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 …

Since they were first proposed, modular multilevel converters have been strongly studied in
the literature. Due to their high component count, some concerns regarding their reliability …

Modular multilevel converter (MMC)-based solid-state transformers (SSTs) have gained
increasing interest lately. Topologies consisting of cells made of directly coupled MMC …

Reducing the capacitor voltage ripples of the half-bridge submodules (HBSM) and full-
bridge submodules (FBSM) in a hybrid modular multilevel converter (MMC) is expected to …

Full-bridge submodule (FBSM) capacitance of an FBSM-based modular multilevel converter
(FB-MMC) can achieve a significant reduction with boosted ac voltages, which makes it a …

An H-bridge hybrid modular converter (HBHMC) is proposed for high-voltage direct current
(HVDC) applications. It uses a wave-shaping circuit consisting of series-connected full …

The modular multilevel converters (MMCs) are frequently preferred for medium and high
power energy conversion systems thanks to their modular structure and high quality output …

针对低直流电压运行工况下混合型MMC 全桥子模块及半桥子模块电容电压不均衡问题,
提出了一种基于三次谐波电压注入的改善方法. 回顾了子模块电容电压不均衡问题机理 …

Modular multilevel converter with integrated battery energy storage system has been verified
as a better choice for large-scale battery energy storage system. However, battery power …

The current-limiting inductors (CLIs) are commonly used to suppress DC fault current to
safely trip DC circuit breakers in MMC-HVDC systems, but it significantly jeopardizes DC …