High voltage ac/dc or dc/ac converter station with...

Details High voltage ac/dc or dc/ac converter station with... High voltage ac/dc or dc/ac converter station with...

G - Physics

01

R

G01R 19/00 (2006.01) H02B 7/00 (2006.01) H02J 13/00 (2006.01) H02M 7/00 (2006.01)

Patent

CA 2731688

The DC current in a high voltage AC/DC or DC/AC converter station (3) is measured by means of the Faraday effect in one or more loops of an optical sensing fiber (7) located at the base (5a) of a bushing (5) extending through a wall (3a) of the hall (3). This arrangement exploits the fact that the base (5a) of the bushing (5) is at ground potential, which simplifies mounting work and maintenance.

Selon l'invention, le courant continu (CC) dans un poste de conversion CA/CC ou CC/CA haute tension (HT) (3) est mesuré au moyen de l'effet Faraday dans une ou plusieurs boucles d'une fibre de détection optique (7) placée à la base (5a) d'une traversée (5) s'étendant à travers une paroi (3a) du poste (3). Cet agencement exploite le fait que la base (5a) de la traversée (5) est au potentiel de masse, ce qui simplifie le travail de montage et la maintenance.

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