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1. WO2016142439 - CURRENT SENSOR FOR MEASURING AN ALTERNATING CURRENT

Publication Number WO/2016/142439
Publication Date 15.09.2016
International Application No. PCT/EP2016/055060
International Filing Date 09.03.2016
Chapter 2 Demand Filed 06.01.2017
IPC
G01R 15/18 2006.01
GPHYSICS
01MEASURING; TESTING
RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
15Details of measuring arrangements of the types provided for in groups G01R17/-G01R29/, G01R33/-G01R33/26176
14Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
18using inductive devices, e.g. transformers
CPC
G01R 15/181
GPHYSICS
01MEASURING; TESTING
RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
15Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00 and G01R33/00 - G01R35/00
14Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
18using inductive devices, e.g. transformers
181using coils without a magnetic core, e.g. Rogowski coils
Applicants
  • SOCOMEC [FR]/[FR]
Inventors
  • KERN, Christian
Agents
  • KOELBEL, Caroline
Priority Data
155198410.03.2015FR
Publication Language French (FR)
Filing Language French (FR)
Designated States
Title
(EN) CURRENT SENSOR FOR MEASURING AN ALTERNATING CURRENT
(FR) CAPTEUR DE COURANT POUR MESURER UN COURANT ALTERNATIF
Abstract
(EN)
Current sensor for measuring an alternating current. The invention relates to a current sensor provided with an electric coil (5) made in the form of a printed circuit. Its closed contour is inscribed within a rectangle delimiting a through window (9) for passing a primary conductor (2). It comprises four rectilinear segments (TR), linked in pairs by a circular sector (SC), delimited by an interior arc (10) and an exterior arc (11). It comprises, in its circular sectors (SC), additional turns (13), which extend from the exterior arc (11) to an intermediate arc (14) disposed between the interior arc (10) and the exterior arc (11). They are interposed between the main turns (12) in such a way that the spacing between two consecutive turns (12, 13) on the exterior arc (11) is equal to the spacing P of the main turns (12) in the rectilinear segments (TR) and that the mean density of turns is almost constant in the electric coil (5).
(FR)
Abrégé Capteur de courant pour mesurer un courant alternatif L'invention concerne un capteur de courant pourvu d'une bobine électrique (5) réalisée sous la forme d'un circuit imprimé. Son contour fermé s'inscrit dans un rectangle délimitant une fenêtre de passage (9) pour un conducteur primaire (2). Elle comporte quatre tronçons rectilignes (TR), reliés deux à deux par un secteur circulaire (SC), délimité par un arc intérieur (10) et un arc extérieur (11). Elle comporte, dans ses secteurs circulaires (SC), des spires additionnelles (13), qui s'étendent de l'arc extérieur (11) vers un arc intermédiaire (14) disposé entre l'arc intérieur (10) et l'arc extérieur (11). Elles sont intercalées entre les spires principales (12) de telle sorte que le pas entre deux spires (12, 13) consécutives sur l'arc extérieur (11) soit égal au pas P des spires principales (12) dans les tronçons rectilignes (TR) et que la densité moyenne de spires soit quasi constante dans la bobine électrique (5).
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