Embedded Files
Journal Papers
Journal Papers
B. Li, G.J. Kish and Y. Li, “Analysis and Mitigation of Neutral Line Current Ripple in a Dual 3L-NPC Converter System for Bipolar DC Distribution,” accepted for publication in a future issue of IEEE Transactions on Power Electronics, September 2025. Early Access
A. Wijesekera and G.J. Kish, “Improved Operational Flexibility of the M2AC for Direct AC/AC Conversion,” IEEE Open Journal of Power Electronics, vol. 6, pp. 1269-1281, 2025. DOI
R. Wei, H. Wang, G.J. Kish and Y. Li, “A Simplified Time-Domain Model-Based Maximum Efficiency Tracking-Aided Synchronous Rectification Strategy for CLLC Chargers,” IEEE Transactions on Power Electronics, vol. 40, no. 11, pp. 17160-17171, November 2025. DOI
W. Telmesani, G.J. Kish and J. Salmon, “Parallel Connected Converters with Interleaved Phase-Shifted PWM Using a Common Carrier,” IET Power Electronics, vol. 18, no. 1, pp. 1-15, June 2025. DOI
S. Bolonne, G.J. Kish and J. Salmon, “A Zero Net Flux Modulation Scheme for 3-Leg Core Transformer based 3-Phase AC-DC Topologies,” IEEE Transactions on Power Electronics, vol. 40, no. 5, pp. 6470-6475, May 2025. DOI
H. Wang, A. Wijesekera, G.J. Kish and Q. Zhao, “Detecting and Localizing Open-circuit Switch Faults in MMCs Using a Model Informed Estimation Scheme with Low Computational Complexity,” IEEE Transactions on Power Electronics, vol. 40, no. 3, pp. 4399-4410, March 2025. DOI
M.M. Raja, H. Wang, M.H. Arshad, G.J. Kish and Q. Zhao, “Computationally Efficient Data-Driven Model Predictive Control for Modular Multilevel Converters,” IET Electric Power Applications, vol. 18, no. 12, pp. 1-16, December 2024. DOI
B. Li, X. Wu, G.J. Kish and Y. Li, “Dual 3L-NPC Converter System With Improved Power Quality for Bipolar DC Distribution,” IEEE Transactions on Power Electronics, vol. 39, no. 12, pp. 16553-16565 , December 2024. DOI
V. Pemachandra, P. Musilek and G.J. Kish, “Optimizing High-Voltage Direct Current Transmission Corridors: Dynamic Thermal Line Rating for Enhanced Renewable Generation and Greenhouse Gas Emission Reductions,” Energies, vol. 17, no. 10, Article 2318, 2024. DOI
S. Herathge, A. Wijesekera, Y. Li and G.J. Kish, “Modular Multilevel Converter with Multitasking Magnetics for AC/AC Power Conversion,” IEEE Transactions on Power Delivery, vol. 39, no. 1, pp. 42-55, February 2024. DOI
A. Wijesekera, Y. Li and G.J. Kish, “A New Class of Modular Multilevel Converter for Direct AC-AC Conversion,” IEEE Open Journal of Power Electronics, vol. 4, pp. 1025-1040, 2023. DOI
B. Li, H. Tian, L. Ding, X. Wu, G.J. Kish and Y. Li, “An Improved Three-Level Neutral Point Clamped Converter System with Full Voltage Balancing Capability for Bipolar Low Voltage DC Grid,” IEEE Transactions on Power Electronics, vol. 38, no. 12, pp. 15792-15803, December 2023. DOI
