The modular multilevel converter (MMC) is currently one of the power converter topologies
which has attracted more research and development worldwide. Its features, such as high …

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 …

This paper proposes a novel T-type multilevel inverter (MLI) based on the switched-
capacitor technique. The proposed inverter not only achieves that the maximum voltage …

Power system interconnections using high-voltage direct-current (HVDC) technologies
between different areas can be an effective solution to enhance system efficiency and …

This paper studies the dynamic behaviors of weak-grid-tied VSCs with simplified transfer
functions, which provides an accurate stability analysis and useful indications for tuning …

The valve-side ground fault in the converter station of modular multilevel converter based
high voltage direct current (MMC-HVDC) is a serious threat to the security of power systems …

It is of great significance for a voltage source converter (VSC)-based multiterminal dc (MTdc)
grid to isolate the dc fault lines within several milliseconds after dc fault. Existing protection …

Power reversal control strategies for different types of hybrid line-commutated-converter
(LCC)/modular multi-level converter (MMC) based high-voltage direct-current (HVDC) …

Short-circuit current calculation and its characteristic analysis are the foundation of selecting
circuit breakers and designing protection systems. First, a companion circuit-based method …

DC technologies will be essential building blocks for future DC distribution networks. As in
any DC system, these networks will face crucial threats imposed by short-circuit DC faults …