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 …

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 …

This paper presents the test results of an ultrafast (less than 2 ms) medium-voltage hybrid dc
circuit breaker prototype that consists of three switching devices: a 15-kV silicon carbide …

The use of semiconductors for electric power circuit breakers instead of conventional
breakers remains a utopia when designing fault current interrupters for high power networks …

The series-type hybrid circuit breaker (S-HCB) is an effective solution for ultrafast dc fault
protection. However, the introduction of multiple energy storage (ES) capacitors and fully …

Hybrid DC circuit breakers (HDCCBs) have excellent performance in terms of breaking
speed and low losses and have become the mainstream technology for dc fault isolation in …

Owing to the increased demand for DC interruption, a prototype current-limiting hybrid DC
circuit breaker incorporating a fuse and a semiconductor device was developed, based on a …

This paper discusses the design of a 10 kV and 200 A hybrid dc circuit breaker suitable for
the protection of the dc power systems in electric ships. The proposed hybrid dc circuit …

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 …

The direct current circuit breakers are considered a promising option to protect the
transmission line against commonly appearing line-to-ground fault. However, the challenges …