H. Wang, Y. Li, A. Wijesekera, G.J. Kish and Q. Zhao, “Switch Open-Circuit Fault Detection and Localization for Modular Multilevel Converters Based on Signal Synthesis,” IEEE Journal of Emerging and Selected Topics in Power Electronics, vol. 11, no. 5, pp. 5391-5404, October 2023. DOI
M.M. Raja, H. Wang, M.H. Arshad, G.J. Kish and Q. Zhao, “Data Driven Model Predictive Control for Modular Multilevel Converters With Reduced Computational Complexity,” IEEE Access, vol. 11, pp. 42113-42123, 2023. DOI
Y. Li, D. Liu and G.J. Kish, “A Dual MMC Chain-link Structure for Multi-frequency Power Transfer,” IEEE Transactions on Power Electronics, vol. 37, no. 12, pp. 14601-14614, December 2022. DOI
Y. Li and G.J. Kish, “Comparative Assessment of Multi-Port MMCs for High-Power Applications,” IEEE Access, vol. 10, pp. 22049-22060, 2022. DOI
C. Perera, J. Salmon and G.J. Kish, “Multiport Converter with Enhanced Port Utilization Using Multitasking Dual Inverters,” IEEE Open Journal of Power Electronics, vol. 2, pp. 511-522, 2021. DOI
A.R. Tarango and G.J. Kish, “Dynamic Phasor Modeling and Analysis of Three-Phase DC/DC/AC MMCs for Hybrid AC/DC Grids,” IEEE Canadian Journal of Electrical and Computer Engineering, vol. 44, no. 4, pp. 391-401, September 2021. DOI
S.H. Kung, D. Liu, C. Perera, M.M. Haji, J. Salmon and G.J. Kish, “Exploiting Buck-Boost Duality in Dual Active Bridge Modular Multilevel Converters to Achieve High DC Step Ratios,” High Voltage, vol. 6, no. 3, pp. 495-513, June 2021. DOI
C. Perera, J. Salmon and G.J. Kish, “Multiport Converter with Independent Control of AC and DC Power Flows for Bipolar DC Distribution,” IEEE Transactions on Power Electronics, vol. 36, no. 3, pp. 3473-3485, March 2021. DOI
Y. Li and G.J. Kish, “The Modular Multilevel DC Converter with Inherent Minimization of Arm Current Stresses,” IEEE Transactions on Power Electronics, vol. 35, no. 12, pp. 12787-12800, December 2020. DOI
C. Perera, G.J. Kish and J. Salmon, “Decoupled Floating Capacitor Voltage Control of a Dual Inverter Drive for an Open-Ended Winding Induction Motor,” IEEE Transactions on Power Electronics, vol. 35, no. 7, pp. 7305-7316, July 2020. DOI
M. Rouhani and G.J. Kish, “Multiport DC-DC-AC Modular Multilevel Converters for Hybrid AC/DC Power Systems,” IEEE Transactions on Power Delivery, vol. 35, no. 1, pp. 408-419, February 2020. DOI
D. Liu, G.J. Kish and S.P. Azad, “Control Strategies to Improve Stability of LCC-HVDC Systems with Multiple MMC taps ,” IET Generation, Transmission & Distribution, vol. 13, no. 20, pp. 4685-4693, October 2019. DOI
G.J. Kish, “On the Emerging Class of Non-Isolated Modular Multilevel DC-DC Converters for DC and Hybrid AC-DC Systems,” IEEE Transactions on Smart Grid, vol. 10, no. 2, pp. 1762-1771, March 2019. DOI
S.H. Kung and G.J. Kish, “Multiport Modular Multilevel Converter for DC Systems,” IEEE Transactions on Power Delivery, vol. 34, no. 1, pp. 73-83, February 2019. DOI
