Achieving fast and efficient circuit protection is critical to direct current (DC) system safety
with many scholars focusing on hybrid direct current circuit breakers (DCCBs) to achieve this …

Achieving high-speed circuit protection is critical to direct current (DC) system safety.
However, direct current circuit breaker (DCCB) fault isolation capability is limited by …

The switching control and MOV design optimization in the main circuit breaker (MCB) of a
progressively switched hybrid DC circuit breaker (DCCB) is presented. A progressively …

The use of a DC circuit breaker to open and isolate DC faults in a flexible DC grid is one of
the simplest and most reliable methods for handling DC faults. However, current limiting …

Reliability of DC grid is measured in terms of fault interruption time of the switchgear. Unlike
AC systems, DC systems do not encounter zero crossing of fault current. Hence the DC …

The increasing demand for development and utilization of renewable energy sources has
led to a growing interest in DC transmission and distribution systems. However, lack of a …

The hybrid solid-state DC circuit breakers (DC CBs) have become one of the most promising
technologies to address the protection challenges within multi-terminal DC (MTDC) grids …

The demand for DC circuit protection products continues to grow as industry sectors such as
electrical vehicles, energy storage and data centers further expand. It drives the need for …

This paper presents a hybrid circuit breaker (HCB) which is suitable for fast fault interruption
in medium voltage dc (MVDC) systems. Proposed topology employs an actively switched …

Solid-state switch is one of the key components of hybrid DC circuit breaker (HDCCB). This
paper proposed a bidirectional solid-state switch which is composed of series-connected …