics-Dominated Power Systems", IEEE Trans. on Power Electronics, vol. 38, no. 3, pp. 2972-2984, Mar. 2023.

A Narang, GG Farivar, HD Tafti, S Ceballos, N Beniwal, J Pou, C.D. Townsend, and G. Konstantinou, "Dynamic Reserve Power Point Tracking in Grid-Connected Photovoltaic Power Plants" accepted for publication to IEEE Transactions on Power Electronics, Jan. 2023.

W. Pinthurat, B. Hredzak, G. Konstantinou, and J. Fletcher, "Techniques for compensation of unbalanced conditions in LV distribution networks with integrated renewable generation: An overview", in Electric Power Systems Research, vol. 214, Jan. 2023, pp. 108932.

S. Jiang, and G. Konstantinou, "Generalized impedance model and interaction analysis for multiple grid forming and grid-following converters", Electric Power Systems Research, vol. 214, Jan. 2023, pp. 108912

P. Sun, Y. Wang, M. Khalid, R. Blasco-Gimenez, and G. Konstantinou "Steady-state power distribution in VSC-based MTDC systems and dc grids under mixed P/V and I/V droop control" in Electric Power Systems Research, vol. 214, Jan. 2023, pp. 108798.

P. Sun, H. R. Wickramasinghe, M. Khalid, and G. Konstantinou, "AC/DC fault handling and expanded DC power flow expression in hybrid multi-converter DC grids", in International Journal of Electrical Power & Energy Systems, vol. 141, pp. 107989

Z. Shen, F. Arraño-Vargas and G. Konstantinou, "Artificial Intelligence and Digital Twins in Power Systems: Trends, Synergies and Opportunities" in Digital Twin, Sept. 2022

W. Hein, G. Farivar, N. Beniwal, H.D. Tafti, S. Ceballos, J. Pou, and G. Konstantinou, "Battery Life Time Extension in a Stand-Alone Microgrid with Flexible Power Point Tracking of Photovoltaic System" accepted for publication to IEEE Journal of Emerging and Special Topics on Power Electronics, Sept. 2022.

Y. Zhu, J. Pou and G. Konstantinou, "Impedance Shaping Effects and Stability Assessment of Circulating Current Control Schemes in Modular Multilevel Converters," accepted for publication to IEEE Trans. on Power Delivery, Jul. 2022.

G. Farivar, W. Manalastas, H.D. Tafti, S. Ceballos, A. Sanchez-Ruiz, E. Lovell, G. Konstantinou, C.D. Townsend, M. Srinivasan, and J. Pou, "Grid-Connected Energy Storage Systems: State-of-the-Art and Emerging Technologies" accepted for publication to Transactions of the IEEE, Jun. 2022.

N.Gilmore, I. Koskinen,D. vanGennip, G. Paget, P.A. Burr, E.Obbard, R.Daiyan, A. Sproul, M. Kay, A. Lennon, G. Konstantinou, M. Hemer, E, Gui, N. Gurieff, "Clean Energy Futures: An Australian Based Foresight Study" Energy, vol. 260, pp. 125089.

S. Jiang, Y. Zhu, and G. Konstantinou, "Settling-angle-based Stability Analysis for Multiple Current controlled Converters", accepted for publication to IEEE Trans. on Power Electronics, Jun. 2022.

F. Arraño-Vargas and G. Konstantinou, "Modular Design and Real-Time Simulators Toward Power System Digital Twins Implementation", accepted for publication to IEEE Trans. on Ind. Informatics, May 2022.

P. Sun, Y. Tian, J. Pou, and G. Konstantinou, "Beyond the MMC: Extended Modular Multilevel Converter Topologies and Applications", in IEEE Open Journal of Power Electronics, vol. 3, May. 2022, pp. 317-333.

H.D. Tafti, Q. Wang, C.D. Townsend, J. Pou and G. Konstantinou, "Global Flexible Power Point Tracking in Photovoltaic Systems Under Partial Shading Conditions" in IEEE Trans. on Power. Electron., vol. 37, no. 9, Sept. 2022, pp. 11332-11341.

M.Wu, Y.W. Li, T. Hao,W. Kui, and G. Konstantinou, "Generalized Low Switching Frequency Modulation for Neutral-Point-Clamped and Flying-Capacitor Four-Level Converters", accepted for publication to IEEE Trans. on Power. Electron., vol. 37, no. 7, Jul. 2022, pp. 8087-8103.

P. Sun, H. R. Wickramasinghe, M. Khalid, and G. Konstantinou "AC/DC Fault Analysis and Expanded DC Power Flow Expression in LCC and Modular VSC-based Hybrid Multi-Converter DC Grids" Elsevier IJEPES, Volume 141, Mar. 2022.

Y. Tian, H. R.Wickramasinghe, Z. Li, J. Pou, and G. Konstantinou, "Review, Classification and Loss Comparison of Modular Multilevel Converter Sub-modules for HVDC Applications" in MDPI Energies, vol. 15 (6), Mar.2022.

S. Jiang, Z. Shen, F. Arraño-Vargas, and G. Konstantinou, "The Impact of Overlap Period on the Stability of Current-Controlled Alternate Arm Converter Based on dq Frame Impedance Analysis," in MDPI Electronics -Special Issue Power Converter Design, Control and Applications , Jan. 2022.

F. Arraño-Vargas, Z. Shen, S. Jiang, J.E. Fletcher, and G. Konstantinou, "Challenges and Mitigation Measures in Power Systems with High Share of Renewables - The Australian Experience", in MDPI Energies - Section on State-of-the-Art Energy Related Technologies, Jan. 2022.

G. Liang, G. Farivar, S. Ceballos, H.D. Tafti, J. Pou, C. D. Townsend, and G. Konstantinou, "Unbalanced Active Power Distribution of Cascaded Multilevel Converter-Based Battery Energy Storage Systems", accepted for publication to IEEE Trans. on Ind. Electron., Dec. 2021,

Y. Tian, H. R. Wickramasinghe, P. Sun, Z. Li, J. Pou, and G. Konstantinou, "Assessment of Low-loss Configurations for Efficiency Improvement in Hybrid Modular Multilevel Converters" in IEEE Access, vol. 9, pp. 158155-158166,

S. Jiang, K. Ma, X. Cai, and G. Konstantinou "Mission Profile Emulation for Flexible Number of Submodules in Modular Multilevel Converters with Nearest Level Modulation", accepted for publication to IEEE Trans. on Ind. Electron., Nov. 2021,

A. Ahmad, H.D. Tafti, G. Konstantinou, B. Hredzak and J.E. Fletcher, "Distributed Photovoltaic Inverters Response to Voltage Phase-Angle Jump," accepted for publication to IEEE Journal of PV, Nov. 2021.

K. Ndirangu, H.D. Tafti, J.E. Fletcher and G. Konstantinou, "Impact of grid voltage and grid-supporting functions on efficiency of single-phase photovoltaic inverters," accepted for publication to IEEE Journal of PV, Nov. 2021.

H.D. Tafti, G. Konstantinou, J.E. Fletcher, L. Callegaro, G. Farivar, and J. Pou, "Control of Distributed Photovoltaic Inverters for Frequency Support and System Recovery," accepted for publication to IEEE Trans. on Power. Electron., Oct. 2021.

A. Sanchez-Ruiz, M. Mazuela, H. Fernandez-Rebolleda, S. Ceballos, A. Perez-Basante, M. Zubiaga, J.Pou, N.Beniwal, and G. Konstantinou, "DC-Link Neutral Point Control for 3L-NPC Converters Utilizing Selective Harmonic Elimination – PWM" accepted for publication to IEEE Trans. on Ind. Electron., Sept. 2021.

