Fail-safe power control apparatus

B - Operations – Transporting – 66 – B

Patent

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Details

B66B 5/02 (2006.01)

Patent

CA 2681780

The invention relates to a fail-safe power control apparatus (3) for supplying power between an energy source (4) and the motor (5) of a transport system. The power control apparatus comprises a power supply circuit (6), which comprises at least one converter (7, 8) containing controllable change-over switches (32), and the power control apparatus comprises means (24) for controlling the converter change-over switches, a data transfer bus (10), at least two controllers (1, 2) adapted to communicate with each other, and a control arrangement (11) for controlling a first braking device, and possibly a control arrangement (43) for controlling a second braking device.

Cette invention concerne un appareil de commande à sécurité intégrée (3) conçu pour fournir de la puissance entre une source d'énergie (4) et le moteur (5) d'un système de transport. L'appareil de commande de puissance comprend un circuit d'alimentation électrique (6) qui comprend au moins un convertisseur (7,8) contenant, lui même, des commutateurs réglables (32). L'appareil de commande de puissance comprend un moyen (24) permettant de commander les commutateurs du convertisseur, un bus de transfert de données (10), au moins deux dispositifs de commande (1, 2) conçus pour communiquer l'un avec l'autre, et un équipement de commande (11) conçu pour commander un premier dispositif de freinage, et éventuellement, un équipement de commande (43) conçu pour commander un second dispositif de freinage.

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