Beyond the MMC: Extended modular multilevel converter topologies and applications

P Sun, Y Tian, J Pou… - IEEE Open Journal of …, 2022 - ieeexplore.ieee.org
The unique advantages of modular multilevel converters (MMCs) have led to wide adoption
of the converter topology in high voltage dc (HVDC) transmission systems, with great …

Comparative evaluation of voltage source converters with silicon carbide semiconductor devices for high-voltage direct current transmission

K Jacobs, S Heinig, D Johannesson… - … on Power Electronics, 2021 - ieeexplore.ieee.org
Recent advancements in silicon carbide (SiC) power semiconductor technology enable
developments in the high-power sector, eg, high-voltage-direct-current (HVdc) converters for …

Review and outlook of HVDC grids as backbone of transmission system

M Wang, T An, H Ergun, Y Lan… - CSEE Journal of …, 2020 - ieeexplore.ieee.org
HVDC technology has undergone many major developments in the past decades, resulting
in higher power ratings, increased efficiency, and the availability of effective means for …

Review of hybrid multilevel converter topologies utilizing thyristors for HVDC applications

P Bakas, Y Okazaki, A Shukla, SK Patro… - … on Power Electronics, 2020 - ieeexplore.ieee.org
Hybrid multilevel converters using bidirectional thyristors and IGBTs have gained significant
interest in recent times, as they possess important features of both voltage-source and line …

Crossing thyristor branches-based hybrid modular multilevel converters for DC line faults

C Liu, F Deng, Q Heng, X Cai, R Zhu… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
The modular multilevel converter (MMC) is attractive for high-voltage direct current (HVdc)
applications. The dc line short-circuit fault is one of the key challenges for the HVdc system …

Grid-connected converters: A brief survey of topologies, output filters, current control, and weak grids operation

GV Hollweg, SA Khan, S Chaturvedi, Y Fan, M Wang… - Energies, 2023 - mdpi.com
Grid-connected converters (GCCs) are used extensively for the integration of DC power
sources with AC power sources. However, since it is a complex topic, there are many …

New hybrid thyristor-based multilevel converter with DC fault blocking capability, for HVDC applications

YN Abdelaziz, KH Ahmed… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
High voltage direct current systems are the most suitable solution for distant high-power
transmission, where modular multilevel converters (MMCs) are now utilized due to their …

An asymmetrical power module design for modular multilevel converter with unidirectional power flow

H Mao, H Jiang, L Ran, J Hu, G Qiu… - … on Power Electronics, 2022 - ieeexplore.ieee.org
Modular multilevel converters (MMCs) are widely used in grid scale power electronics. Due
to the presence of a dc component in the arm current, the MMC submodules (SMs) show an …

Double-thyristor-based protection for valve-side single-phase-to-ground faults in HB-MMC-based bipolar HVDC systems

G Li, W Liu, T Joseph, J Liang… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
The valve-side single-phase-to-ground (SPG) faults in the half-bridge modular multilevel
converter (HB-MMC)-based bipolar high-voltage direct-current (HVdc) systems induce some …

Thyristor Embedded Hybrid Modular Multilevel Converter: A New Voltage Source Converter for MV and HV Applications

JK Motwani, J Liu, A Rao, R Burgos… - … on Power Electronics, 2024 - ieeexplore.ieee.org
Compared with line-commutated converters (LCC) technology, voltage-source converters
(VSCs), exemplified by modular multilevel converters (MMCs) have emerged as a superior …