2022

• Abdolmaleki, Babak; Bergna-Diaz, Gilbert. (2022) Distributed Control and Optimization of DC Microgrids: A Port-Hamiltonian Approach. IEEE Access. volum 10.
  Vitenskapelig artikkel
• Ferreira, Daniele; Silva, Sidelmo; Silva, Waner; Brandao, Danilo; Bergna-Diaz, Gilbert; Tedeschi, Elisabetta. (2022) Overview of Consensus Protocol and Its Application to Microgrid Control. Energies. volum 15 (22).
  Vitenskapelig oversiktsartikkel/review

2021

• Dejene, Firew Zerihun; Abedrabbo, Mudar; Bergna-Diaz, Gilbert; Beerten, Jef; Van Hertem, Dirk. (2021) Design of Robust MMC Controls Considering HVDC Grid Protection: Small Signal-Based Tuning. IEEE Transactions on Power Delivery. volum 36 (6).
  Vitenskapelig artikkel
• Ferreira, Daniele; Brandao, Danilo Iglesias; Bergna-Diaz, Gilbert; Tedeschi, Elisabetta; Silva, Sidelmo Magalhaes. (2021) Distributed Control Strategy for Low-Voltage Three-Phase Four-Wire Microgrids: Consensus Power-Based Control. IEEE Transactions on Smart Grid.
  Vitenskapelig artikkel
• Haro-Larrode, Marta; Bergna-Diaz, Gilbert; Eguia, Pablo; Santos-Mugica, Maider. (2021) On the Tuning of Fractional Order Resonant Controllers for a Voltage Source Converter in a Weak AC Grid Context. IEEE Access. volum 9.
  Vitenskapelig artikkel
• Zonetti, Daniele; Bergna-Diaz, Gilbert; Ortega, Romeo; Monshizadeh, Nima. (2021) PID passivity-based droop control of power converters: Large-signal stability, robustness and performance. International Journal of Robust and Nonlinear Control.
  Vitenskapelig artikkel

2020

• Alves, Erick Fernando; Bergna-Diaz, Gilbert; Brandao, Danilo; Tedeschi, Elisabetta. (2020) Sufficient Conditions for Robust Frequency Stability of AC Power Systems. IEEE Transactions on Power Systems.
  Vitenskapelig artikkel

2019

• Bergna-Diaz, Gilbert; Formentini, Andrea; Zanchetta, Pericle; Tedeschi, Elisabetta. (2019) Particle Swarm Optimization Tuning of Modular Multilevel Converters in a Time-Invariant Framework. The 13th IEEE Interantional Conference on Power Electronics and Drive Systems - PEDS 2019.
  Vitenskapelig kapittel/artikkel
• Bergna-Diaz, Gilbert; Suul, Jon Are Wold; Berne, Erik; Vannier, Jean-Claude; Molinas Cabrera, Maria Marta. (2019) Optimal Shaping of the MMC Circulating Currents for Preventing AC-Side Power Oscillations from Propagating into HVdc Grids. IEEE Journal of Emerging and Selected Topics in Power Electronics. volum 7 (2).
  Vitenskapelig artikkel
• Bergna-Diaz, Gilbert; Zonetti, Daniele; Sanchez Acevedo, Santiago; Ortega, Romeo; Tedeschi, Elisabetta. (2019) PI Passivity-Based Control and Performance Analysis of MMC Multiterminal HVDC Systems. IEEE Journal of Emerging and Selected Topics in Power Electronics. volum 7 (4).
  Vitenskapelig artikkel
• Sanchez Acevedo, Santiago; Garces, Alejandro; Bergna-Diaz, Gilbert; Tedeschi, Elisabetta. (2019) Dynamics and Stability of Meshed Multiterminal HVDC Networks. IEEE Transactions on Power Systems. volum 34 (3).
  Vitenskapelig artikkel

