Multi-layer transformer having electrical connection in a...

H - Electricity – 01 – F

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Details

H01F 27/28 (2006.01) H01F 1/36 (2006.01) H01F 30/06 (2006.01)

Patent

CA 2401254

A method, apparatus, and article of manufacture for a multi-layer transformer (132) includes a plurality of layers (168-174) having a magnetic core area (114) disposed on each of the layers forming a magnetic core of the transformer having a primary winding (126, 128) disposed on at least one of the layers, and a secondary winding (178, 180) disposed on at least one of the layers. A plurality of interconnecting vias (130) connect the primary winding between the layers, and a second plurality of interconnecting vias (130) connect the secondary winding between the layers. The interconnecting vias are disposed proximate a center of the magnetic core of the transformer, thus, reducing the overall volume, size, weight, and cost of a transformer while meeting regulatory isolation safety requirements.

L'invention concerne un procédé, un appareil et un article manufacturé permettant la réalisation d'un transformateur multicouche (132) comprenant une pluralité de couches (168-174), sur chacune desquelles est disposée une zone (114) du type noyau magnétique formant le noyau magnétique du transformateur, un enroulement primaire (126, 128) étant disposé sur l'une desdites couches au moins, un enroulement secondaire (178, 180) étant disposé sur l'une desdites couches au moins. Une pluralité de trous (130) d'interconnexion assurent la connexion de l'enroulement primaire entre les couches, et une seconde pluralité de trous (130) d'interconnexion assurent la connexion de l'enroulement secondaire entre les couches. Les trous d'interconnexion sont pratiqués à proximité du centre du noyau magnétique du transformateur, ce qui permet de réduire le volume, la taille, le poids et le coût général du transformateur tout en satisfaisant aux exigences réglementaires en matière de sécurité de l'isolation.

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