S.H. Kung and G.J. Kish, “A Modular Multilevel HVDC Buck-Boost Converter Derived from Its Switched-Mode Counterpart,” IEEE Transactions on Power Delivery, vol. 33, no. 1, pp. 82-92, February 2018. DOI
G.J. Kish and P.W. Lehn, “Linearized DC-MMC Models for Control Design Accounting for Multi-Frequency Power Transfer Mechanisms,” IEEE Transactions on Power Delivery, vol. 33, no. 1, pp. 271-281, February 2018. DOI
G.J. Kish and P.W. Lehn, “Modeling Techniques for Steady-State and Dynamic Analysis of Modular Multilevel DC/DC Converters,” IEEE Transactions on Power Delivery, vol. 31, no. 6, pp. 2502-2510, December 2016. DOI
G.J. Kish, R. Shi and P.W. Lehn, “The Delta Configured Modular Multilevel Converter,” IEEE Transactions on Power Delivery, vol. 31, no. 3, pp. 1060-1067, May 2016. DOI
G.J. Kish and P.W. Lehn, “A Comparison of DC/AC and DC/DC Modular Multilevel Energy Conversion Processes,” IEEJ Journal of Industry Applications, vol. 4, no. 4, pp. 370-379, July 2015. DOI
G.J. Kish, M. Ranjram and P.W. Lehn, “A Modular Multilevel DC/DC Converter with Fault Blocking Capability for HVDC Interconnects,” IEEE Transactions on Power Electronics, vol. 30, no. 1, pp. 148-162, January 2015. DOI
G.J. Kish, J.J. Lee and P.W. Lehn, “Modeling and Control of Photovoltaic Panels Utilising the Incremental Conductance Method for Maximum Power Point Tracking,” IET Renewable Power Generation, vol. 6, no. 4, pp. 259-266, July 2012. DOI
Conference Papers
Conference Papers
B. Li, X. Wu, R. Liu, G.J. Kish and Y. Li, “Investigation and Mitigation of Neutral Line Current Ripple in a Single 3L-NPC Converter System for Bipolar DC Distribution”, accepted for presentation at IEEE Energy Conversion Congress and Exposition (ECCE), Philadelphia, Pennsylvania, USA, October 2025.
J. Luterbach, D. Bowman, G.J. Kish and P. Gray, “Switch Current-Based Closed-Loop Control for ZCS Bidirectional Current-Fed DC-DC Converters” in Proc. IEEE Industrial Electronics Society Annual Conference (IECON), Chicago, Illinois, USA, November 2024. DOI.
X. Wang, Y. Li, Y. Li and G.J. Kish, “From Black Box to Clarity: AI-Powered Smart Grid Optimization with Kolmogorov-Arnold Networks,” in Proc. IEEE Energy Conversion Congress and Exposition (ECCE), Phoenix, Arizona, USA, October 2024. DOI.
D. Bowman and G.J. Kish, “Retasking Phase Legs in Multiport DC-AC Converters for Fault Tolerant Operation,” in Proc. IEEE Energy Conversion Congress and Exposition (ECCE), Phoenix, Arizona, USA, October 2024. DOI.
H. Wang, D. Bowman, M. Schmidtke, G.J. Kish and Q. Zhao, “Real-time Simulation Study of Switch Open-Circuit Fault Detection and Localization Scheme for MMCs with High Submodule Count,” in Proc. IEEE Energy Conversion Congress and Exposition (ECCE), Phoenix, Arizona, USA, October 2024. DOI.
B. Li, L. Ding, X. Wu, G.J. Kish and Y. Li, “Common-Mode Current Reduction of Paralleled Dual Converters for Bipolar DC Distribution,” in Proc. IEEE Applied Power Electronics Conference (APEC), Orlando, Florida, USA, March 2023. DOI.