2018

• Bergna-Diaz, Gilbert; Bergna-Diaz, Gilbert; Tedeschi, Elisabetta. (2018) A plug-and-play grid for the transmission of large amounts of offshore energy.
  Nettsider (opplysningsmateriale)
• Bergna-Diaz, Gilbert; Freytes, Julian; Guillaud, Xavier; D'Arco, Salvatore; Suul, Jon Are Wold. (2018) Analysis of MMC Dynamics in DQZ Coordinates for Vertical and Horizontal Energy Balancing Control. 44th Annual Conference of the IEEE Industrial Electronics Society (IECON2018).
  Vitenskapelig kapittel/artikkel
• Bergna-Diaz, Gilbert; Freytes, Julian; Guillaud, Xavier; D'Arco, Salvatore; Suul, Jon Are Wold. (2018) Generalized voltage-based state-space modeling of modular multilevel converters with constant equilibrium in steady state. IEEE Journal of Emerging and Selected Topics in Power Electronics. volum 6 (2).
  Vitenskapelig artikkel
• Ugalde-Loo, Carlos Ernesto; Wang, S.; Adeuyi, D.; Jenkins, N.; Liang, J.; D'Arco, Salvatore; Bergna-Diaz, Gilbert; Parker, M; Finney, S.; Ceballos, S.; Santos, M.; Vidaurrazaga, I.; Pitto, A.; Cirio, D; Gatti, A.; Rapizza, Marco; Ciapessoni, Emanuele; Glasdam, J.; El-Khatib, W.Z.; Barneys, M.; Azpiri, I.; Castro, A.. (2018) Lessons learnt from the BEST PATHS project for the integration of offshore wind power plants using multi-terminal HVDC grids. CIGRE, Session Proceedings 2018.
  Vitenskapelig kapittel/artikkel

2017

• Freytes, Julian; Bergna Diaz, Gilbert; Suul, Jon Are Wold; D'Arco, Salvatore; Saad, Hani; Guillaud, Xavier. (2017) Small-signal model analysis of droop-controlled modular multilevel converters with circulating current suppressing controller. 13th IET International Conference on AC and DC Power Transmission - ACDC 2017.
  Vitenskapelig kapittel/artikkel
• Ugalde-Loo, Carlos Ernesto; Adeuyi, Oluwole Daniel; Wang, Sheng; Liang, Jun; Jenkins, Nick E.; Ceballos, Salvador J.; Santos, Mario G.; Vidaurrazaga, I.; D'Arco, Salvatore; Bergna Diaz, Gilbert; Barenys, Marta; Parker, Max Alexander; Finney, Stephen Jon; Gatti, Antonio; Pitto, Andrea; Rapizza, Marco; Cirio, Diego; Lund, Per E.; Castro, A.; Azpiri, I.. (2017) Open access simulation toolbox for the grid connection of offshore wind farms using multi-terminal HVDC networks. 13th IET International Conference on AC and DC Power Transmission - ACDC 2017.
  Vitenskapelig kapittel/artikkel
• Bergna-Diaz, Gilbert; Sanchez Acevedo, Santiago; Tedeschi, Elisabetta. (2017) Port Hamiltonian Modelling of Modular Multilevel Converters with Fixed Equilibrium Point. 2017 Twelfth International Conference on Ecological Vehicles and Renewable Energies (EVER).
  Vitenskapelig kapittel/artikkel
• Bergna-Diaz, Gilbert; Suul, Jon Are Wold; D'Arco, Salvatore. (2017) Energy-based state-space representation of modular multilevel converters with a constant equilibrium point in steady-state operation. IEEE transactions on power electronics. volum 33 (6).
  Vitenskapelig artikkel
• Bergna-Diaz, Gilbert; Zonetti, Daniele; Sanchez Acevedo, Santiago; Tedeschi, Elisabetta; Ortega, Romeo. (2017) PI Passivity-based Control of Modular Multilevel Converters for Multi-Terminal HVDC Systems. 2017 IEEE 18th Workshop on Control and Modeling for Power Electronics - COMPEL.
  Vitenskapelig kapittel/artikkel
• Endegnanew, Atsede Gualu; Bergna-Diaz, Gilbert; Uhlen, Kjetil. (2017) Avoiding AC/DC grid interaction in MMC based MTDC Systems. 2017 Twelfth International Conference on Ecological Vehicles and Renewable Energies (EVER).
  Vitenskapelig kapittel/artikkel
• Flåten, Ida Langvik; Bergna-Diaz, Gilbert; Sanchez Acevedo, Santiago; Tedeschi, Elisabetta. (2017) Control of HVDC systems based on diode rectifier for offshore wind farm applications. Energy Procedia. volum 137.
  Vitenskapelig artikkel
• Freytes, Julian; Bergna Diaz, Gilbert; Suul, Jon Are Wold; D'Arco, Salvatore; Gruson, Francois; Colas, Frederic; Saad, Hani; Guillaud, Xavier. (2017) Improving small-signal stability of an MMC with CCSC by control of the internally stored energy. IEEE Transactions on Power Delivery. volum 33 (1).
  Vitenskapelig artikkel
• Freytes, Julian; Bergna-Diaz, Gilbert; Suul, Jon Are Wold; D'Arco, Salvatore; Saad, Hani; Guillaud, Xavier. (2017) State-space modelling with steady-state time invariant representation of energy based controllers for modular multilevel converters. 12th IEEE Power and Energy Society PowerTech Conference PowerTech Manchester 2017.
  Vitenskapelig kapittel/artikkel
• Garces, Alejandro; Sanchez Acevedo, Santiago; Bergna-Diaz, Gilbert; Tedeschi, Elisabetta. (2017) HVDC meshed multi-terminal networks for offshore wind farms: Dynamic model, load flow and equilibrium. 2017 IEEE 18th Workshop on Control and Modeling for Power Electronics - COMPEL.
  Vitenskapelig kapittel/artikkel
• Sanchez Acevedo, Santiago; Bergna-Diaz, Gilbert; Tedeschi, Elisabetta. (2017) Tuning of Control Loops for Grid-Connected Modular Multilevel Converters under a Simplified Port Representation for Large System Studies. 2017 Twelfth International Conference on Ecological Vehicles and Renewable Energies (EVER).
  Vitenskapelig kapittel/artikkel
• Sanchez Acevedo, Santiago; Bergna-Diaz, Gilbert; Tedeschi, Elisabetta; D'Arco, Salvatore; Sanz, Marina. (2017) Impedance computation for power electronic converters with Hilbert transform. 2017 IEEE 18th Workshop on Control and Modeling for Power Electronics - COMPEL.
  Vitenskapelig kapittel/artikkel

