Amorphous alloy transformer and preparation method of amorphous alloy strip
A technology of amorphous alloys and transformers, applied in the field of amorphous alloy transformers, can solve the problems of low saturation magnetization and large iron loss, etc., achieve the goal of reducing core loss, excellent core loss, and reducing direct and indirect economic losses Effect
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Embodiment 1
[0037] This embodiment discloses an amorphous alloy transformer, which includes an amorphous alloy iron core and a coil. The amorphous alloy iron core includes an iron core and a single-phase iron core cover. The iron core adopts a three-dimensional triangular iron core structure. It consists of three single-phase iron cores, and the single-phase iron cores are seamlessly connected; the single-phase iron cores include left and right iron core columns 1 and upper and lower iron yokes 12, forming a closed rectangular frame. The iron core cover is set outside the single-phase iron core; the left and right iron core columns 1 and the upper and lower iron yokes 12 are isosceles trapezoidal; The yoke pieces are superimposed, and both the column piece and the yoke piece are in the shape of an isosceles trapezoid, and the extension lines of the waist of the column piece and the yoke piece pass through the center of the rectangular frame of the single-phase iron core, but the thickness ...
Embodiment 2
[0040] This embodiment discloses an amorphous alloy low-loss transformer. The amorphous alloy low-loss transformer includes a coil and an iron core; the iron core adopts a three-dimensional triangular iron core structure, and the iron core includes an amorphous alloy strip; The chemical composition of the amorphous alloy strip is expressed in weight percent: Fe is 46wt%, Si is 9wt%, B is 4.5wt%, P is 8.5wt%, Co is 23wt%, Ni is 5wt%, and Zr is 4wt%. ; wherein iron and cobalt element weight percent is 2, silicon and boron element weight percent is 2.
[0041] This embodiment also discloses a method for preparing an amorphous alloy strip in an amorphous alloy low-loss transformer. The preparation method includes the following steps:
[0042] S1, Fe, Si, B, Co, P, Ni, Zr were respectively weighed in corresponding proportions, and added to the stirring device in turn for full stirring to obtain a mixture, the number of stirring times was 2, and the stirring time was 20 minutes;
...
Embodiment 3
[0049] The difference between this embodiment and the second and third embodiments is that the preparation method includes the following steps:
[0050] S1, Fe, Si, B, Co, P, Ni, Zr were respectively weighed in corresponding proportions, and added to the stirring device in turn for full stirring to obtain a mixture, the number of stirring times was 3 times, and the stirring time was 25 minutes;
[0051] S2, put the mixture into an electric arc melting furnace for the first melting, the vacuum degree is 0.03Pa, the melting temperature is 1700°C, and the melting time is 1.5h, to obtain alloy solution a;
[0052] S3, the alloy solution a is placed in a water cooling device to form an alloy ingot, and the circulating water pressure is set at 0.7MPa;
[0053] S4, put the alloy ingot into the electric arc melting furnace for the second melting, the vacuum degree is 0.08Pa, the melting temperature is 1950°C, and the melting time is 2.5h, to obtain the alloy solution b;
[0054] S5, ...
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Abstract
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