Modeling and control method for a three-level hybrid modular multilevel converter

J Liu, D Zhang, D Dong - IEEE Transactions on Power …, 2021 - ieeexplore.ieee.org
The modular multilevel converter (MMC) is one of the most favored topologies for medium
and high voltage applications. However, the drawbacks, such as lots of capacitors and …

A four-level modular multilevel converter with self voltage balancing and extremely small DC capacitor

Y Liu, FZ Peng - 2019 IEEE Applied Power Electronics …, 2019 - ieeexplore.ieee.org
The modular feature of modular multilevel converter (MMC) makes it stand out for
medium/high voltage applications. However, as the number of sub-modules increases, the …

A hybrid modular multilevel converter family with higher power density and efficiency

J Liu, D Dong, D Zhang - IEEE Transactions on Power …, 2021 - ieeexplore.ieee.org
Modular multilevel converter (MMC) has many advantages of scalability, reliability and easy
implementation, but suffers from large number of switching devices and capacitors. To …

Enhanced hybrid modular multilevel converter with improved reliability and performance characteristics

R Razani, MH Ravanji… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
This paper proposes an enhanced hybrid modular multilevel converter (MMC), which utilizes
a combination of half-bridge submodules (HBSM) and at least one full-bridge submodule …

A hybrid half‐bridge submodule‐based DC–DC modular multilevel converter with a single bidirectional high‐voltage valve

A Elserougi, I Abdelsalam… - IET Generation …, 2023 - Wiley Online Library
Abstract Modular Multilevel Converters (MMCs) are promising candidates for high‐voltage
high‐power applications. The main challenge of the MMCs is the zero‐frequency operation …

Three-phase modular multilevel converter with optimized capacitor sizing for low-voltage applications

T Younis, P Mattavelli, I Toigo… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
High capacitance requirement is a major concern of modular multilevel converters (MMCs)
when applied to medium-or low-voltage systems. This article presents the design procedure …

Control of parallel-connected modular multilevel converters

F Gao, D Niu, H Tian, C Jia, N Li… - IEEE Transactions on …, 2014 - ieeexplore.ieee.org
The modular multilevel converter (MMC) is an emerging and highly attractive multilevel
converter topology for high-voltage and high-power applications. This paper proposes the …

Bifurcate modular multilevel converter for low‐modulation‐ratio applications

Y Chang, X Cai, J Zhang, G Shi - IET Power Electronics, 2016 - Wiley Online Library
In this study, a novel modular multilevel converter (MMC) topology for low‐modulation
applications is proposed. The proposed topology has two three‐phase AC ports and is …

Configuration and operation of nine-arm modular multilevel converter with improved hybrid submodules

F Qin, F Gao, Y Tang, T Xu, J Wang… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
This article proposes a new nine-arm modular multilevel converter (9A-MMC) with improved
hybrid submodules for middle arms. In specific, the middle arms are formed by the …

A new quasi three-level hybrid modular multilevel converter

X Wei, S Lu, X Deng, S Li - 2018 IEEE International Power …, 2018 - ieeexplore.ieee.org
In view of the limitations of the traditional Modular Multilevel Converter (MMC) in the prior art,
a novel quasi three-level hybrid MMC is proposed in this paper. This novel topology inherits …