Method for lamination of an electrical strip for transformer...

H - Electricity – 01 – F

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Details

H01F 27/245 (2006.01) H01F 1/147 (2006.01) H01F 41/02 (2006.01)

Patent

CA 2649201

The invention relates to a method for production of ferromagnetic core laminates for electrical machines. The invention likewise relates to a ferromagnetic core laminate (16). Core laminates with very thin layers of the individual electrical strips can be produced by a structure formed from layers of the electrical strips (10, 11, 12) and by the electrical strips being connected by means of a connection layer (30), in particular an adhesive layer. This makes it possible to produce cores formed from layers of core laminate for electromagnetic machines, whose eddy-losses are reduced.

La présente invention concerne un procédé de fabrication de tôles de noyau ferromagnétiques pour machines électriques. L'invention concerne également une tôle de noyau ferromagnétique (60). La structure recouverte de bandes électriques (10, 11, 12) et la liaison de la bande électrique au moyen d'une couche de liaison (30), en particulier d'une couche adhésive, permettent de fabriquer des tôles de noyau avec des bandes électriques individuelles de très faible épaisseur de couche. Il est ainsi possible de préparer des noyaux pour machines électriques recouverts des tôles de noyau dont les pertes par courant de Foucault sont réduites.

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