A Data-Driven Condition Monitoring Method for Capacitor in Modular Multilevel Converter (MMC)

no code implementations • 20 Apr 2024 • Shuyu Ou, Mahyar Hassanifar, Martin Votava, Marius Langwasser, Marco Liserre, Ariya Sangwongwanich, Subham Sahoo, Frede Blaabjerg

The modular multilevel converter (MMC) is a topology that consists of a high number of capacitors, and degradation of capacitors can lead to converter malfunction, limiting the overall system lifetime.

Modelling of AC/DC Interactions of Converter-Interfaced Resources for Harmonic Power-Flow Studies in Microgrids

no code implementations • 15 Jun 2022 • Johanna Kristin Maria Becker, Andreas Martin Kettner, Yihui Zuo, Federico Cecati, Sante Pugliese, Marco Liserre, Mario Paolone

Power distribution systems experience a large-scale integration of Converter-Interfaced Distributed Energy Resources (CIDERs).

Harmonic Power-Flow Study of Polyphase Grids with Converter-Interfaced Distributed Energy Resources, Part II: Model Library and Validation

no code implementations • 23 Jun 2021 • Johanna Kristin Maria Becker, Andreas Martin Kettner, Lorenzo Reyes-Chamorro, Zhixiang Zou, Marco Liserre, Mario Paolone

the number of CIDERs and the maximum harmonic order ($\leqslant$25).

Harmonic Power-Flow Study of Polyphase Grids with Converter-Interfaced Distributed Energy Resources, Part I: Modelling Framework and Algorithm

no code implementations • 23 Jun 2021 • Andreas Martin Kettner, Lorenzo Reyes-Chamorro, Johanna Kristin Maria Becker, Zhixiang Zou, Marco Liserre, Mario Paolone

In this paper, a method for the calculation of the so-called Harmonic Power-Flow (HPF) in three-phase grids with CIDERs is proposed.

Computational Efficiency