P.Montero-Robina, A.Marquez, M.S.A. Dahidah, S. Vasquez, J.I. Leon, G. Konstantinou and L.G. Franquelo, "Feed-forward Modulation Technique for more Accurate Operation of Modular Multilevel Converters" accepted for publication to IEEE Trans. on Power Electron., Aug. 2021.

Y. Tian, H. R.Wickramasinghe, J. Pou, and G.Konstantinou, "LossDistribution and Characterization of MMC Submodules for HVDC Applications" accepted for publication to Wiley International Transactions on Electrical Energy Systems (ITEES), Jul. 2021.

G. Liang, H.D. Tafti, G. Farivar, J. Pou, C. D. Townsend, G. Konstantinou and S. Ceballos, "Effect of Capacitor Voltage Ripples on Submodule Active Power Control Limits of Cascaded Multilevel Converters" accepted for publication to IEEE Trans. on Ind. Electron. June 2021.

P. Sun, H. R. Wickramasinghe, and G. Konstantinou, "Hybrid Multiterminal HVDC System based on Line-Commutated and Alternate Arm Converters" IEEE Trans. Power Delivery, vol. 37, no. 2, Apr. 2022.

H. R.Wickramasinghe, and G. Konstantinou, "Interoperability of modular VSC topologies in Multi-converter Multiterminal DC systems" Elsevier Electric Power Systems Research, vol 196, pp. 107225.

T. Heath, M. Barnes, P.D. Judge, G. Chaffey, P. Clemow, T.C. Green, P.R. Green, J. Wylie, G. Konstantinou, S. Ceballos, J. Pou, M.M. Belhaouane, H. Zhang, X. Guillaud and J. Andrews, "Cascaded-and Modular-Multilevel Converter Laboratory Test System Options: A Review." IEEE Access, vol. 9, pp. 44718-44737

M. A. Perez, S. Ceballos, G. Konstantinou, J. Pou and R. Aguilera, "Modular Multilevel Converters: Recent Achievements and Challenges", IEEE Open Journal of Industrial Electronics Society, vol 2, pp. 224-239,

H. Fernandez-Rebolleda, A. Sanchez-Ruiz, S. Ceballos, A. Perez Basante, J.J. Valera-Garcia, G. Konstantinou, and J. Pou, "Analysis and Optimization of Modulation Transitions in Medium-Voltage, High-Power Converters" IEEE Trans. on Power Electronics., vol. 36, no. 9, Sept. 2021, pp. 9984-9993.

N. Petranovic, A. Cantoni, C. D. Townsend, and G. Konstantinou, "Optimisation Methods to Reduce Capacitor Stress in Modular Multilevel Converters", in IEEE Access, vol. 8, pp. 221396-221413.

A. Elsanabary, G. Konstantinou, S. Mekhilef, C. D. Townsend, M. Seyedmahmoudian, and A. Stojcevski, "Medium Voltage Large-Scale Grid-connected Photovoltaic Systems using Cascaded H-Bridge and Modular Multilevel Converters: A Review" in IEEE Access, vol. 8, pp. 223686-223699.

P. Sun, H. R.Wickramasinghe, and G. Konstantinou, "Hybrid LCC-AAC HVDC Transmission System" Elsevier Electric Power Systems Research, vol 192, pp. 106910.

N. Beniwal, G. Farivar, H. D. Tafti, J. Pou, S. Ceballos, G. Konstantinou, and C. D. Townsend, "A Dual-Mode Modulation Technique for Controlling the Average Neutral Point Current in Neutral-Point-Clamped Converters" IEEE Trans. on Power Electronics., vol. 36, no. 5, May. 2020, pp. 6079-6091.

S.Wang, L. Jing, Y. Zhao, H. R.Wickramasinghe, X.Wu, and G. Konstantinou, "Operation of Unified Power Flow Converter Controlled as Virtual Synchronous Generator," in IEEE Access, vol. 8, pp. 162569-162580, 2020.

G. Liang, H.D. Tafti, G. Farivar, J. Pou, C. D. Townsend, G. Konstantinou and S. Ceballos, "Analytical Derivation of Inter-Submodule Active PowerDisparity Limits inModularMultilevel Converter-Based Battery Energy Storage Systems" IEEE Trans. on Power Electron., vol. 36, no. 3, Mar. 2021, pp. 2748-2767.

M.Wu, Y.W. Li, and G. Konstantinou, "A Comprehensive Review of Capacitor Voltage Balancing Strategies for Multilevel Converters Under Selective Harmonic Elimination PWM," IEEE Trans. on Power Electron., vol. 36, no. 3, Mar. 2021, pp. 2864-2874.

L. Callegaro, G. Konstantinou, C. A. Rojas, N. Avila and J. Fletcher, "Testing Evidence and Analysis of Rooftop PV Inverters Response to Grid Disturbances", IEEE Journal of PV, vol. 10, no. 6, Nov. 2020, pp. 1882-1891.

S. Taghizadeh, M. J. Hossain, N. Poursafar, J. Lu, and G. Konstantinou, "Multi-functional Single-phase EV On-board Charger with V2V Charging Assistance Capability" IEEE Access, vol. 8, pp. 116812-116823.

M.Wu, H. Tian, Y.W. Li, G. Konstantinou, and K.Wang, "A Composite Selective Harmonic Elimination Model Predictive Control for Seven-Level Hybrid-Clamped Inverters with Optimal Switching Patterns", IEEE Trans. on Power Electron. vol. 36, no. 1, Jan. 2021, pp. 274-284.

H. Wickramasinghe, G. Konstantinou, and J. Pou, "Extended ZCS Region of AAC-HVDC Systems through On-Load Tap Changer Coordination", IEEE Trans. on Ind. Electron., vol. 68, no. 7, July 2021, pp. 5497-5506.

M. Wu, K. Wang, K. Yang, Y.W. Li, G. Konstantinou, and Y. Li, "Unified SHE-PWM control for three-phase four-level hybrid-clamped inverters", IEEE Trans. on Pow. Electron. vol. 35, no. 11, Nov. 2020, pp. 11488- 11051.

S. Yang, Y.Wang, K. Song, M.Wu, and G. Konstantinou, "Stability and Suppression Study for Low-Frequency Oscillations in Network-Train Systems," IEEE Access, vol. 8, pp. 30575-30590, 2020.

A. Perez-Basante, S. Ceballos, G. Konstantinou, J. Pou, A. Sanchez-Ruiz, I. Lopez and I.Martinez de Alegria, "Circulating Current Control for Modular Multilevel Converters with (N+1) Selective Harmonic Elimination - PWM", IEEE Trans. Power Electron., Dec. 2019.

C. D. Townsend, N., G. Mirzaeva, G. Goodwin, J. Pou, G. Konstantinou, "Identifying Circulating Currents and Zero-Sequence Voltages for Reduction in Stored Capacitor Energy in Modular Multilevel Converters", accepted for publication to IEEE Trans. on Industrial Electronics, Dec. 2019.

H.D. Tafti, G. Konstantinou, C.D. Townsend, G. Farivar, Y. Yang, A. Sangwongwanich, J. Pou, and F. Blaabjerg "Extended Functionalities of Photovoltaic Systems With Flexible Power Point Tracking: Recent Advances" IEEE Trans. on Power Electronics., vol. 35, no. 9, pp. 4426-4438, April 2020.

N. Beniwal, J. Pou, S. Ceballos, C. D. Townsend, G. Konstantinou, H. D. Tafti, and G. Farivar, "Feedforward Modulation for the Neutral-Point-Clamped Converter with Confined Capacitor Voltage Ripples and Reduced Switching Power Losses" IEEE Trans. on Power Electronics., vol. 35, no. 4, pp. 9342-9356, Sept. 2020.

F. Arraño-Vargas, and G.Konstantinou, "Development of Real-Time BenchmarkModels for Integration Studies of Advanced Energy Conversion Systems," IEEE Trans. on Energy Conversion, vol. 35, no. 1, pp. 497-507, March 2020.

