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 …

A new series-type hybrid circuit breaker (S-HCB) concept for dc fault protection is reported
that is fundamentally different from other prior-art hybrid circuit breakers (HCB) or solid-state …

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 …

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 …

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 …

The series-type hybrid circuit breaker (S-HCB) is an attractive solution for fault protection in
medium and low-voltage dc distribution networks, effectively suppressing fault current rise …

Protection against circuit faults represents a major technical challenge in the emerging dc
transmission and distribution power networks. A popular prior-art dc hybrid circuit breaker …

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 …

With the deployment of DC power systems, DC circuit breakers are gaining attention in DC
system protection as well as load and circuit operation. Different types of DC breakers are …

DC fault current interruption speed, low on-state resistance, reliability, and efficiency are
critical key metrics for DC circuit breakers. Mechanical breakers typically provide low on …