Publications by Marko Petkovic

Terminal Characteristics Measurements and Analysis of the Three-Phase Active Front End Converter Building Block

The safe and reliable operation of modern power system imposes the need to describe and estimate the system stability through impedance-admittance measurement and identification. The integration and operation of medium voltage equipment in existing infrast ...

Wiley2021

Medium Voltage Impedance and Admittance Measurement and System Identification Techniques

Marko Petkovic

The recent trend of an increasing share of renewable energy sources in modern power systems, as well as the integration of power electronics equipment, is shaping the requirements for stable grid infrastructure. These requirements mainly come from the stab ...

EPFL2021

Hardware-in-the-Loop Characterization of Source-Affected Output Characteristics of Cascaded H-Bridge Converter

Marko Petkovic, Drazen Dujic

Recent trends in power system design such as an increasing share of renewable energy sources and integration of power electronics equipment for medium voltage applications are creating different subsystem interactions that require proper investigation, und ...

2021

Single-Phase Measurement of the Output Impedance of the Four-Quadrant Cascaded H-Bridge Converter Cell Using Wideband Signals

Marko Petkovic, Drazen Dujic

The development and integration of power electronics equipment and converters for medium voltage ac and dc application has created different subsystem interactions that require proper investigation, understanding, description and estimation of global syste ...

IEEE2020

Flexible Medium-Voltage Perturbation Injection Converter for AC and DC System Identification

Marko Petkovic, Drazen Dujic, Stefan Milovanovic

2020

Identification of Source-Affected Output Characteristics of a Four-Quadrant Cascaded H-Bridge Converter Cell

Marko Petkovic, Drazen Dujic

The development and integration of power electronics equipment and converters for medium voltage ac and dc application has created different subsystem interactions that require proper investigation, understanding, description and estimation of global syste ...

IEEE2020

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

Benchmark Study on Impedance Identification Methods for Grid Connected Converters

Marko Petkovic, Drazen Dujic

2019

Cascaded H-Bridge Multilevel Converter for a High-Power Medium-Voltage Impedance-Admittance Measurement Unit

Marko Petkovic, Drazen Dujic, Francisco Daniel Freijedo Fernández, Nicolai Hildebrandt

Recent trends in power system design and inclusion of renewable energy sources and smart grids are creating different subsystem interactions that require proper investigation, understanding, describing and estimating global system stabilitythrough impedanc ...

2018

Medium Voltage Impedance-Admittance Measurement System Based on the Cascaded H-Bridge Multilevel Converter

Marko Petkovic, Drazen Dujic, Francisco Daniel Freijedo Fernández, Nicolai Hildebrandt

Recent trends in power system design such as an increasing share of renewable energy sources and smart grids are creating different subsystem interactions that require proper investigation, understanding, describing and estimating global system stability t ...

2018

Evaluation of 1.7 kV SiC MOSFETs for a Regenerative Cascaded H-Bridge Multilevel Converter Cell

Marko Petkovic, Drazen Dujic, Nicolai Hildebrandt

High fidelity AC grid emulators allow early testing and qualification of various equipment under conditions close to those expected in reality. Realizing this at medium voltage high power level is associated with certain challenges, some of which are discu ...

2018