M. Persand, Y. Li and G.J. Kish, “Hybrid LCC-VSC Bipolar HVDC System for DC Power Tapping Studies,” in Proc. CIGRE Canada Conference & Expo, Calgary, Alberta, Canada, 2022. DOI
A. Wijesekera, Y. Li and G.J. Kish, “A Partial Power Processing MMC Topology for Direct AC/AC Power Conversion,” in Proc. 22nd IEEE Workshop on Control and Modeling for Power Electronics (COMPEL), November 2021. DOI
A.R. Tarango and G.J. Kish, “State-Space Dynamic Model of Unified MMC Structure for Hybrid AC/DC Grids” in Proc. IEEE Electric Power and Energy Conference (EPEC), November 2020. DOI
C. Perera, J. Salmon and G.J. Kish, “DC/AC Voltage Sourced Converter with Auxiliary DC Port for Renewable Energy Applications” in Proc. IEEE Energy Conversion Congress and Exposition (ECCE), Detroit, Michigan, USA, October 2020. DOI
S. Singh, C. Perera, G.J. Kish and J. Salmon, “Low Harmonic Loss PWM for a Dual Inverter Drive using a Floating Capacitor Inverter,” in Proc. IEEE Energy Conversion Congress and Exposition (ECCE), Baltimore, Maryland, USA, October 2019. DOI
C. Perera, G.J. Kish and J. Salmon, “Guidelines for Selecting Minimum Capacitance for a Floating Bridge Dual Inverter Drive,” in Proc. IEEE Energy Conversion Congress and Exposition (ECCE), Baltimore, Maryland, USA, October 2019. DOI
Y. Li, D. Liu and G.J. Kish, “Generalized DC-DC-AC MMC Structure for MVDC and HVDC Applications,” in Proc. 20th IEEE Workshop on Control and Modeling for Power Electronics (COMPEL), Toronto, Ontario, Canada, June 2019. DOI
S. Singh, C. Perera, G.J. Kish and J. Salmon, “PWM Control of a Dual Inverter Drive using a Floating Capacitor Inverter,” in Proc. 20th IEEE Workshop on Control and Modeling for Power Electronics (COMPEL), Toronto, Ontario, Canada, June 2019. DOI
D. Jovcic, P. Dworakowski, G. Kish, A. Jamshidifar, A. Nami, A. Darbandi and X. Guillaud, “Case Study of Non-Isolated MMC DC-DC Converter in HVDC Grids” in Proc. CIGRE Symposium Aalborg, Aalborg, Denmark, June 2019. DOI
C. Perera, S. Leng, G.J. Kish and J. Salmon, “Robust Floating Capacitor Voltage Control of Dual Inverter Drive for Open-Ended Winding Induction Motor,” in Proc. IEEE Applied Power Electronics Conference (APEC), Anaheim, California, USA, March 2019. DOI
D. Liu, S.P. Azad and G.J. Kish, “Tapping Line Commutated Converter (LCC) - High Voltage Direct Current (HVDC) Systems with Modular Multilevel Converters (MMCs),” in Proc. CIGRE Canada Conference, Calgary, Alberta, Canada, October 2018.
C. Perera, G.J. Kish and J. Salmon, “5-Level PWM Scheme for a Dual Inverter Drive Using an Open Winding Machine,” in Proc. IEEE Energy Conversion Congress and Exposition (ECCE), Portland, Oregon, USA, September 2018. DOI
Y. Gao, N. Faria and G.J. Kish, “Dynamic Model of an Interleaved Modular Multilevel DC-DC Converter for MVDC and HVDC Systems,” in Proc. IEEE Electrical Power and Energy Conference (EPEC), Saskatoon, Saskatchewan, Canada, October 2017. DOI
M. Rouhani and G.J. Kish, “A Transformerless DC-DC MMC Based on Symmetrically Interlinked Subconverters,” in Proc. 18th IEEE Workshop on Control and Modeling for Power Electronics (COMPEL), Stanford, California, USA, July 2017. DOI
S.H. Kung and G.J. Kish, “A Unified Modular Multilevel DC/DC Converter Structure with Flexible AC Power Transfer Controls,” in Proc. 18th IEEE Workshop on Control and Modeling for Power Electronics (COMPEL), Stanford, California, USA, July 2017. DOI
P.A. Gray, P.W. Lehn and G.J. Kish, “Harmonic Analysis Software Tool for Steady-State Analysis of Distorted Grids with Multiple Distributed Generators,” in Proc. 9th Annual CIGRÉ Canada Conference, September 2014.
