A sampling module and a method of sampling one or more...

G - Physics – 01 – R

Patent

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Details

G01R 19/25 (2006.01) G01R 15/14 (2006.01) H03M 3/02 (2006.01)

Patent

CA 2626569

The invention relates to a sampling module (30), for sampling one or more analogue characteristics of a power transmission system, comprising at least one input circuit for sampling a respective analogue characteristic, the or each input circuit including: a scaling circuit (34) for reducing the magnitude of the analogue characteristic to a desired level; an isolating circuit (40) for creating an electrical barrier between respective upstream and downstream portions of the input circuit; and an analogue to digital converter (22) for digitising the analogue characteristic to produce a digital data stream, the scaling circuit (34) being electrically connected to an input of the analogue to digital converter (22) and the isolating circuit (40) being electrically connected directly to an output thereof.

L~invention concerne un module d~échantillonnage (30) qui échantillonne une ou plusieurs caractéristiques analogiques d~un système de transmission d~énergie et qui comprend au moins un circuit d~entrée échantillonnant une caractéristique analogique respective, le circuit d'entrée ou chacun d~eux comprenant : un circuit de dimensionnement (34) qui abaisse l~amplitude de la caractéristique analogique à un niveau désiré ; un circuit d~isolation (40) créant une barrière électrique entre les parties amont et aval respectives du circuit d~entrée ; et un convertisseur analogique/numérique (22) pour numériser la caractéristique analogique et produire un flux de données numériques, le circuit de dimensionnement (34) étant raccordé électriquement à une entrée du convertisseur analogique/numérique (22) et le circuit d~isolation (40) étant directement raccordé électriquement à une sortie de celui-ci.

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