The dual-active-bridge (DAB) converters inherit favorite features including zero-voltage
switching (ZVS) capability, wide voltage range, and natural bidirectional power flow. Facing …

Medium-voltage dc (MVdc) technology is a promising solution to avoid the installation of
new ac networks. MVdc can provide optimum integration of large-scale renewable energy …

HVdc grids are a promising alternative for the expansion of the existing ac grid. They are
interesting for the integration of large-scale renewable energy sources, connecting high …

The modular multilevel converter (MMC) is distinguished by its modularity that is the use of
standardized submodules (SMs). To enhance reliability and avoid unscheduled …

This paper proposes a generic pole-to-pole short-circuit fault current calculation method for
dc grids. The calculation procedure begins from the simplified RLC equivalent model of a …

In this paper, power electronic transformer (PET)-based railway traction systems are
comprehensively reviewed according to the unique application features and requirements …

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 …

This study presents a comprehensive review of high‐power dc–dc converters for high‐
voltage direct current (HVDC) transmission systems, with emphasis on the most promising …

Conventional dual-active bridge topologies provide galvanic isolation and soft-switching
over a reasonable operating range without dedicated resonant circuits. However, scaling the …

The dc–dc modular multilevel converter (dc–dc MMC) with a medium-frequency ac-link
transformer is a promising candidate for the modern electric ship medium voltage dc power …