K. Song, M. Wu, S. Yang, Q. Liu, V.G. Agelidis and G. Konstantinou, "High-Order Harmonic Resonances in Traction Power Supplies: A Review Based on Railway Operational Data,Measurements and Experience" IEEE Trans. on Power Electronics., vol. 35, no. 3, pp. 2501-2518, March 2020.

P. Jamborsalamati, M. J. Hossain, S. F. Taghizadeh, A. Sadu, G. Konstantinou, M. Manbachi, and P. Dehghanian "Enhancing PowerGrid Resilience through an IEC61850-based EV-assisted Load Restoration," IEEE Trans. on Industrial Informatics, vol. 16, no. 3, pp. 1799-1810, March 2020.

J. Li, G. Konstantinou, H. R.Wickramasinghe, C. D. Townsend, and J. Pou, "Capacitor Voltage Reduction in ModularMultilevel Converters under Grid Voltages Unbalances" IEEE Trans. on Power Deliv., vol. 35, no. 1, pp. 160-170, Feb. 2020.

H. Zhang, H. R. Wickramasinghe, L. Jing, J. Li, J. Pou and G. Konstantinou, "Circulating current control scheme of modular multilevel converters supplying passive networks under unbalanced load conditions," evier Electric Power Systems Research, Vol. 171, June 2019, pp. 36-46.

H. D. Tafti, Y. Yang, A. Sangwongwanich, G. Konstantinou, J. Pou, and F. Blaabjerg, "An Adaptive Control Scheme for Flexible Power Point Tracking in Photovoltaic Systems", IEEE Trans. Power Electron., vol. 34, no. 6, Jun. 2019, pp. 5451-5463.

B. Xia, Y. Li, Z. Li, G. Konstantinou, F. Xu, F. Gao, and P.Wang, "Decentralized Control Method for Modular Multilevel Converters", IEEE Trans. Power Electron., vol. 34, no. 6, Jun. 2019, pp. 5117-5130.

H.D. Tafti, C.D. Townsend, G. Konstantinou, J. Pou, "AMulti-Mode Flexible Power Point Tracking Algorithm for Photovoltaic Power Plants", vol. 34, no. 6, Jun. 2019, pp. 5038-5042.

J. Li, G. Konstantinou, H.R.Wickramasinghe, X. Jin and J. Pou, "Operation and Control Methods of Modular Multilevel Converters in Unbalanced AC Grids: A Review" IEEE Journal of Emerging and Special Topics in Power Electronics, Vol. 7, No. 2, Jun. 2019, pp. 1258-1271.

H. Wickramasinghe, G. Konstantinou, S. Ceballos, and J. Pou, "Alternate Arm Converter Energy Balancing under Parameter Variation", IEEE Trans. Power Electron., vol. 34, no. 4, Apr. 2019, pp. 2996-3000.

R. Picas, J. Zaragoza, G.J. Capella, S. Ceballos, G. Konstantinou, and J. Pou, "Study and comparison of discontinuous modulation for modular multilevel converters in motor drive applications" in IEEE Trans. Ind. Electron., vol. 66, no. 3, Mar. 2019, pp. 2376-2386.

H. Wickramasinghe, G. Konstantinou, Z. Li, and J. Pou, "Alternate Arm Converters-Based HVDC Model Compatible with the CIGRE B4 DC Grid Test System", in IEEE Trans. on Power Del., vol. 34, no. 1, Feb. 2019, pp. 149-159.

A. Perez-Basante, S. Ceballos, G. Konstantinou, J. Pou, I. Kortabarria, and I.Martinez de Alegria, "A Universal Formulation for Multilevel Selective-Harmonic-Eliminated PWMWith Half-Wave Symmetry", IEEE Trans. Power Electron., vol. 34, no. 1, Jan. 2019, pp. 943-957.

H. Zhang, L. Jing, X. Wu, J. Jiang, H.R. Wickramasinghe, and G. Konstantinou, "A Power Flow Control Scheme for Multiport Power Electronics Transformers," in IET High Voltage., vol. 3, no. 4, Dec. 2018, pp. 255- 262.

H. D. Tafti, A. I. Maswood, G. Konstantinou, J. Pou, C. Townsend and P. Acuna, "Flexible control of photovoltaic grid-connected cascaded H-Bridge converters during unbalanced voltage sags",IEEE Trans. Ind. Electronics, vol. 65, no. 8, Aug. 2018, pp. 6229-6238.

H. Wickramasinghe, G. Konstantinou, and J. Pou, "Gradient-Based Energy Balancing and Current Control for Alternate Arm Converters", IEEE Trans. on Power Del., vol. 33, no. 3, Jun. 2018, pp. 1459-1468.

G. Konstantinou, G.J. Capella, S. Ceballos and J. Pou, "Single-carrier phase-disposition PWM techniques for multiple interleaved voltage-source converter legs", IEEE Trans. Ind. Electronics, vol. 65, no. 6, Jun. 2018, pp. 4466-4474.

H. D. Tafti, A. I. Maswood, G. Konstantinou, J. Pou, and P. Acuna, "Active/Reactive power control of photovoltaic grid-tied inverters with peak current limitation and zero active power oscillation during unbalanced voltage sags", IET Power Electronics, vol. 11, no. 6, Jun. 2018, pp. 1066-1073.

J. Li, G. Konstantinou, H.Wickramasinghe, J. Pou, X.Wu, and X. Jin, "Impact of Circulating Current Control in Capacitor Voltage Ripples of Modular Multilevel Converters under Grid Imbalances," IEEE Trans. on Power Del., vol. 33, no. 3, Jun. 2018, pp. 1257-1267.

H. D. Tafti, A. I. Maswood, G. Konstantinou, J. Pou, and F. Blaabjerg, "A general constant power generation algorithm for photovoltaic systems", IEEE Trans. Power Electron., vol. 33, no. 5, May 2018, pp. 4088-4101.

O. Cwikowski, H.Wickramasinghe, G. Konstantinou, J. Pou, M. Barnes and R. Shuttleworth, "Modular Multilevel Converter DC Fault Protection", IEEE Trans. on Power Del., vol. 33, no. 1, Jan 2018, pp. 291-300.

H. Wickramasinghe, G. Konstantinou, J. Pou and V.G. Agelidis, "Interactions between indirect DC-voltage estimation and circulating current controllers of MMC-based HVDC transmission systems", IEEE Trans. Power Systems, vol. 33, no. 1, Jan 2018, pp. 829-838.

A. Perez-Basante, S. Ceballos, G. Konstantinou, J. Pou, J. Andreu, and I.Martinez de Alegria, "(2N+1) selective harmonic elimination-PWM for modular multilevel converters: A generalized formulation and a circulating current control method", IEEE Trans. Power Electron., vol. 33, no. 1, Jan. 2018, pp. 802-818.

Y.Yu, G. Konstantinou, C.D. Townsend, R. Aguilera, and V.G. Agelidis, "Delta-connected cascaded H-bridge multilevel converters for large-scale PV grid integration," IEEE Trans. Ind. Electronics, vol. 64, no. 11, Nov. 2017, pp. 8877-8886.

J. Li, G. Konstantinou, H.Wickramasinghe, J. Pou, X.Wu, and X. Jin, "Investigation of MMC-HVDC operating region by circulating current control under grid imbalances" Elsevier Electric Power Systems Research, Vol. 152, Nov. 2017, pp. 211-222.

K. Song, G. Konstantinou, M. Wu, P. Acuna, R. Aguilera, and V.G. Agelidis, "Windowed SHE-PWM of interleaved four-quadrant converters for resonance suppression in traction power supply systems," IEEE Trans. Power Electronics, vol. 32, no.10, Oct. 2017, pp. 7870-7881.

