Inspec keywords: HVDC power transmission; switching convertors; fault current limiters; short-circuit currents; power grids; HVDC power convertors; power transmission reliability; circuit breakers; power transmission control

Other keywords: reliable HVDC grid; series connection; hybrid HVDC CB; stored energy circuit; mechanical HVDC circuit breakers; HVDC currents; breaking speed; current-limiting HVDC circuit breaker; short-circuit faults; instantaneous trigger solid-state switch; buffer circuit; operating speed; electronic switching devices; equalising circuit; control strategy; fault pretreatment; parallel connection

Subjects: Control of electric power systems; d.c. transmission; Reliability; Power system control; Switchgear; Protection apparatus