Tap changer with semiconductor switching elements

Details Tap changer with semiconductor switching elements Tap changer with semiconductor switching elements

H - Electricity

01

H

H01H 9/00 (2006.01)

Patent

CA 2757946

The invention relates to an on-load tap changer comprising semiconductor switching elements for uninterrupted switching between winding taps of a tapped transformer. According to the invention, contact bars are provided which extend in the direction of the path of the fixed tap contacts and can be contacted using contact bridges that can be jointly moved by a contact slide in such a way that direct electrical connections to the charge diverter and electrical connections to the inputs and the output of the semiconductor switching elements can be established.

L'invention concerne un changeur de prises en charge comportant des éléments de commutation à semi-conducteurs pour la commutation sans interruption entre des prises de l'enroulement d'un transformateur à gradins. Selon l'invention, des rails de contact s'étendant en direction de la piste de contacts de prises fixes, qui peuvent être connectés par des ponts de contact déplacés par un élément de contact coulissant, afin de permettre des raccordements électriques directs aussi bien avec la dérivation de charge qu'avec les entrées et la sortie des éléments de commutation à semi-conducteurs.

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