H. D. Tafti, A. I. Maswood, G. Konstantinou, J. Pou, K. Kandasamy, Z. Lim, and G. H. P. Ooi, "Low-voltage ride-through capability of photovoltaic grid-connected neutral-point-clamped inverters with active/reactive power injection," IET Renewable Power Generation, vol. 11, no. 8, Jun. 2017, pp. 1182-1190.

I. Lopez, S. Ceballos, J. Pou, J. Zaragoza, J. Andreu, I. Edorta, and G. Konstantinou, "Generalized PWM Based Method for Multiphase Neutral-Point-Clamped Converters with Capacitor Voltage Balancing Capability," IEEE Trans. Power Electron., vol. 32, no. 6, Jun. 2017, pp. 4878-4890.

K. Song, G. Konstantinou, M. Wu, and V.G. Agelidis, "High performance control strategy for single-phase three-level NPC traction four-quadrant converters", IET Power Electronics, vol. 10, no. 8, Jun. 2017, pp. 884- 893.

H.R.Wickramasinghe, G. Konstantinou, J. Pou, "Comparison of Bipolar Sub-Modules for the Alternate Arm Converter," Elsevier Electric Power System Research (EPSR), Vol. 146, May. 2017, pp. 115-123.

Y. Yu, G. Konstantinou, C.D. Townsend, and V.G. Agelidis, "Comparison of zero-sequence methods in cascaded H-bridge multilevel converters for large-scale photovoltaic integration," IET Renewable Power Generation, vol. 11, no. 5, Apr. 2017, pp. 603-613.

R. Aguilera, P. Lezana, P. Acuna, G. Konstantinou, S. Bernet, B. Wu, and V.G. Agelidis, “Selective harmonic elimination model predictive control for multilevel power converters”, IEEE Trans. Power Electron., vol. 32, no. 3, pp. 2416-2426, Mar. 2017.

R. Aguilera, Y.Yu, P. Acuna, G. Konstantinou, C.D. Townsend, B.Wu and V.G. Agelidis, "Predictive control of cascaded H-Bridge converters under unbalanced power generation," IEEE Trans. Ind. Electronics, vol. 64, no. 1, pp. 4-13, Jan. 2017.

G. Konstantinou, J. Pou, D. Pagano and S. Ceballos, "A hybrid multilevel converter with partial embedded energy storage," in Energies, invited submission to Special Issue from 2nd Energy Future Conference, Vol. 9, no. 12, Dec. 2016.

G. Konstantinou, J. Pou, S. Ceballos, R. Picas, J. Zaragoza and V.G. Agelidis, “Control of circulating currents in modular multilevel converters through redundant voltage levels”, IEEE Trans. Power Electron., vol. 31, no. 11, Nov. 2016, pp. 7761 - 7769.

G. Wang, G. Konstantinou, C.D. Townsend, J. Pou, S. Vasquez, G. Demetriades, and V.G. Agelidis, "A review of power electronics for grid connection of utility-scale battery energy storage systems," IEEE Trans. Sustainable Energy, vol. 7, no.4, Jul.-Aug. 2016, pp. 1778-1790.

G. Konstantinou, J. Pou, G.J. Capella, K. Song, S. Ceballos, and V.G. Agelidis, “Interleaved operation of three level neutral-point clamped converter legs and reduction of circulating currents under SHE-PWM”, IEEE Trans. Ind. Electronics, vol. 63, no.6, Jun. 2016, pp. 3323-3332.

C. Townsend, Y. Yu, G. Konstantinou, and V.G. Agelidis, “Cascaded H-bridge multi-Level PV topology for alleviation of per-phase power imbalances & reduction of second harmonic voltage ripple”, IEEE Trans. Power Electron., vol. 61, no. 8, Aug. 2016, pp. 5574-5586.

R. Darus, J. Pou, G. Konstantinou, S. Ceballos, and V.G. Agelidis, “Controllers for eliminating the AC components in the circulating current of modular multilevel converters,” IET Power Electronics, vol. 8, no. 1, pp. 1-8, Jan. 2016.

Y.Yu, G. Konstantinou, B. Hredzak, and V.G. Agelidis, “Power balance optimisation of cascaded H-bridge multilevel converters for large-scale photovoltaic integration,” IEEE Trans. Power Electron., vol. 31, no. 2, pp. 1108-1120, Feb. 2016.

Y.Yu, G. Konstantinou, B. Hredzak, and V.G. Agelidis, “Power balance of cascaded H-bridge multilevel converters for large-scale photovoltaic grid integration,” IEEE Trans. Power Electron., vol. 31, no. 1, pp. 292-303, Jan. 2016.

G. Konstantinou, J. Pou, S. Ceballos, R. Darus, and V.G. Agelidis, “Switching frequency analysis of staircase modulated modular multilevel converters and equivalent PWM techniques”, IEEE Trans. Power Del.,, vol. 31, no. 1, Jan. 2016, pp. 28-36.

Y.Yu, G. Konstantinou, B.Hredzak, and V.G. Agelidis, “Operation of cascaded H-Bridge multilevel converters for large-scale photovoltaic power plants under bridge failures,” IEEE Trans. Ind. Electron., vol 62, no.11, pp. 7228-7236, Nov. 2015.

R. Picas, S. Ceballos, J. Pou, J. Zaragoza, G. Konstantinou, V.G. Agelidis, “Closed loop discontinuouus modulation technique for capacitor voltage ripples and switching losses reduction in modular multilevel converters” IEEE Trans. Power Electron., vol. 30, no.9, pp. 4714-4725, Sep. 2015.

R. Darus, J. Pou, G. Konstantinou, S. Ceballos and V.G. Agelidis “A modified voltage balancing algorithm for the modular multilevel converter: evaluation for staircase and phase-disposition PWM,” IEEE Trans. Power Electron., vol. 30, no. 8, pp. 4119 - 4127, Aug. 2015

M.S.A. Dahidah, G. Konstantinou, and V.G. Agelidis, “A review of multilevel selective harmonic elimination PWM: formulations, solving algorithms, implementation and applications,” IEEE Trans. Power Electron., vol. 30, no. 8, pp. 4091-4106, Aug. 2015

G. Capella, J. Pou, C. Ceballos, G. Konstantinou, J. Zaragoza, and V.G. Agelidis, “Enhanced phase-shifted PWM carrier disposition for interleaved voltage source inverters,” IEEE Trans. Power Electron., vol. 30, no. 3, Mar. 2015, pp. 1121-1125.

J. Pou, C. Ceballos, G. Konstantinou, V.G. Agelidis, R. Picas, and J. Zaragoza, “Circulating current injection methods based on instantaneous information for the modular multilevel converter,” IEEE Trans. Ind. Electr., vol. 62, no. 2, pp. 777-788, Feb. 2015.

G. Konstantinou, V.G. Agelidis, and J. Pou, “Theoretical considerations for single-phase interleaved converters operated with selective harmonic elimination PWM,” in IEEE Trans. Power Electron., vol. 29, no. 10, pp. 5124-5128, Nov. 2014.

G. Konstantinou and V.G. Agelidis, "On re-examining symmetry requirements of two-level selective harmonic elimination PWM: novel formulations, solutions and performance evaluation," in Elsevier Electric Power System Research (EPSR), vol. 108, Jan. 2014, pp. 185-197.

S.R. Pulikanti, G. Konstantinou, V.G. Agelidis, “Hybrid seven-level cascaded active-neutral-point-clamped based multilevel converter under SHE-PWM,” IEEE Trans. on Industrial Electronics, vol. 60, no. 11, pp. 4794- 4804, Nov. 2013.

G. Konstantinou, J. Pou, S. Ceballos, and V.G. Agelidis, “Active redundant sub-module configuration in modular multilevel converters,” IEEE Trans. on Power Delivery, Vol. 28, No. 4, pp. 2333-2341, Oct. 2013.

