Modular multilevel converters: Recent achievements and challenges

MA Perez, S Ceballos, G Konstantinou… - IEEE Open Journal …, 2021 - ieeexplore.ieee.org
The modular multilevel converter (MMC) is currently one of the power converter topologies
which has attracted more research and development worldwide. Its features, such as high …

Review of dual-active-bridge converters with topological modifications

L Li, G Xu, D Sha, Y Liu, Y Sun… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
The dual-active-bridge (DAB) converters inherit favorite features including zero-voltage
switching (ZVS) capability, wide voltage range, and natural bidirectional power flow. Facing …

Three-port bidirectional operation scheme of modular-multilevel DC–DC converters interconnecting MVDC and LVDC grids

S Zhao, Y Chen, S Cui, BJ Mortimer… - … on Power Electronics, 2020 - ieeexplore.ieee.org
The modular-multilevel-based isolated dc–dc converter (MMDC) is an attractive solution for
the interconnection of medium-voltage (MV) and low-voltage (LV) dc grids. With a modular …

A generic scheduling algorithm for low-frequency switching in modular multilevel converters with parallel functionality

N Tashakor, Z Li, SM Goetz - IEEE Transactions on Power …, 2020 - ieeexplore.ieee.org
Since the introduction of modular multilevel converters (MMC), various additional features
have been introduced for MMCs, among them parallel inter-module connectivity. However …

DC solid state transformer based on three-level power module for interconnecting MV and LV DC distribution systems

X Zhao, B Li, Q Fu, S Mao, D Xu, JI Leon… - … on Power Electronics, 2020 - ieeexplore.ieee.org
This article presents a dc solid state transformer based on three-level power module
(PM)(TL-DCSST) for interconnection of medium-voltage dc (MVdc) and low-voltage dc …

A comprehensive review on modular multilevel converters, submodule topologies, and modulation techniques

LAM Barros, AP Martins, JG Pinto - Energies, 2022 - mdpi.com
The concept of the modular multilevel converter (MLC) has been raising interest in research
in order to improve their performance and applicability. The potential of an MLC is …

A multiple modular isolated DC/DC converter with bidirectional fault handling and efficient energy conversion for DC distribution network

Y Wang, SZ Chen, Y Wang, L Zhu… - … on Power Electronics, 2020 - ieeexplore.ieee.org
The isolated bidirectional dc/dc converter (IBdc) plays an important role in dc buses
connection, voltage conversion, electrical isolation, and bidirectional power transmission for …

Two types of common-mode voltage suppression in medium voltage motor speed regulation system based on solid state transformer with dual DC bus

J Teng, X Sun, Y Zhang, H Fu, X Liu… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Two types of common mode voltage (CMV) exist in medium-voltage motor drive system
based on modular multilevel converter (MMC) type topology, that are, arms CMV (ACMV) …

Modular multilevel DC-DC converter with inherent bipolar operation capability for resilient bipolar MVDC grids

S Zhao, Y Chen, S Cui, J Hu - CPSS Transactions on Power …, 2022 - ieeexplore.ieee.org
Bipolar medium-voltage dc (MVDC) distribution systems are of great interests nowadays due
to its high availability and reliability. A bipolar MVDC grid can be established by the …

A Novel Voltage Balancing Control With dv/dt Reduction for 10-kV SiC MOSFET-Based Medium Voltage Modular Multilevel Converter

S Ji, L Zhang, X Huang, J Palmer… - … on Power Electronics, 2020 - ieeexplore.ieee.org
Using high voltage (HV) silicon carbide (SiC) power semiconductors in a modular multilevel
converter (MMC) is promising because it results in fewer submodules and lower switching …