G.J. Kish, C. Holmes and P.W. Lehn, “Dynamic Modeling of Modular Multilevel DC/DC Converters for HVDC Systems,” in Proc. 15th IEEE Workshop on Control and Modeling for Power Electronics (COMPEL), June 2014. DOI
G.J. Kish and P.W. Lehn, “A Comparison of Modular Multilevel Energy Conversion Processes: DC/AC versus DC/DC,” invited panel paper, in Proc. International Power Electronics Conference, May 2014. DOI
G.J. Kish and P.W. Lehn, “A Modular Bidirectional DC Power Flow Controller with Fault Blocking Capability for DC Networks,” in Proc. 14th IEEE Workshop on Control and Modeling for Power Electronics (COMPEL), June 2013. DOI
G.J. Kish and P.W. Lehn, “Microgrid Design Considerations for Next Generation Grid Codes,” in Proc. IEEE Power and Energy Society General Meeting, July 2012. DOI
G.J. Kish and P.W. Lehn, “Harmonic Assessment of a Multi-Megawatt Wind Farm Incorporating a Robust and Computationally Efficient Metric to Quantify Harmonic Bursts,” in Proc. 15th IEEE International Conference on Harmonics and Quality of Power, June 2012. DOI
G.J. Kish and P.W. Lehn, “A Micro-Turbine Model for System Studies Incorporating Validated Thermodynamic Data,” invited panel paper, in Proc. IEEE Power and Energy Society General Meeting, July 2011. DOI
Book Chapters
Book Chapters
G.J. Kish, “Multiport DC Power Converters for MVDC Applications,” in Medium Voltage DC System Architectures, B. Grainger and R.W. De Doncker, Eds., Institution of Engineering and Technology (IET), 2021. ISBN-13: 978-1-78561-844-4
Technical Reports
Technical Reports
D. Jovcic, G. Kish et. al., “DC-DC converters in HVDC grids and for connections to HVDC systems” CIGRE Working Group B4.76 Technical Brochure 827, Paris, 2021. e-cigre
Dissertations
Dissertations
A. Lakmini, “Exploring the Use of Soft Open Points in Networked Microgrids,” M.Sc. Thesis, University of Alberta, 2025.
T. Senavirathna, “Discontinuous PWM Strategy for Circulating Current Control in Three-Phase Parallel-Connected VSCs,” M.Sc. Thesis, University of Alberta, 2025.
N. Widyalankara, “Circulating Current Suppression in Parallel VSIs Using a Single-Carrier Based PWM Scheme,” M.Sc. Thesis, University of Alberta, 2025.
D. Bowman, “Fault Tolerant Control of a Grid Interfacing Converter for Bipolar DC Distribution,” M.Sc. Thesis, University of Alberta, 2024.
V. Pemachandra, “Using Dynamic Thermal Rating of HVDC Transmission Corridors to Increase Penetration of Renewable Energy,” M.Sc. Thesis, University of Alberta, 2024.
Y. Li, “Modular Multilevel Converters with Multi-Frequency Power Transfer,” Ph.D. Thesis, University of Alberta, 2022.
S. Herathge, “Differential Wye Modular Multilevel AC Converter for Direct AC/AC Power Conversion,” M.Sc. Thesis, University of Alberta, 2022.
M. Persand, “LCC-HVDC Bipole System with MMC-Based DC Tapping Stations,” M.Sc. Thesis, University of Alberta, 2022.
C. Perera, “Power Conversion Techniques Using Dual Inverter Structures,” Ph.D. Thesis, University of Alberta, 2021.
A. Rojas Tarango, “Dynamic Phasor Modeling of Modular Multilevel Converters for Hybrid AC/DC Power Systems,” M.Sc. Thesis, University of Alberta, 2020.
M. Rouhani, “Multiport DC-DC-AC Modular Multilevel Converters for Hybrid AC/DC Power Systems,” M.Sc. Thesis, University of Alberta, 2019.
D. Liu, “Parallel Tapping LCC-HVDC Systems with Multiple Modular Multilevel Converters,” M.Sc. Thesis, University of Alberta, 2019.
S.H. Kung, “Multiport DC-DC Modular Multilevel Converter for MVDC and HVDC Networks,” M.Sc. Thesis, University of Alberta, 2018.
G.J. Kish, “A New Class of Modular Multilevel DC/DC Converters for HVDC Systems,” Ph.D. Thesis, University of Toronto, 2016.
A summary of PEPST Lab publications can also be found on Google Scholar.
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