In this paper, the principle of modularity is used to derive the different multilevel voltage and
current source converter topologies. The paper is primarily focused on high-power …

Modular multilevel converters (MMCs) have paved the way for power electronics in very
demanding application areas. While becoming the worldwide standard for high-voltage dc …

Modular multilevel converters have several attractive features such as a modular structure,
the capability of transformer-less operation, easy scalability in terms of voltage and current …

Theory for the dynamics of modular multilevel converters is developed in this paper. It is
shown that the sum capacitor voltage in each arm often can be considered instead of the …

In this paper, a simplified nearest level control balancing method for modular multilevel
converter is presented. The proposed method neither requires individual sorting of the …

Modular multilevel converters (MMC) are considered a top converter alternative for voltage-
source converter (VSC) high-voltage, direct current (HVDC) applications. Main circuit design …

The modular multilevel converter (MMC) is an emerging topology for high-power
applications and is considered as the development trend of the high-voltage power …

The fundamental frequency component in the arm currents of a modular multilevel converter
is a necessity for the operation of the converter, as is the connection and bypassing of the …

In the future, new aspects from decentralized generation using different dc voltage levels are
expected to influence the general concept of power exchange. Converter are needed to …

During recent years, silicon carbide (SiC) power electronics has gone from being a
promising future technology to being a potent alternative to state-of-the-art silicon (Si) …