A device in the stator of a rotating electric machine

Details A device in the stator of a rotating electric machine A device in the stator of a rotating electric machine

H - Electricity

02

K

H02K 3/40 (2006.01) H01F 3/10 (2006.01) H01F 3/14 (2006.01) H01F 27/28 (2006.01) H01F 27/32 (2006.01) H01F 27/34 (2006.01) H02K 3/14 (2006.01) H02K 3/28 (2006.01) H02K 3/48 (2006.01) H02K 3/50 (2006.01) H02K 15/00 (2006.01) H02K 15/12 (2006.01) H02K 9/19 (2006.01)

Patent

CA 2255738

A device for avoiding wear between the cables in coil-end packages on the stator (1) in a rotating electric machine comprises a resilient layer (10) in the contact area between two cables (4). The cables (4) are mutually secured by a securing device (12). The resilient layer (10) permits a certain relative movement between the cable (4) due to skewing of the resilient material and not due to sliding in the contact area. The thickness of the resilient layer (10) is chosen taking into consideration the relative movement permissible. The cables comprise at least one current-carrying conductor (6), a first layer (7) having semi-conductive properties provided around said conductor (6), a solid insulating layer (8) provided around said first layer (7), and a second layer (9) having semi-conducting properties provided around said insulating layer (8).

Cette invention se rapporte à un dispositif qui permet d'éviter l'usure entre les câbles des paquets d'extrémités de bobines du stator (1) d'un générateur électrique rotatif, ce dispositif comprenant une couche élastique (10) dans la zone de contact entre les câbles (4). Les câbles (4) sont fixés les uns aux autres par un dispositif de fixation (12). La couche élastique (10) permet un certain mouvement relatif entre les câbles (4) en raison de la position de travers du matériau élastique et non pas en raison du glissement dans la zone de contact. On choisit l'épaisseur de la couche élastique (10) en prenant en considération le mouvement relatif admissible. Les câbles comportent au moins un conducteur transporteur de courant (6), une première couche (7) ayant des propriétés semi-conductrices, placée autour du conducteur (6), une couche isolante solide (8) placée autour de la première couche (7), et une seconde couche (9) ayant des propriétés semi-conductrices, placée autour de la couche isolante (8).

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