Journal publications

• 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.
• 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. vol. 7 (2).
• 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. vol. 7 (4).
• Sanchez Acevedo, Santiago; Garces, Alejandro; Bergna-Diaz, Gilbert; Tedeschi, Elisabetta. (2019) Dynamics and Stability of Meshed Multiterminal HVDC Networks. IEEE Transactions on Power Systems. vol. 34 (3).
• 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. vol. 6 (2).
• 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. vol. 33 (6).
• 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. vol. 137.
• 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. vol. 33 (1).
• 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. vol. 48 (11).
• 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. vol. 29 (1).
• 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. vol. 61 (7).
• 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). vol. 60 (6).

Part of book/report

• 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.
• 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).
• 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.
• 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.
• 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.
• 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).
• 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.
• 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).