Nanocrystalline Iron Core 75/105*15mm toroidal magnetic core
Nanocrystalline Iron Core 75/105*15mm toroidal magnetic core
Power current transformer is a special transformer for measuring current of power transmission and distribution lines. The measurement precision differs from soft magnetic materials it uses. The higher precision (less measurement error) is, and the higher core permeability requires. When cold rolling silicon steel sheet cannot reach the requirement of little transformation ratio and low ampere turns, it has to use soft magnetic material with high permeability, such as perm alloy and amorphous alloy. Amorphous alloy has the similar initial permeability as perm alloy, higher maximum permeability, good temperature stability, and 70%-75% lamination coefficient. In the same size and performances, amorphous core’s weight is only two thirds of perm alloy core, and price is more competitive. In recent years, the demand of high-precision transformer (such as grades 0.2, 0.2S and 0.5S) has rapidly increased. Therefore, domestic demand of amorphous alloy measurement current transformer core rapidly increases
No. | Item | Symbol | Ref. value |
1 | Saturation magnetic induction(Bs) | T | 1.25 |
2 | Crystallization temperature(Tx) | ℃ | 500 |
3 | Curie temperature(Tc) | ℃ | 570 |
4 | Density(ρ) | g/cm3 | 7.20 |
5 | Resistivity ® | μΩ·cm | 130 |
6 | Filling coefficient(k) | - | >0.75 |
Aluminum Case Iron Core SPEC SHEET | ||||||||||||||||||||
| Core Size(mm) | Core Size(mm) | Core Size(mm) | Core Size(mm) | Core Size(mm) | Core Size(mm) | Core Size(mm) | ||||||||||||||
| ID | OD | HT | ID | OD | HT | ID | OD | HT | ID | OD | HT | ID | OD | HT | ID | OD | HT | ID | OD | HT |
| 60/110*HT | 90/105*HT | 100/140*HT | 110/175*HT | 120/225*HT | 130/230*HT | 140/200*HT | ||||||||||||||
| 65/145*HT | 90/110*HT | 100/145*HT | 110/180*HT | 125/135*HT | 130/235*HT | 140/205*HT | ||||||||||||||
| 70/120*HT | 90/112*HT | 100/150*HT | 110/185*HT | 125/140*HT | 130/245*HT | 140/210*HT | ||||||||||||||
| 70/125*HT | 90/115*HT | 100/155*HT | 110/195*HT | 125/145*HT | 130/250*HT | 140/215*HT | ||||||||||||||
| 70/145*HT | 90/120*HT | 100/160*HT | 110/225*HT | 125/150*HT | 130/260*HT | 140/220*HT | ||||||||||||||
| 70/160*HT | 90/125*HT | 100/165*HT | 115/125*HT | 125/155*HT | 130/265*HT | 140/225*HT | ||||||||||||||
| 75/100*HT | 90/130*HT | 100/175*HT | 115/130*HT | 125/160*HT | 135/150*HT | 140/230*HT | ||||||||||||||
| 75/105*HT | 90/135*HT | 100/180*HT | 115/135*HT | 125/165*HT | 135/155*HT | 140/235*HT | ||||||||||||||
| 75/110*HT | 90/140*HT | 100/185*HT | 115/140*HT | 125/170*HT | 135/160*HT | 140/240*HT | ||||||||||||||
| 75/115*HT | 90/145*HT | 100/195*HT | 115/145*HT | 125/175*HT | 135/165*HT | 140/245*HT | ||||||||||||||
| 75/120*HT | 90/150*HT | 100/215*HT | 115/150*HT | 125/180*HT | 135/170*HT | 140/250*HT | ||||||||||||||
Note:
1. The existing mold if it can not meet customer needs, we immediately open mold according to customer demand production.
2. Rectangular, U-type, oval and other special graphics core, the company, plasma, cutting machine mechanical equipment, according to customer's drawings.
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