Design analysis and capacitance reduction of hybrid modular multilevel converters under boost ac mode

Y Zhang, Y Zhang, J Zhang, F Deng… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
This article offers an in-depth analysis of the hybrid modular multilevel converter (MMC)
working steadily under boost ac mode and proposes an improved capacitance design …

Analysis and suppression of capacitor voltage ripple for hybrid MMCs under boosted AC voltage conditions

M Li, N Dong, X Chang, H Yang… - IEEE Journal of Emerging …, 2023 - ieeexplore.ieee.org
Capacitor voltage ripple suppression is significant for hybrid modular multilevel converters
(MMCs) to reduce the capacitance, footprint, and cost. However, the existing voltage ripple …

Model predictive control method for the hybrid MMC with overmodulation operation ability in the MVDC distribution network

Q Xiao, J Xu, Y Jin, H Jia, Y Mu, H Yu… - CSEE Journal of …, 2025 - ieeexplore.ieee.org
The complicated control structure and limited dynamic performance restrict the
overmodulation operation of the hybrid modular multilevel converter (MMC) in the medium …

Analysis and Optimization of Carrier Phase Displacement Angles for Modular Multilevel Converters with PSC-PWM

B Zhang, J Yin, Q Yang, N Dai - IEEE Transactions on Power …, 2024 - ieeexplore.ieee.org
In the conventional implementations of phase-shifted carrier pulsewidth modulation (PSC–
PWM) for modular multilevel converters (MMCs), different phases normally adopt identical …

Improved AAVM and Small-Signal Model of Hybrid MMC Considering Dynamic Differences Between Full-bridge and Half-bridge Sub-modules

M Guo, Q Hao, L Ding - IEEE Transactions on Power …, 2024 - ieeexplore.ieee.org
The hybrid modular multilevel converter (MMC), which consists of half-bridge submodules
(HBSMs) and full-bridge submodules (FBSMs), is the general form of MMC. The …

A simplified control parameter optimisation method of the hybrid modular multilevel converter in the medium‐voltage DC distribution network for improved stability …

J Xu, Q Xiao, H Jia, Y Mu, Y Jin, W Lu… - IET Energy Systems …, 2024 - Wiley Online Library
To improve the stability of the hybrid modular multilevel converter (MMC), a simplified
dominant mode‐based control parameter optimisation method of the hybrid MMC system is …

An Improved Phase-Disposition Pulse Width Modulation Method for Hybrid Modular Multilevel Converter

F Zhou, X Xiang, F Ma, Y Wang, F Zhou, P Peng - Energies, 2023 - mdpi.com
The hybrid modular multilevel converter (MMC) consisting of half-bridge submodules
(HBSMs) and full-bridge submodules (FBSMs) is a promising solution for overhead lines …

Enhanced Efficiency of MV Hybrid MMC under Extended Modulation using Si/SiC devices

R Shahane, NP Rao, A Shukla - 2023 25th European …, 2023 - ieeexplore.ieee.org
The hybrid modular multilevel converter (MMC) consist of series connected half-bridge
submodules (HBSMs) and full-bridge subnodules (FBSMs) in each arms. The dc fault …

One-Leg Phase-Shifted-Carrier PWM Control of a Full Bridge Cell for Hybrid Modular Multilevel Converters operating in buck and boost modes

S Singh, M Odavic, M Smailes… - … Conversion Congress & …, 2024 - ieeexplore.ieee.org
This paper proposes a new phase-shifted-carrier (PSC) PWM-based control approach for
Hybrid modular multilevel converters (HyMMC) operating in both buck and boost modes …

Research on all-DC offshore wind power system and its control technology in consideration of wind power fluctuation

Y Chen, Z Lv, L Qu, Q Li, Q Li, Q Kang… - … Conference on AC …, 2024 - ieeexplore.ieee.org
DC transmission technology is an efficient solution to address the challenge of transmitting
large-scale offshore wind power. Prevailing projects generally adopt the AC collection-DC …