G. Konstantinou, M. Ciobotaru, V.G. Agelidis, “Selective harmonic elimination pulse width modulation of the modular multilevel converter,” IET Power Electronics, Vol. 6, No. 1, pp. 96-107 , Jan. 2013.

M.S.A. Dahidah, G. Konstantinou, V.G. Agelidis, “Selective harmonic elimination pulse width modulation seven-level cascaded H-bridge converter with optimised DC voltage levels,” in IET Power Electronics, Vol. 5, No. 6, pp. 852-862, Jul. 2012.

S.R. Pulikanti, G. Konstantinou, V.G. Agelidis, “DC-link voltage ripple compensation for multilevel active neutral- point-clamped converters under SHE-PWM," IEEE Trans. on Power Delivery, Vol. 27, No. 4, pp. 2176-2184, May 2012.

S.R. Pulikanti, G. Konstantinou, V.G. Agelidis, “Generalization of flying-capacitor based active-neutral point- clamped Multilevel Converter Using Voltage-Level Modulation” in IET Power Electronics, Vol. 5, No. 4, 2012, pp. 456–466, May 2012.

G. Konstantinou, M.S.A. Dahidah, V.G. Agelidis, “Solution trajectories for selective harmonic elimination PWM for seven-level waveforms: analysis and implementation”, in IET Power Electronics, Vol. 5, No. 1, pp. 22– 30, Jan. 2012.

M.S.A. Dahidah, G. Konstantinou, N. Flourentzou, V.G. Agelidis, “On comparing the symmetrical and nonsymmetrical SHE-PWM technique for two-level three-phase voltage source converters” in IET Power Electronics, Vol. 3, No. 6, pp. 829-842, Jul. 2010.

# Conference Publications

Y. Tian, and G.Konstantinou, "Base Failure Rate Calculation for Submodules in Modular Multilevel Converters for MVDC Applications" in 2022 7th IEEEWorkshop on the Electronic Grid (eGRID), pp. 1-5.

A. Perez-Basante, I. Ibanez-Hidalgo, S. Ceballos, A. Sanchez-Ruiz, G. Konstantinou, and J. Pou, "Selective Harmonic Mitigation (SHM-PWM) and THDMinimization: Performance Comparison of Different Formulations" in IECON 2022.

G. Liang, E. Rodriguez, G. Farivar, G. Yadav, N. Beniwal, J. Pou and G. Konstantinou, "A Comparison of PI Based and Sorting-Based State of Charge Balancing Methods in Cascaded H-Bridge Converters", in 2022 IEEE Energy Conversion Congress and Exposition (ECCE), Sept. 2022, pp. 1-7.

Y. Zhu, J. Pou, and G.Konstantinou, "Impedance Shaping Effects of Circulating Current Controllers in Modular Multilevel Converters", IPEC-Himeji 2022-ECCE Asia), pp. 555-561.

Z. Shen, F. Arraño-Vargas and G. Konstantinou, "Validation of Distributed Real-Time Simulations for Decoupled Power System Models", 2022 IEEE 20th Int. Conf. on Ind. Informatics (INDIN), pp. 170-174.

P. Sun, G. Li, G. Town, and G. Konstantinou, "Identifying Opportunities for Medium Voltage DC Systems in Australia", 14th IEEE PES Asia-Pacific Power and Energy Engineering Conference 2022 (APPEEC)

S. Jiang, F. Arraño-Vargas, and G. Konstantinou, "Impedance-based Stability Analysis of Current Controlled Alternate Arm Converter in dq Frame," 2021 IEEE PES ISGT Asia, pp. 1-5.

F. Arraño-Vargas, and G. Konstantinou, "Synthetic Grid Modeling for Real-Time Simulations," 2021 IEEE PES ISGT Asia, pp. 1-5.

A. Narang, G. Farivar, H.D. Tafti, S. Ceballos, J. Pou, C.D. Townsend, and G. Konstantinou, "Dynamic Flexible Power Point Tracking in Photovoltaic Power Plants," IEEE IECON 2021

W. Hein, G. Farivar, N. Beniwal, N. Gorla, H.D. Tafti, S. Ceballos, J. Pou and G. Konstantinou, " Control strategy for effective battery utilization in a stand-alone dc microgrid with solar energy," IEEE ECCE 2021, pp. 1046-1051.

P. Sun, H.R. Wickramasinghe, and G. Konstantinou, "AC and DC Fault Analysis in Hybrid Multi-Converter DC Grids," AUPEC 2021, pp. 1-5.

X. Liu, P. Sun, F. Arraño-Vargas, and G. Konstantinou, "Provision of Synthetic Inertia by Alternate Arm Converters in VSC-HVDC Systems," AUPEC 2021, pp. 1-6.

N. Beniwal, G. Farivar, H.D. Tafti, J. Pou, S. Ceballos, G. Konstantinou, and C.D. Townsend, "Average Neutral Point Current Control Strategy in Neutral-Point-Clamped Converters," ECCE Asia 2021, pp. 1250-1255.

A. Ahmad, H.D. Tafti, G. Konstantinou, B. Hredzak, and J.E. Fletcher, "Analysis on the Behavior of Grid- Connected Single-Phase Photovoltaic Inverters Under Voltage Phase-Angle Jumps," ECCE Asia 2021, pp. 291-296.

K. Ndirangu, H.D. Tafti, J. E. Fletcher, and G. Konstantinou "Validation of Solar Photovoltaic Inverter Behavior to Grid Disturbances through Power-Hardware-in-the-Loop Testing," ECCE Asia 2021, pp. 250-255.

M. Gao, F. Arraño-Vargas, and G.Konstantinou, "Real-TimeModel of the Simplified Australian 14-Generator System in HYPERSIM", 2020 International Conference on Smart Grids and Energy Systems (SGES), pp. 789-794.

A.T. Samuel, A. Aldamanhori, A. Ravikumar, and G. Konstantinou, "Stochastic Modeling for Future Scenarios of the 2040 Australian National Electricity Market using ANTARES", 2020 International Conference on Smart Grids and Energy Systems (SGES), pp. 761-766.

K. Ndirangu, L. Callegaro, J. E. Fletcher, and G. Konstantinou "Development of an Aggregation Tool for PV Inverter Response to Frequency Disturbances across a Distribution Feeder," in IEEE IECON 2020, Singapore, 2020.

H.D. Tafti, G. Konstantinou, J. Fletcher, G. Farivar, S. Ceballos, J. Pou and C.D. Townsend, "Flexible Power Point Tracking in Cascaded H-Bridge Converter-Based Photovoltaic Systems," in IEEE IECON2020, Singapore, 2020.

Y. Tian, H.Wickramasinghe, J. Pou and G. Konstantinou, "Impact of Power Factor Angle in the Sub-module Losses of Modular Multilevel Converters in HVDC Applications," in IEEE IECON 2020, Singapore, 2020.

H. Wickramasinghe, P. Sun, and G. Konstantinou, "A Hybrid VSC-HVDC System based on Modular Multilevel Converter and Alternate Arm Converter," in IEEE IECON 2020, Singapore, 2020.

H.D. Tafti, G. Konstantinou, C. D. Townsend, G. Farivar, S. Ceballos and J. Pou, "Comparative analysis of flexible power point tracking algorithms in photovoltaic systems" in IEEE ECCE 2020, Detroit, USA, 2020.

G. Liang, H.D. Tafti, G. Farivar, J. Pou, C.D. Townsend and G. Konstantinou, "Analysis of the inter-submodule active power disparity limits in modular multilevel converter-based battery energy storage systems" in IEEE ECCE 2020, Detroit, USA, 2020.

