The DC microgrid has become a typical distribution network due to its excellent
performance. However, a well-designed protection scheme still remains a challenge for DC …

In this paper, a new mode of operation has been introduced for packed U-cell (PUC)
inverter. A sensor-less voltage control based on redundant switching states is designed for …

Overall performance of the voltage source converters (VSCs) has improved during the
recent years. Improvement of the VSCs along with the attractive features of the VSC-based …

High‐voltage direct current (HVDC) transmission systems are nowadays ideal candidates
for interconnecting renewable energy resources to the electrical grids. This study presents a …

Current interruption in dc circuits is more challenging than in their ac counterparts due to the
absence of natural current zero-crossing and resistive nature of the dc grids. This article …

An approach for testing the operation and coordination of medium-voltage dc solid state
circuit breakers (SSCB) for shipboard power systems is described. For the considered …

Electric propulsion and integrated hybrid power systems can improve the energy efficiency
and fuel consumption of different kinds of vessels. If the vessel power system is based on …

Presently available dc breakers fall into three categories, mechanical, static, and hybrid dc
breakers. With the advent of dc generation, loads, and circuits dc breakers are required for …

This article combines a mechanical DCCB and commutation circuit charged by resistive
superconducting element to study the HVDCGCB arc interruption process during fault …

Arc interruption of high voltage direct current (HVDC) circuit breakers (CBs) is one of the
main challenging factors for using HVDC grids. To evaluate the arc interrupting capability in …