Schneider Electric Industries Sas

Audrey Olivier

Sebastien Buffat

David Loglisci

Michel Rapeaux

David Granier

Philippe Brunel

Sébastien Buffat

François Roubardeau

Alain Karczewski

Nadine Serrano

Stéphane Sicard

The Rogowski coil type sensor for measuring current includes a carrier and at least one secondary winding. The winding includes: at least one internal layer with a high turn density, which layer is wound in an 'outward' first winding direction from the first end to a second opposite end of the winding, and at least one external layer with a low turn density, which layer is wound in a 'return' second winding direction. The external layer with a low turn density includes: a first compensating portion with a high turn density, which portion is of small length and close to the first end, a central portion with a low turn density, which portion is of large length, and a second compensating portion with a high turn density, which portion is of small length and close to the second end.

Rogowski coil type sensor for measuring current, measuring device and electrical circuit breaker including such a sensor, and method for winding such a sensor

A device comprises elements for measuring current, the elements being housed in a casing. The casing includes a first portion and a second portion made of plastic, welded to each other, which together define a housing for receiving the measuring elements. The first portion is opaque in order to absorb a laser beam for welding the portions, and the second portion is transparent in order to let the laser beam pass. The process for manufacturing the device includes a fitting step in which the measuring elements are fitted into the casing and an assembly step in which the portions of the casing are joined together using a laser welding process.

Device comprising elements for measuring current and process for manufacturing such a device

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Teche, France

Audrey Olivier