Y. Zhu, G. Konstantinou, and K.Ma, "Combined loss and thermal characterization for power semiconductor devices based on H-bridge circuit" in IEEE ECCE Asia 2020, Nanjing, China, 2020.

P. Sun, H.Wickramasinghe, and G. Konstantinou, "An LCC-AAC Hybrid High-voltage DC Transmission System" in IEEE ECCE Asia 2020, Nanjing, China, 2020.

Y. Tian, H. Wickramasinghe, Z. Li, and G. Konstantinou, "Modular Multilevel Converter Sub-modules for HVDC Applications" in IEEE ECCE Asia 2020, Nanjing, China, 2020.

H.D. Tafti, G. Farivar, C. Townsend, G. Konstantinou, and J. Pou, "An Enhanced Solar System with Shaped DC-Link Voltage" in IEEE ICPES 2019, Perth,WA, Dec. 2019.

P. Sun, F. Arraño-Vargas, H.Wickramasinghe, and G. Konstantinou, "Benchmark Models for HVDC Systems and DC-Grid Studies" in IEEE ICPES 2019, Perth,WA, Dec. 2019.

W. Yao, H. Wickramasinghe, K. Ma, and G. Konstantinou "Real-time Co-Simulation for Electrical and Thermal Analysis of Power Electronics", in IEEE ICPES 2019, Perth,WA, Dec. 2019.

G. Konstantinou, H. Wickramasinghe, and X. Zhang, "Loss Comparison and Thermal Performance of Modular Multilevel Converters under Discontinuous Pulse Width Modulation", in IEEE ICPES 2019, Perth, WA, Dec. 2019.

H.D. Tafti, G. Konstantinou, C. Townsend, G. Farivar, A. Sangwongwanich, Y. Yang, J. Pou and F. Blaabjerg, A Comparative Study of Flexible Power Point Tracking Algorithms in Photovoltaic Systems ", in IEEE IFEEC 2019, Singapore, Nov. 2019.

A. Narang, H.D. Tafti, G. Konstantinou, C. Townsend, G. Farivar, S. Vasquez, and J. Pou "An Algorithm for Fast Flexible Power Point Tracking in Photovoltaic Power Plants", in IEEE IECON 2019, Lisbon, Nov. 2019.

R. Aguilera, P. Acuna, C. Rojas, G. Konstantinou and J. Pou "Instantaneous Zero Sequence Voltage for Grid Energy Balancing Under Unbalanced Power Generation" in IEEE ECCE US 2019.

F. Arraño-Vargas, and G. Konstantinou, "Real-Time Benchmark Models for Large-Scale Renewable Integration and Energy Storage Studies", in IEEE PEDG 2019, Xi’an, China, June 2019.

Y. Feng, G. Konstantinou, B. Hredzak, and C.D. Townsend, "Topologies for Reduction of Second Harmonic Ripple in Battery Energy Storage Systems: An Evaluation", in IEEE PEDG 2019, Xi’an, China, June 2019.

R. Zhang, G. Konstantinou, B. Hredzak, "Distributed Control for Microgrid Batteries Communicating over Network with Aperiodically Sampled Data with Time Delays", in ECCE Asia 2019, Busan, South Korea, May 2019.

Z. Yi, H. Chen, K. Sun, J.E. Fletcher, G. Konstantinou, B. Hredzak, "Analysis and Mitigation of Oscillations in Bi-Directional CLLC Resonant Converters", in ECCE Asia 2019, Busan, South Korea, May 2019.

H. Wickramasinghe, W. Yao, K. Ma, and G. Konstantinou, "Thermal Performance of Modular Multilevel Converters in HVDC applications under Offset PWM", in ECCE Asia 2019, Busan, South Korea, May 2019.

H. Zhang, H. Wickramasinghe, J. Li and G. Konstantinou, "Modular Multilevel Converter Operation in Passive Networks under Unbalanced Loads," in IEEE GTD Asia 2019, Bangkok, Thailand, Mar. 2019.

H. Wickramasinghe, W. Yao, K. Ma, and G. Konstantinou, "Thermal Characterization of the Alternate Arm Converter for HVDC Applications", in IEEE ICIT 2019, Melbourne, Australia, Feb. 2019.

G.Konstantinou, H.R.Wickramasinghe, C.D. Townsend, S. Ceballos, J.Pou, "Estimation Methods and Sensor Reduction in Modular Multilevel Converters: A Review", in IEEE ICPES 2018, Colombo, Sri Lanka, Dec. 2018.

G. Konstantinou, and M. Yusuf, "Smart Grid Education: A Reviewof Global Course Offerings and the UNSW Sydney Approach", in IEEE TALE 2018,Wollongong, Australia, Dec. 2018.

Y. Lin, H.R. Wickramasinghe, and G. Konstantinou, "’Hardware-in-the-loop Implementation of a Hybrid Circuit Breaker Controller for MMC-based HVDC Systems", in IEEE APPEEC 2018, Kota Kinabalu, Malaysia, Oct. 2018.

H.R.Wickramasinghe, G. Konstantinou, and J. Pou, "Zero-Current switching for the alternate arm converter through on-load tap changers", in IEEE ECCE 2018, Portland, Oregon, Sept. 2018.

R. Sandano, H. Nurdin, G. Konstantinou, and M. Farrell, "A Communication-less Cooperative dc voltage control technique for a multi-terminal HVDC transmission system using H∞ control" in IEEE ECCE Europe 2018, Riga, Latvia, Sept. 2018.

H.R.Wickramasinghe, G. Konstantinou, and J. Pou, "Energy balancing of the alternate arm converter under parameter variations", in IEEE ISIE 2018, Cairns, Australia, Jul. 2018.

B. Xia, Y. Li, Z. Li, G. Konstantinou, F. Gao, and P.Wang, "Dual phase shift PWM-CSCs based hybrid HVDC transmission system", in IEEE ISIE 2018, Cairns, Australia, Jul. 2018.

P. Jamborsalamati, M. Moghimi, M.J. Hossain, S. Taghizadeh, J. Lu and G. Konstantinou, "A Framework for evaluation of power grid resilience case study: 2016 South Australian blackout," in IEEE EEEIC 2018, Palermo, Italy, Jun. 2018.

G. Konstantinou, H.R. Wickramasinghe, S. Ceballos, J.Pou, "Submodule Voltage Balancing and Loss Equalisation in Alternate Arm Converters Based on Virtual Voltages", in IEEE ECCE Asia 2018, Niigata, Japan, May 2018.

H.D. Tafti, A. Sangwongwanich, Y. Yang, G. Konstantinou, J. Pou and F. Blaabjerg, "A general algorithm for flexible active power control of photovoltaic systems", in IEEE APEC 2018, San Antonio, Texas, Mar. 2018.

G. Konstantinou, and J. Epps, "Facilitating online casual interactions and creating a community of learning in a first-Year electrical engineering course," in IEEE TALE 2017, Hong Kong, Dec. 2017.

J. Jiang, G. Konstantinou, Z. Zhong, and P. Acuna, "Real-time digital simulation based laboratory test-bench development for research and education on solar PV systems," in AUPEC 2017, Melbourne, Nov. 2017.

G. Konstantinou, S. Ceballos, I. Gabiola, J. Pou, B. Karanayil, and V.G. Agelidis, "Flexible prototype of modular multilevel converters for experimental verification of dc transmission and multiterminal systems," in ACEPT 2017, Singapore, Oct. 2017.

J. Li, H.R. Wickramasinghe, G. Konstantinou, J. Pou, and X. Jin, "Limitations of Overlap Control for energy balancing of the alternate arm converter under imbalanced ac grid conditions," in ACEPT 2017, Singapore, Oct. 2017.

H.R. Wickramasinghe,G. Konstantinou, Z. Li, and J. Pou, "Development of an Alternate Arm Converter Benchmark Model for HVDC applications," in IEEE IECON 2017, Beijing, Nov. 2017.

