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Direct Arm Energy Control of the Modular Multilevel Matrix Converter

Philippe Alexandre Bontemps, Drazen Dujic, Milan Utvic

Modular multilevel matrix converter is a type of converter used in medium-voltage ac-ac power conversion. Controlling the energy content of the converter arms is a prerequisite for a proper converter operation, and at the same time a challenging control ta ...

2023

On Energy Control of Modular Multilevel Converters

Milan Utvic

Owing to the advancements in the area of power electronics, efficient and flexible ac to dc conversion is made possible, bringing back into focus the idea of the dc power transmission at various voltage levels. Several technical and economical factors advo ...

EPFL2023

Hybrid Modular Multilevel Converter Design and Control for Variable Speed Pumped Hydro Storage Plants

Drazen Dujic, Miodrag Basic, Milan Utvic

Hybrid modular multilevel converter control and design for pumped hydro storage plants is presented, addressing application-specific shortcoming of conventional back-to-back half-bridge modular multilevel converter: high common-mode-voltage machine stress. ...

2021

Flexible and Efficient MMC Digital Twin Realized With Small-Scale Real-Time Simulators

Drazen Dujic, Stefan Milovanovic, Milan Utvic, Ignacio Alejandro Polanco Lobos

2021

Direct Arm Energy Control in Modular Multilevel Converter Under Unbalanced Grid Conditions

Drazen Dujic, Milan Utvic

This paper studies the behaviour of the gridconnected modular multilevel converter under unbalanced grid conditions in terms of the energy imbalances within the converter, and proposes a novel approach for dealing with imbalances. Since the energy content ...

IEEE2020

Generalized Theory on Direct Arm Energy Control in Modular Multilevel Converters

Drazen Dujic, Milan Utvic

2020

Auxiliary Submodule Power Supply for a Medium Voltage Modular Multilevel Converter

Alexandre François Christe, Marko Petkovic, Drazen Dujic, Milan Utvic, Ignacio Alejandro Polanco Lobos

2019

Flexible Medium Voltage DC Source Utilizing Series Connected Modular Multilevel Converters

Drazen Dujic, Stefan Milovanovic, Milan Utvic

This paper presents the converter configuration acting as a medium voltage DC source. In order to obtain desired voltage across the DC terminals, two series connected modular multilevel converters are used. The use of modular multilevel converters results ...

IEEE2019

Low Voltage Modular Multilevel Converter Submodule for Medium Voltage Applications

Drazen Dujic, Milan Utvic, Ignacio Alejandro Polanco Lobos

2019

Flexible Medium Voltage DC Source Utilizing Series Connected Modular Multilevel Converters

Drazen Dujic, Stefan Milovanovic, Milan Utvic

This paper presents the converter configuration acting as a medium voltage DC source. In order to obtain desired voltage across the DC terminals, two series connected modular multilevel converters are used. The use of modular multilevel converters results ...

2019

Swiss Competence Center on Energy Research FURIES - Overview and Contributions in the Area of Power Electronics and Smart Grids

Farhad Rachidi-Haeri, Mario Paolone, Jin Wang, Alexandre François Christe, Reza Razzaghi, Drazen Dujic, Mauro Carpita, Stefan Milovanovic, Milan Utvic

This paper introduces a special session on results of the Swiss competence center on energy research FURIES that has been established in coordination with the Swiss Energy strategy 2050 with the specific aim to develop, promote and deploy power grid-relate ...

2019