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

HVDC systems are playing an increasingly significant role in energy transmission due to
their technical and economic superiority over HVAC systems for long distance transmission …

Over the last few decennia, power DC/DC converters have been the subject of great interest
due to its extensive increment of utilization in different applications. A thorough review on …

The change rate of the dc reactor voltage with predefined protection voltage thresholds is
proposed to provide fast and accurate dc fault detection in a meshed multiterminal HVDC …

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 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 …

Modular multilevel converter (MMC) is an excellent topology for medium-and high-voltage
applications due to its advantages over other multilevel converters. However, the control …