2016

• Beerten, Jef; Bergna Diaz, Gilbert; D'Arco, Salvatore; Suul, Jon Are Wold. (2016) Comparison of small-signal dynamics in MMC and two-level VSC HVDC transmission schemes. 2016 IEEE International Energy Conference (ENERGYCON).
  Vitenskapelig kapittel/artikkel
• Bergna Diaz, Gilbert; D'Arco, Salvatore; Suul, Jon Are Wold; Hernes, Magnar. (2016) Analysis of power cycling for semiconductor devices in modular multilevel converters. 2016 IEEE 17th Workshop on Control and Modeling for Power Electronics, COMPEL 2016 : Proceedings.
  Vitenskapelig kapittel/artikkel
• Bergna Diaz, Gilbert; Suul, Jon Are Wold; D'Arco, Salvatore. (2016) State-space modelling of modular multilevel converters for constant variables in steady-state. 2016 IEEE 17th Workshop on Control and Modeling for Power Electronics, COMPEL 2016 : Proceedings.
  Vitenskapelig kapittel/artikkel
• Carrizosa, Miguel Jimenez; Bergna Diaz, Gilbert; Arzande, Amir; Damm, Gilney R.; Alou, Pedro; Benchaib, Abdelkrim; Lamnabhi-Lagarrigue, Francoise. (2016) Stability of DC/DC three terminals converter using Modular Multilevel Converters for HVDC systems. 17th European Conference on Power Electronics and Applications, EPE'2015 ECCE Europe.
  Vitenskapelig kapittel/artikkel
• Endegnanew, Atsede Gualu; Uhlen, Kjetil; Bergna Diaz, Gilbert; Beerten, Jef. (2016) Small-signal modelling of an MMC-based HVDC link interfacing large AC systems. 2016 IEEE 17th Workshop on Control and Modeling for Power Electronics, COMPEL 2016 : Proceedings.
  Vitenskapelig kapittel/artikkel
• Stankovic, Nikola; Bergna Diaz, Gilbert; Arzande, Amir; Berne, Erik; Egrot, Philippe; Vannier, Jean Claude. (2016) A digital control algorithm for modular multilevel converters. 17th European Conference on Power Electronics and Applications, EPE'2015 ECCE Europe.
  Vitenskapelig kapittel/artikkel
• Bergna-Diaz, Gilbert; Suul, Jon Are Wold; D'Arco, Salvatore. (2016) Impact on Small-Signal Dynamics of Using Circulating Currents Instead of AC-Currents to Control the DC Voltage in MMC HVDC Terminals. 2016 IEEE Energy Conversion Congress and Exposition - ECCE.
  Vitenskapelig kapittel/artikkel

