System and method for predicting performance of electrical...

G - Physics – 06 – F

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G06F 17/00 (2006.01)

Patent

CA 2620226

A computer simulation method is disclosed for simulating an electrical cable having a stranded conductor surrounded by a conductor shield encased in an insulation jacket and having an interstitial void volume in the region of the conductor injected with a fluid composition comprising at least one dielectric enhancement fluid component so as to at least partially fill the interstitial void volume at an initial time. The simulation method comprises for a selected length of the simulated cable, defining a plurality of radially arranged finite volumes extending the selected length of the simulated cable, and estimating the radial temperature of each finite volume. For a selected time period after the initial time, performing a series of steps at least once and outputting or otherwise using the value of the new concentration for the dielectric enhancement fluid component within each finite volume.

L'invention concerne un procédé de simulation informatique permettant de simuler un câble électrique ayant un conducteur toronné entouré d'un blindage du conducteur enveloppé dans une gaine d'isolation et ayant un espace vide interstitiel dans la zone du conducteur dans lequel on a injecté une composition fluidique comprenant au moins un composant fluidique de renfort diélectrique de façon à remplir au moins partiellement l'espace vide interstitiel à un moment initial. Le procédé de simulation comprend une longueur choisie du câble simulé, définissant plusieurs espaces finis disposés radialement prolongeant la longueur choisie du câble simulé, et estimant la température radiale de chaque espace fini. Pendant une période choisie après le moment initial, une série d'étapes est exécutée au moins une fois et on sort ou on utilise la valeur de la nouvelle concentration du composant fluidique de renfort diélectrique dans chaque espace fini.

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