Circulating current reduction in MMC-HVDC system using average model

K Hafeez, SA Khan, A Van den Bossche, QU Hasan - Applied Sciences, 2019 - mdpi.com
Modular multilevel converters (MMCs) are quickly emerging as a suitable technology for a
voltage-source converter-based high-voltage direct-current (VSC-HVDC) transmission …

Real-Time Implementation of Three-Phase Z Packed U-Cell Modular Multilevel Grid-Connected Converter Using CPU and FPGA

S Atanalian, F Sebaaly, R Zgheib, K AL-Haddad - Electronics, 2024 - mdpi.com
The Modular Multilevel Converter (MMC) is a promising converter for medium-/high voltage
applications due to its various features. The waveform quality could be enhanced further by …

Back-to-Back HVDC modular multilevel converter for transient voltage dip mitigation in passive networks

T Hoehn, T Slettbakk, F Blanquez… - 2019 21st European …, 2019 - ieeexplore.ieee.org
For nuclear research laboratories like CERN, where the exceptionally high power quality
conditions are required, the immunity against transient voltage dips is of vital importance. By …

Development of a power quality conditioning system for particle accelerators

TE Slettbakk - 2018 - cds.cern.ch
CERN is frequently experiencing power quality problems caused by transient voltage dips
originating from the outside grid, causing issues with electrical equipment and, in the worst …

A new control strategy for MMC under grid voltage unbalance condition

W Sun, Q Cheng, Y Cheng, F Tan, T Li… - … on Electrical Energy …, 2019 - Wiley Online Library
Modular multilevel converter (MMC) is easy to realize more voltage levels, and its structure
is easy to connect back to back. It is suitable for high‐voltage direct current (HVDC) …

Compound control for power quality in grid-connected wave energy system

T Li, D Zhao, Y Zhang, S Li - 2021 4th International Conference …, 2021 - ieeexplore.ieee.org
Combined with the rapid volatility and spatial distribution characteristics of wave energy, the
output power of wave energy devices is relatively unstable. When the wave energy device …

Modular multilevel converter based bus bar in flexible substation

Z Chai, G Wang, Z Ou, D Liu… - 2017 IEEE Transportation …, 2017 - ieeexplore.ieee.org
This paper proposes a new Modular Multilevel Converter (MMC) based bus bar. Compared
with the traditional bus bar, it can not only realize power control and reactive power …

Suppressing circulating current in the modular multilevel converter using line-to-line voltage correction modules

ST Harave, F Mancilla-David - 2019 North American Power …, 2019 - ieeexplore.ieee.org
The minimization of circulating currents is a major technical challenge in the modular
multilevel converter (MMC) topology. Circulating currents are an inherent property of the …

Advances in multi-terminal HVDC transmission systems: nonlinear controllers for modular multilevel converters

GC de Oliveira - 2020 - theses.hal.science
MMC is a very important topic in the context of high voltage direct-current transmission
systems applications. This topology is suitable for several applications, as a result of smaller …

Asymetrický modulární víceúrovňový měnič

M Eva - 2021 - dspace.cvut.cz
Tato diplomová práce se zabývá víceúrovňovým modulárním měničem s asymetrickou
topologií modulu (A-MMC). V teoretické části popisuje jeho topologii, funkci, modulační …