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Belt magnetic cores made of high-permeability amorphous alloys and high-permeability compound (nanocrystal) material for measuring current transformer

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[Abstract]:

High initial permeability(高初始导率)

Relative permeability of magnetic core with core size <600 mm at 50 Hz must be:(相对磁导率)

 

 

Range of magnetic field intensity Hm, А/m

磁场强度范围

 

 

In the case with ring or oval core

在有环或椭圆形芯的情况下

In the case, with rectangular core and without case, with ring/oval core

在这种情况下,有矩形的核心和没有的情况下,环/椭圆形的核心

 

Without case, with rectangular core

没有表壳,有矩形芯

Relative permeability m, (相对磁导率)

0,1

100000

80000

70000

0,3

160000

130000

110000

0,4

240000

190000

165000

0,6

305000

240000

210000

1,0

230000

185000

160000

2,0

140000

110000

95000

Range of magnetic saturation induction ≤ 0,5 T

磁饱和≤ 0,5 T

 

Magnetic properties of magnetic cores in case with ring/oval core at magnetizing frequency 50 Hz

磁芯在磁化频率为50hz时,有环形/椭圆形磁芯时磁芯的磁性

Range of magnetic induction Bm, T

(磁感应范围)

Range of magnetic field intensity

Hm, А/м

磁场强度范围

Relative magnetic permeability

相对磁导率

Loss angle, degree (˚)

损耗角

Loss angle, radian (rad)

损耗 弧度

0,013

0,1

100000

5,4

0,094

0,030

0,2

119000

13,4

0,233

0,060

0,3

160000

24,3

0,425

0,121

0,4

240000

37,3

0,650

0,176

0,5

280000

40,7

0,710

0,231

0,6

305000

36,6

0,639

0,255

0,7

290000

32,5

0,566

0,268

0,8

267000

29,6

0,516

0,283

0,9

250000

26,0

0,453

0,291

1,0

230000

23,5

0,410

0,307

1,2

204000

18,6

0,324

0,324

1,4

184000

13,1

0,229

0,336

1,6

167000

8,7

0,152

0,346

1,8

153000

7,1

0,124

0,357

2,0

140000

6,2

0,108

0,374

2,5

119000

4,6

0,080

 

 

Samples of ring, rectangular, ovan cores made of belts

磁核制作而成的样品的环形,矩形,万纳核心制成

1.Ring shape core(环形磁芯)

 


2.Rectangular shape core(矩形磁芯)

 

3.Oval shape core(椭圆形磁芯)