A HIGH VOLTAGE DC BREAKER APPARATUS

A high voltage DC breaker apparatus configured to break a fault current occurring in a high voltage DC conductor includes a current limiting arrangement having at least one section with at least one semiconductor device of turn-off type and at least one arrester connected in parallel therewith, and...

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Bibliographische Detailangaben
Hauptverfasser: ASPLUND, GUNNAR, HAEFNER, JURGEN
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung:A high voltage DC breaker apparatus configured to break a fault current occurring in a high voltage DC conductor includes a current limiting arrangement having at least one section with at least one semiconductor device of turn-off type and at least one arrester connected in parallel therewith, and a mechanical DC breaker connected in series with the current limiting arrangement and including a mechanical switch. The mechanical DC breaker is configured to enable breaking of a fault current in said DC conductor once said semiconductor devices of said arrangement have been turned off.