Apparatus and method for generating a defined charge pulse...

Details Apparatus and method for generating a defined charge pulse... Apparatus and method for generating a defined charge pulse...

G - Physics

01

R

G01R 31/14 (2006.01)

Patent

CA 2708707

A calibrator apparatus for calibrating the performance of partial discharge measurements at electrical components, such as high voltage cables or transformators, comprises a housing (1) and an external electrode (4) to be mounted at the housing (1). A control unit (2) generates a defined charge pulse (QS) depending on a stray capacitance (Cs) of the external electrode (4) against ground, which is supplied to the electrical component.

L'invention concerne un dispositif de calibrage pour calibrer la réalisation de mesures de décharges partielles sur des composants électriques, par exemple des câbles à haute tension ou des transformateurs, comprenant un boîtier (1) et une électrode extérieure (4) à monter sur le boîtier (1). Une unité de commande (2) génère une impulsion de charge (Qs) donnée en fonction d'une capacité de fuite (Cs) de l'électrode extérieure (4) par rapport à la terre et ladite impulsion de charge (Qs) est acheminée aux composants électriques.

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