In recent years, dc distribution grids have become increasingly popular because of the
interest in the diffusion of distributed renewable energy. In this scenario, dc distribution grids …

This paper presents a performance evaluation in terms of applicability, response times,
energy dissipation, passive components and power semiconductors requirements of the four …

Direct current (dc) power system protection presents a major challenge due to its unique
characteristics, namely the absence of natural zero current crossing points. Thanks to their …

The increasing demand for the development and utilization of renewable energy resources
has lead to a growing interest in the development of LVDC systems. The dc grid provides …

To protect HVdc grids from dc faults, the concept of a hybrid dc circuit breaker is widely
accepted due to its low conduction losses and fast interruption speed. For a well-built dc …

High voltage direct current (HVDC) systems are now well integrated into AC systems in
many jurisdictions. The integration of renewable energy sources (RESs) is a major focus …

This article presented a new hybrid circuit breaker solution for using in dc microgrids. The
proposed solution can offer a high-reliability protection feature for the dc microgrid with low …

Recently, a growing number of dc systems exist based on the development of electrical
energy consumption. For low-voltage dc grids, switching devices are needed that have to …

The inclusion of a large number of controllable semiconductor devices in conventional
hybrid dc circuit breakers (HCBs) may significantly increase the cost of an HVdc grid …

Advancements in power-electronic devices as well as the transition to new electrical power
sources make the application of multiterminal medium voltage DC grids feasible. In order to …