A modular voltage source converter

Details A modular voltage source converter A modular voltage source converter

H - Electricity

02

M

H02M 1/32 (2007.01) H02M 7/793 (2006.01)

Patent

CA 2754960

Voltage source converter based on a chain-link cell topology, said converter comprising one or more phases (L1, L2, L3), each of said phases comprising one or more series- connected chain- link cell modules connected to each other, an output voltage of said voltage source converter is controlled by control signals applied to said cell modules. In case of failure of a chain- link cell module that module is controlled, by said control signals, such that zero output voltage is provided at its output voltage AC terminal.

L'invention porte sur un convertisseur de source de tension fondé sur une topologie cellulaire en chaîne, ledit convertisseur comportant une ou plusieurs phases (L1, L2, L3), chacune desdites phases comportant un ou plusieurs modules cellulaires en chaîne connectés en série et les uns aux autres, une tension de sortie dudit convertisseur de source de tension étant commandée par des signaux de commande appliqués auxdits modules cellulaires. Dans le cas d'une défaillance d'un module cellulaire en chaîne, ce module est commandé, par lesdits signaux de commande, de telle sorte qu'une tension de sortie nulle est fournie à sa borne CA de tension de sortie.

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