2015

• Bergna Diaz, Gilbert. (2015) Modular Multilevel Converter Control for HVDC Operation. 2015. ISBN 9788232609437. Doktoravhandlinger ved NTNU (2015:143).
  Doktorgradsavhandling
• Bergna Diaz, Gilbert; Suul, Jon Are Wold; D'Arco, Salvatore. (2015) Small-signal state-space modeling of modular multilevel converters for system stability analysis. 2015 IEEE Energy Conversion Congress and Exposition - ECCE.
  Vitenskapelig kapittel/artikkel
• Cisneros, R; Pirro, M; Bergna Diaz, Gilbert; Ortega, R.; Ippoliti, G.; Molinas Cabrera, Maria Marta. (2015) Global tracking passivity-based pi control of bilinear systems and its application to the boost and modular multilevel converters. IFAC-PapersOnLine. volum 48 (11).
  Vitenskapelig artikkel
• Pescetto, Paolo; Bergna Diaz, Gilbert; Zubimendi, Ignacio; Tedeschi, Elisabetta. (2015) Comparison of Parallel Connected Medium Voltage Grid Side VSCs for Offshore Wind Turbines. Tenth International Conference on Ecological Vehicles and Renewable Energies (EVER) 2015.
  Vitenskapelig kapittel/artikkel
• Stancovic, Nicola; Bergna Diaz, Gilbert; Arzande, Amir; Berne, Erik; Egret, Philippe; Vannier, Jean Claude. (2015) An optimization-based control strategy for modular multilevel converters: Design and implementation. 2015 IEEE 11th International Conference on Power Electronics and Drive Systems (PEDS 2015).
  Vitenskapelig kapittel/artikkel

2014

• Bergna Diaz, Gilbert; Garces Ruiz, Alejandro; Berne, E; Egrot, P; Arzande, A; Vannier, Jean-Claude; Molinas Cabrera, Maria Marta. (2014) A generalized power control approach in ABC frame for modular multilevel converter HVDC links based on mathematical optimization. IEEE Transactions on Power Delivery. volum 29 (1).
  Vitenskapelig artikkel
• Bergna Diaz, Gilbert; Sanchez Acevedo, Santiago; Berne, E; Egrot, Phillipe; Vannier, J.C; Molinas Cabrera, Maria Marta. (2014) Frequency Scanning of Power Electronic-based Smart Grids: The Modular Multilevel Converter Application. 7th IET International Conference on Power Electronics, Machines and Drives - PEMD 2014.
  Vitenskapelig kapittel/artikkel
• Bergna-Diaz, Gilbert; Suul, Jon Are Wold; Berne, E; Vannier, Jean-Claude; Molinas Cabrera, Maria Marta. (2014) MMC circulating current reference calculation in ABC frame by means of Lagrange Multipliers for ensuring constant DC power under unbalanced grid conditions. 2014 16th European Conference on Power Electronics and Applications - EPE'14 - ECCE Europe.
  Vitenskapelig kapittel/artikkel
• Sanchez Acevedo, Santiago; Bergna Diaz, Gilbert; Berne, E; Egrot, P; Vannier, J-C; Molinas Cabrera, Maria Marta. (2014) Frequency Scanning of Power Electronic-based Smart Grids: The Modular Multilevel Converter. 7th IET International Conference on Power Electronics, Machines and Drives - PEMD 2014.
  Vitenskapelig kapittel/artikkel
• Sanchez Acevedo, Santiago; Ortega, Romeo; Grino, Robert; Bergna Diaz, Gilbert; Molinas Cabrera, Maria Marta. (2014) Conditions for existence of equilibria of systems with constant power loads. IEEE Transactions on Circuits and Systems I: Regular Papers. volum 61 (7).
  Vitenskapelig artikkel
• Torres Olguin, Raymundo E.; Garces, A; Bergna Diaz, Gilbert. (2014) HVDC transmission for offshore wind farms. Large scale renewable power generation : advances in technologies for generation, transmission and storage.
  Vitenskapelig kapittel/artikkel