J. Li, G. Konstantinou, H.R. Wickramasinghe, J. Pou, and X. Jin, "Offset PWM in Modular Multilevel Converters for Capacitor voltage reduction under grid imbalances," in IEEE IECON 2017, Beijing, Nov. 2017.

C. Zhao, Y. Li, G. Konstantinou, Z. Li, P. Wang and M. Lei, "Energy Storage Requirements of full-bridge modular multilevel converter with zero sequence voltage injection " in IEEE IECON 2017, Beijing, Nov. 2017.

D. Abeywardana, B. Hredzak, J.E. Fletcher, and G. Konstantinou, "A cascaded boost inverter based battery energy storage system with reduced battery ripple current," in IEEE IECON 2017, Beijing, Nov. 2017.

G. Konstantinou, H.R.Wickramasinghe, J. Pou and S. Ceballos, "Offset PWMin modular multilevel converters for stored arm energy reduction," in IEEE SPEC 2016, Auckland, Dec. 2016.

C.D. Townsend, R. Aguilera, P. Acuna, G.Konstantinou, J. Pou, G.Mirzaeva, and G.C.Goodwin, "Capacitance minimisation in modular multilevel converters: Using predictive control to inject optimal circulating currents and zero-sequence voltage," in IEEE SPEC 2016, Auckland, Dec. 2016.

C.D. Townsend, G.Mirzaeva, G.C. Goodwin, G. Konstantinou, and J. Pou "Fractionally-Rated DC-DC Stages for Use in Multilevel Cascaded Converter Utility-Scale Battery Energy Storage Systems," in IEEE SPEC 2016, Auckland, Dec. 2016.

H.D. Tafti, A. I. Maswood, G. Konstantinou, J. Pou and C.D. Townsend, "Low-voltage ride-through of full row connected cascaded H-bridge converters," in IEEE TENCON 2016, Singapore, Nov. 2016.

H.D. Tafti, A. I. Maswood, G. Konstantinou, and J. Pou, "Low-voltage ride-through capability of cascaded H-Bridge multilevel converters for large-scale photovoltaic power plants," in Proc. ISGT Asia 2016.

H.R. Wickramasinghe, G. Konstantinou, J. Pou and V.G. Agelidis, "Asymmetric overlap and hysteresis current control of zero-current switched alternate arm converter," in Proc. IECON 2016.

H.R. Wickramasinghe, G. Konstantinou, J. Pou, R. Picas, S. Ceballos, and V.G. Agelidis, "Comparison of bipolar submodules for the alternate arm converter," in Proc. IECON 2016.

R. Picas, J. Pou, J. Zaragoza, A.Watson, G. Konstantinou, S. Ceballos, and J. Clare, "Submodule power losses balancing algorithms for the modular multilevel converter," in Proc. IECON 2016.

H.D. Tafti, A. I.Maswood, J. Pou, G. Konstantinou, and V.G. Agelidis "An algorithm for reduction of extracted power from photovoltaic strings in grid-tied photovoltaic power plants," in Proc. IECON 2016.

A. Perez-Basante, S. Ceballos, G. Konstantinou, J. Pou, J. Andreu, and I.Martinez de Alegria "A Universal formulation for selective harmonic elimination PWM with half-wave symmetry for multilevel voltage source converters," in Proc. IECON 2016.

G. Konstantinou, G. Wang, and Y. Zhan, "Current economic viability of combined PV and battery energy storage systems for australian households," in Proc. AUPEC 2016, pp. 1-6

H.D. Tafti, A. I. Maswood, K. Kandasamy, Z. Lim, G.O.H. Peng, G. Konstantinou, and J. Pou, "Study on the unbalanced current injection capability of grid-connected photovoltaic neutral-point-clamped inverter," in Proc. IEEE ECCE 2016, pp. 1-6.

A. L. Perez-Basante, S. Ceballos, G. Konstantinou, M. Liserre, J. Pou, I.M. de Alegria, "Circulating Current Control forModularMultilevel Converter based on Selective Harmonic Elimination with Ultra-low Switching Frequency," in Proc. IEEE EPE - ECCE Europe 2016, pp. 1-10.

G. Konstantinou, J. Pou, S. Ceballos, R. Picas, J. Zaragoza and V.G. Agelidis, “Utilising redundant voltage levels for circulating current control in modular multilevel converters” accepted at the 41st Annual Conference of the IEEE Industrial Electronics Society (IECON2015), Yokohama, Japan, Nov. 2015.

Y. Yu, G. Konstantinou, C. D. Townsend, R. Aguilera, B. Hredzak and V.G. Agelidis, “Delta connected cascaded H-bridge multilevel photovoltaic converters’ ’ accepted at the 41st Annual Conference of the IEEE Industrial Electronics Society (IECON2015), Yokohama, Japan, Nov. 2015.

R. Aguilera, Y. Yu, P. Acuna, G. Konstantinou, and V.G. Agelidis, “Closed-loop SHE-PWM strategy for power converters by means of model predictive control” accepted at the 41st Annual Conference of the IEEE Industrial Electronics Society (IECON2015), Yokohama, Japan, Nov. 2015.

C. D. Townsend, Y.Yu, G. Konstantinou, V.G. Agelidis, and G.D. Demetriades, “Capacitance minimisation & alleviation of per-phase power imbalances in cascaded PV converters” accepted at the 41st Annual Conference of the IEEE Industrial Electronics Society (IECON2015), Yokohama, Japan, Nov. 2015.

R. Picas, J. Pou, J. Zaragoza, S. Ceballos, G. Konstantinou, V.G. Agelidis and J. Balcells, “Discontinuous modulation of modular multilevel converters without the need for additionalSMs” accepted at the 41st Annual Conference of the IEEE Industrial Electronics Society (IECON2015), Yokohama, Japan, Nov. 2015.

A. Reinhardt, G. Konstantinou, D. Egarter, and D. Christine, “Worried About Privacy? Let Your PV Converter Cover Your Electricity Consumption Fingerprints”, accepted at the 6th IEEE International Conference on Smart Grid Communications (SmartGridComm 2015), 2-5 Nov., Miami, Florida.

R. Aguilera, Y. Yu, P. Acuna, G. Konstantinou, C.D. Townsend, B. Wu, and V.G. Agelidis, “Predictive Control Algorithm to achieve power balance of cascaded H-Bridge converters”, Proc. PRECEDE 2015, Valparaiso, Chile, Oct. 2015, pp. 1–6.

G. Konstantinou, J. Zhang, S. Ceballos, J. Pou and V.G. Agelidis, “Comparison and evaluation of sub-module configurations in modular multilevel converters,” in Proc. IEEE PEDS 2015, June 2015, Sydney, Australia, pp. 958–963.

G. Konstantinou, J. Pou, S. Ceballos, G. J. Capella and V.G. Agelidis, "Reducing circulating currents in interleaved converter legs under selective harmonic elimination pulse-width modulation," IEEE Int. Conf. on Ind. Tech. (ICIT), 2015, March 2015, Seville, Spain, pp. 1136-1141.

G. Konstantinou, J. Pou, S. Ceballos, R. Darus, and V.G. Agelidis, "Defining the exact number of submodule transitions in fundamental frequency modulated modular multilevel converters," IEEE Int. Conf. on Ind. Tech.(ICIT), 2015, March 2015, Seville, Spain, pp. 3052-3057.

G. Konstantinou, R. Darus, J. Pou, S. Ceballos, and V.G. Agelidis, "Modified carrier frequency pulse-width modulation techniques for modular multilevel converters," Proc. International Power Electronics Conference IPEC 2014 - ECCE Asia, May 2014, pp. 3758-3763.

