Pipeline communication system

Details Pipeline communication system Pipeline communication system

H - Electricity

04

B

H04B 13/00 (2006.01) F17D 3/00 (2006.01) H04B 13/02 (2006.01) H04L 7/02 (2006.01) H04L 27/148 (2006.01)

Patent

CA 2267334

A pipeline communication system employs the pipeline (10) and the adjacent ground and includes branches with junctions (11 and 12). Governor modules (14) and transformer/rectifiers form part of the network. Monitors (16, 17 and 18) periodically provide information to the network controller (20). The system control (22) receives information via outstation (21) to provide two way communication and control using the pipeline and the adjacent ground as conductors. Typically the information in the form of fast frequency shift keying modulation is superimposed on the cathodic pipe protection system.

Dans ce système de communication à canalisation comprenant des dérivations avec des jonctions (11), on utilise la canalisation (10) et le sol adjacent. Des modules régulateurs (14) ainsi que des redresseurs/transformateur font partie du réseau. Des moniteurs (16, 17, 18) fournissent périodiquement des informations à l'ordinateur de gestion de réseau (20). L'organe de commande du système (20) reçoit des informations via la station d'extrémité, afin de permettre une communication et une commande bilatérales au moyen de la canalisation et du sol adjacent en tant que conducteurs. Généralement, les informations sous la forme de modulation par déplacement de phase à fréquence rapide se superposent sur le système de protection du tuyau cathodique.

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