2013

• Bergna, Gilbert; Berne, E; Egrot, P; Lefranc, P; Arzande, A; Vannier, J-C; Molinas Cabrera, Maria Marta. (2013) An Energy-Based Controller for HVDC Modular Multilevel Converter in Decoupled Double Synchronous Reference Frame for Voltage Oscillation Reduction. IEEE transactions on industrial electronics (1982. Print). volum 60 (6).
  Vitenskapelig artikkel
• Bergna, Gilbert; Berne, E; Garces Ruiz, Alejandro; Egrot, P; Vannier, J-C; Molinas Cabrera, Maria Marta. (2013) A generalized power control approach in ABC frame for modular multilevel converters based on Lagrange multipliers. 15th European Conference on Power Electronics and Applications (EPE), 2013.
  Vitenskapelig kapittel/artikkel
• Bergna, Gilbert; Suul, Jon Are Wold; Berne, E; Egrot, P; Vannier, J-C; Molinas Cabrera, Maria Marta. (2013) Generalized ABC Frame Differential Current Control ensuring constant DC Power for Modular Multilevel Converters under Unbalanced Operation. 2013 15th European Conference on Power Electronics and Applications (EPE).
  Vitenskapelig kapittel/artikkel
• Bergna, Gilbert; Suul, Jon Are Wold; Berne, Erik; Egrot, Philippe; Vannier, Jean-Claude; Molinas Cabrera, Maria Marta. (2013) Analysis of Modular Multilevel Converters under Unbalanced Grid Conditions with different Load Current Control Strategies and Lagrange-based Differential Current Control. 1st International Future Energy Electronics Conference : IFEEC 2013.
  Vitenskapelig kapittel/artikkel
• Bergna, Gilbert; Suul, Jon Are Wold; Graces, Alejandro; Berne, Erik; Egrot, Philippe; Arzande, Amir; Vannier, Jean-Claude; Molinas Cabrera, Maria Marta. (2013) Improving the Dynamics of Lagrange-based MMC Controllers by means of Adaptive Filters for Single-Phase Voltage, Power and Energy Estimation. Proceedings of 39th Annual Conference of the IEEE Industrial Electronics Society : IECON 2013.
  Vitenskapelig kapittel/artikkel
• Sanchez Acevedo, Santiago; Ortega, Romeo; Bergna, Gilbert; Molinas Cabrera, Maria Marta; Grino, Robert. (2013) Conditions for Existence of Equilibrium Points of Systems with Constant Power Loads. Proceedings 52nd IEEE Conference on Decision and Control December 10-13, 2013. Florence, Italy.
  Vitenskapelig kapittel/artikkel

2012

• Bergna, Gilbert; Suul, Jon Are Wold; Berne, Erik; Egrot, Philippe; Lefranc, Pierre; Vannier, Jean-Claude; Molinas Cabrera, Maria Marta. (2012) Mitigating DC-side power oscillations and negative sequence load currents in Modular Multilevel Converters under unbalanced faults - first approach using resonant PI. Proceedings IECON 2012 - 38th Annual Conference on IEEE Industrial Electronics Society.
  Vitenskapelig kapittel/artikkel