Amorphous transformer for electric power supply

Details Amorphous transformer for electric power supply Amorphous transformer for electric power supply

H - Electricity

01

F

H01F 27/24 (2006.01) H01F 1/153 (2006.01) H01F 30/00 (2006.01)

Patent

CA 2644521

This invention provides an amorphous transformer for electric power supply, using a magnetic core formed of an amorphous alloy material, which, as compared with the conventional amorphous alloy material, has a lower annealing temperature and a higher level of magnetic properties. The amorphous transformer for electric power supply is provided with a magnetic core of a thin band of an amorphous alloy and a winding wire. The iron core has been annealed under such conditions that the iron core center part temperature during annealing after iron core molding is 300 to 340ºC and the holding time is not less than 0.5 hr. Further, for the iron core, the magnetic field intensity during annealing after the iron core molding is not less than 800 A/m.

La présente invention concerne un transformateur amorphe pour alimentation électrique, utilisant un noyau magnétique formé d'un matériau d'alliage amorphe, qui, en comparaison aux matériaux d'alliage amorphe traditionnels, présente une température de recuit inférieur et un niveau supérieur de propriétés magnétiques. Le transformateur amorphe pour alimentation électrique est muni d'un noyau magnétique d'une bande mince d'un alliage amorphe et d'un fil de bobinage. Le noyau de fer est recuit dans des conditions telles que la température de la partie centrale du noyau de fer au cours du recuit après moulage du noyau de fer est comprise entre 300 et 340 ºC et la durée de maintien est d'au moins 0,5 heure. En outre, pour le noyau de fer, l'intensité du champ magnétique au cours du recuit après le moulage du noyau de fer est d'au moins 800 A/m.

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