Amorphous alloy with increased operating induction

Details Amorphous alloy with increased operating induction Amorphous alloy with increased operating induction

H - Electricity

01

F

H01F 1/153 (2006.01) C21D 1/04 (2006.01) C21D 6/00 (2006.01) H01F 41/02 (2006.01)

Patent

CA 2320084

A large magnetic amorphous metallic alloy core is annealed to minimize exciting power rather than core loss. The core has an exciting power less than 1 VA/kg when measured at 60 Hz and an operating induction of 1.40 to 1.45 Tesla, the measurement being carried out at ambient temperature. Such cores can be run at higher operating induction than those annealed to minimize core loss. The physical size of the transformer's magnetic components, including the core, is significantly reduced.

Un noyau magnétique en alliage métallique amorphe de grande dimension est soumis au recuit dans le but de réduire au minimum la puissance d'excitation plutôt que la perte dans le noyau. Le noyau a une puissance d'excitation inférieure à 1 VA/kg mesurée à 60 Hz, et une induction opérationnelle comprise entre 1,40 et 1,45 Tesla mesurée à température ambiante. Ce type de noyau peut fonctionner à une induction opérationnelle supérieure à celle des noyaux soumis au recuit dans le but de réduire au minimum la perte dans le noyau. Ainsi, on réduit de manière appréciable la dimension physique des éléments magnétiques du transformateur, noyau compris.

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