Method, system and apparatus for remote measuring of...

G - Physics – 01 – R

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G01R 21/00 (2006.01) G01R 21/06 (2006.01) G01R 21/133 (2006.01) G01R 15/14 (2006.01)

Patent

CA 2385077

A method of measuring electrical power to consumers (16a-d) in a power distribution network (12) is described. The method comprises sensing an electromagnetic field around at least one electrical conductor (12) in a power meter (30a-d) located at a consumer. The current flowing through the conductor is then derived from said sensed electromagnetic field. Instantaneous current values are stored in an electronic memory powered by said electromagnetic field. These instantaneous values or values derived from the instantaneous values are transmitted as digital information on the network to a receiver (20) provided at a distance from the power meter.

L'invention concerne un procédé permettant de mesurer l'électricité chez des consommateurs (16a-d) dans un réseau (12) de distribution d'énergie électrique. Le procédé consiste à capter un champ électromagnétique autour, au moins, d'un conducteur électrique (12) dans un compteur électrique (30a-d) situé chez le consommateur. Le courant traversant le conducteur est alors dérivé dudit champ électromagnétique. Des valeurs de courant instantanées sont stockées dans une mémoire électronique activée par ce champ électromagnétique. Ces valeurs instantanées ou les valeurs dérivés des valeurs instantanées sont transmises sous forme d'informations numériques via le réseau à un récepteur (20) placé à distance dudit compteur électrique.

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