R. Darus, G. Konstantinou J. Pou, S. Ceballos, and V.G. Agelidis, "Comparison of phase-shifted and level shifted PWM in the modular multilevel converter," Proc. International Power Electronics Conference IPEC 2014 - ECCE Asia, May 2014, pp. 3764-3770.

Y.Yu, G. Konstantinou, B. Hredzak, and V.G. Agelidis, "Optimal zero sequence injection of multilevel cascaded H-Bridge converter under unbalanced photovoltaic power generation" Proc. International Power Electronics Conference IPEC 2014 - ECCE Asia, May 2014, pp. 1458-1465.

R. Darus, J. Pou, G. Konstantinou, S. Ceballos and V.G. Agelidis, “A modified voltage balancing algorithm for the modular multilevel converter: Evaluation of staircase and phase-disposition PWM” in Proc. IEEE Applied Power Electronics Conference (APEC) 2014, Mar. 2014, pp. 255-260.

G. Konstantinou, J. Pou, and V.G. Agelidis, “Selective harmonic elimination PWM for interleaved single phase full-bridge and NPC rectifiers in traction applications,” in Proc. IEEE IECON 2013, Nov. 2013.

R. Picas, S. Ceballos, J. Zaragoza, J. Pou, G. Konstantinou, and V.G. Agelidis, “Improvements for modular multilevel converter capacitor voltage ripples and power losses with discontinuous modulation,” in Proc. IEEE Industrial Electronics Society (IECON) 2013, Nov. 2013.

Y. Yu, G. Konstantinou, B. Hredzak, and V.G. Agelidis, “On Extending the Energy Balancing Limit of Multilevel Cascaded H-Bridge Converters for Large Scale Photovoltaic Farms”, in Proc. Australasian Universities Power Engineering Conference 2013, Oct. 2013, pp. 1-7.

R. Darus, J. Pou, G. Konstantinou, S. Ceballos and V.G. Agelidis, "Circulating current control and evaluation of carrier disposition in modular multilevel converters", Proc. of IEEE Energy Conversion Conference and Exposition (ECCE Asia) 2013, July 2013, Melbourne, Australia.

R. Picas, S. Ceballos, J. Zaragoza, J. Pou, G. Konstantinou, and V.G. Agelidis, "Optimal circulating current harmonics for minimization of the capacitor voltage ripple amplitudes of a modular multilevel converter", in Proc. of IEEE Energy Conversion Conference and Exposition (ECCE Asia) 2013, July 2013, Melbourne, Australia.

J. Pou, S. Ceballos, G. Konstantinou, G. Capella, and V.G. Agelidis, "Control strategy to balance operation of parallel connected legs of modular multilevel converters", in Proc. of IEEE International Symposium on Industrial Electronics (ISIE) 2013, May 2013, Taiwan, pp. 1-7.

G. Konstantinou, S.R. Pulikanti, V.G. Agelidis, “Generalized modulator for the seven-level FC based ANPC converter,” in Proc. of IEEE Power Electronics for Distributed Generation (PEDG) 2012, June 2012, pp. 586-591.

G. Konstantinou, S.R. Pulikanti, M. Ciobotaru, V.G. Agelidis, and K. Muttaqi, “The seven-level flying capacitor based active neutral point clamped converter for grid integration of utility-scale PV systems,” in Proc. of IEEE Power Electronics for Distributed Generation (PEDG) 2012, June 2012, pp. 592-597.

W. Zhao, H. Choi, G.Konstantinou, M. Ciobotaru, and V.G. Agelidis “Cascaded H-bridge multilevel converter for large-scale PV grid-integration with isolated DC-DC stage,” in Proc. of IEEE Power Electronics forDistributed Generation (PEDG) 2012, June 2012, pp. 849-856.

L.K. Law, G. Konstantinou, M.S.A. Dahidah, and V.G. Agelidis, “SHE-PWM cascaded multilevel converter with adjustable DC sources control for STATCOM applications”, Proc. of IEEE Energy Conversion Congress and Exposition (ECCE) Asia, June 2012, pp. 330-334.

G. Konstantinou„ M. Ciobotaru, and V.G. Agelidis, “Effect of redundant sub-module utilization on modular multilevel converters,” in Proc. of IEEE International Conference on Industrial Technology (ICIT) 2012,Mar. 2012, pp. 826-831.

M.S.A. Dahidah, G. Konstantinou, and V.G. Agelidis, “SHE-PWM control for asymmetrical hybrid multilevel flying capacitor and H-bridge converter,” in Proc. of IEEE International Conference on Power Electronics and Drives Systems (PEDS) 2011, pp. 1-6, Dec. 2011.

. Konstantinou, M. Ciobotaru, and V.G. Agelidis, “Analysis of multi-carrier PWM methods for back-to-back HVDC systems based on modular multilevel converters,” in Proc. of IEEE Industrial Electronics Conference (IECON) 2011, Nov. 2011, pp. 4238-4243.

S.R. Pulikanti, G. Konstantinou, M. Ciobotaru, and V.G. Agelidis, “A DC-link voltage ripple compensation method for multilevel active-neutral-point-clamped converters operating with SHE-PWM,” in Proc of. IEEE Industrial Electronics Conference (IECON) 2011, pp. 4201–4207.

M.S.A. Dahidah, G. Konstantinou, and V.G. Agelidis,“Single-phase nine-level SHE-PWM inverter with single DC source suitable for renewable energy systems,” in Proc. of IEEE VPPC 2011, Sept 2011, pp. 1-6.

G. Konstantinou, M. Ciobotaru, and V.G. Agelidis, “Operation of a modular multilevel converter with selective harmonic elimination PWM,” in Proc. of IEEE Energy Conversion Congress and Exposition (ECCE) Asia 2011, pp. 999 – 1004.

M.S.A. Dahidah, G. Konstantinou, and V.G. Agelidis,“ SHE-PWM and optimized DC voltage levels for cascaded multilevel inverters control,” in Proc. of IEEE International Symposium on Industrial Electronics and Applications (ISIEA) 2010, pp. 143–148.

S.R.Pulikanti, G.Konstantinou, and V.G. Agelidis, “Seven-level cascaded ANPC-based multilevel converter,” in Proc. of IEEE Energy Conversion Congress and Exposition (ECCE) 2010, pp. 4575-4582.

G.Konstantinou, V.G. Agelidis, “Bidirectional rectifier-inverter multilevel topology without DC-link passive components,” in Proc. of IEEE Energy Conversion Congress and Exposition (ECCE) 2010, Sept. 2010, pp. 2578 - 2583.

G. Konstantinou, S.R. Pulikanti, V.G. Agelidis, “Harmonic elimination control of a five-level DC-AC cascaded H-bridge hybrid inverter” in Proc. of IEEE Power Electronics for Distributed Generation (PEDG) 2010, May 2010, pp. 352–357.

S. R. Pulikanti, G. Konstantinou, and V. G. Agelidis “An n-level flying capacitor based active neutral point clamped converter,” in Proc. of IEEE Power Electronics for Distributed Generation (PEDG) 2012, May 2010, pp.553-558.

G. Konstantinou, V.G. Agelidis, “Bipolar switching waveform: novel solutions to the selective harmonic elimination problem,” in Proc. of IEEE International Conference on Industrial Technology (ICIT) 2010, Mar. 2010 pp. 696-701.

N. Flourentzou, G. Konstantinou, V.G. Agelidis, “DC-bus capacitorless rectifier-inverter motor drive with online optimized harmonic controlled PWM,” in Proc. of IEEE International Conference on Industrial Technology (ICIT) 2010, Mar. 2010, pp. 344 - 349.

G. Konstantinou and V. G. Agelidis, “Performance evaluation of half-bridge cascaded multilevel converters operated with multicarrier sinusoidal PWM techniques,” in Proc. of IEEE International Conference on Industrial Electronics and Applications (ICIEA) 2009, May 2009, pp. 3399–3404.