Current measurement apparatus

G - Physics – 01 – R

Patent

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Details

G01R 15/18 (2006.01)

Patent

CA 2564181

The current measurement apparatus comprises a Rogowski coil (20) comprising a wire or conductor which forms a coil (22) and returns through the coil (22) as a central conductor. The coil (22) and the central conductor are formed from a single conductor or wire and, therefore, no electrical join (for example, a solder join or crimp) is required at the end of the Rogowski coil. The wire (28) used to form the coil (22) anal the central conductor (24) is insulated prior to forming the Rogowski coil. The insulated coating (30) provides better insulation between individual coils and also helps to provide a more even spacing between the coils.

Appareil de mesure de courant comprenant une bobine de Rogowski (20) composée d'un fil ou d'un conducteur constituant une bobine (22) et retournant à travers cette bobine (22) sous forme de conducteur central. La bobine (22) et le conducteur central sont constitués par un seul conducteur ou fil et, par conséquent, aucun joint électrique, par exemple, un joint de soudure ou de sertissage, n'est nécessaire à l'extrémité de la bobine de Rogowski. Le fil (28) utilisé pour constituer la bobine (22) et le conducteur central (24) est isolé préalablement à la création de la bobine de Rogowski. Le revêtement isolant (30) permet d'obtenir une meilleure isolation entre des bobines individuelles et contribue également à créer un espacement plus régulier entre les bobines.

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