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变压器磁心材料特性
|
特性
材质
|
初始磁导率U
|
饱和磁通密度
Bs
|
功率损耗
|
电阻率
(Ω.m)
|
居里温度
Tc(℃)
|
|
25KHz 200mT
|
|
25℃
|
100℃
|
25℃
|
60℃
|
100℃
|
|
ST30
|
2500±25%
|
500
|
390
|
130
|
95
|
100
|
9
|
230
|
|
ST40
|
2300±25%
|
500
|
390
|
120
|
80
|
700
|
6
|
215
|
EI 型磁心
|
尺寸
型号
|
A
(mm)
|
B
(mm)
|
C
(mm)
|
D
(mm)
|
E
(mm)
|
F
(mm)
|
I
(mm)
|
Le
(mm)
|
Ae
(mm2)
|
重量
(g)
|
AL值±25%
|
|
ST30
|
ST40
|
|
EI22
|
22.0±0.3
|
14.55±0.25
|
5.75±0.25
|
5.75±0.25
|
16.0±0.4
|
11.0±0.3
|
4.5±0.2
|
42.5
|
37.0
|
8.5
|
2150
|
2000
|
|
EI25
|
25.4±0.4
|
15.8±0.3
|
6.4±0.25
|
6.4±0.25
|
19.0±0.4
|
12.8±0.3
|
3.2±0.2
|
48
|
40.4
|
10
|
1950
|
1800
|
|
EI28
|
28.0±0.5
|
16.75±0.25
|
10.6±0.2
|
7.2±0.3
|
18.7±0.3
|
12.8±0.3
|
3.5±0.3
|
49.5
|
84.4
|
22
|
3900
|
3800
|
|
EI30
|
30.6±0.4
|
21.5±0.4
|
10.7±0.3
|
10.7±0.3
|
19.8±0.3
|
16.3±0.3
|
5.5±0.2
|
58.2
|
111
|
32.5
|
4300
|
4000
|
|
EI33
|
33.0±0.5
|
23.6±0.2
|
12.7±0.3
|
10.0±0.3
|
24.0±0.5
|
19.5±0.5
|
5.0±0.2
|
67.3
|
119.4
|
41
|
3800
|
3800
|
E环型磁心
尺寸
型号 |
φ A(mm)
|
φ B(mm)
|
C(mm)
|
Le(mm)
|
Ae(mm2)
|
重量（g)
|
AL值±25%
|
|
ST30
|
ST40
|
|
T22x14x8
|
22.0±0.4
|
14.0±0.3
|
8.0±0.3
|
54.7
|
31.4
|
8.7
|
1770
|
1630
|
|
T22.5x13.5x8
|
22.5±0.4
|
13.5±0.3
|
8.0±0.3
|
54.4
|
39.4
|
9.8
|
2000
|
1840
|
|
T25x15x10
|
25.0±0.5
|
15.0±0.4
|
10.0±0.3
|
60.2
|
48.9
|
15.0
|
2500
|
2300
|
|
T25x15x12
|
25.0±0.5
|
15.0±0.4
|
12.0±0.3
|
60.2
|
58.7
|
18.0
|
3000
|
2700
|
|
T28x14x10
|
28.0±0.6
|
14.0±0.3
|
10.0±0.3
|
63.3
|
69.0
|
22.2
|
3400
|
3120
|
|
T31x19x8
|
31.0±0.7
|
19.0±0.5
|
8.0±0.3
|
75.5
|
47.1
|
18.1
|
1920
|
1760
|
|
T31x19x13
|
31.0±0.7
|
19.0±.5
|
13.0±0.3
|
75.5
|
76.5
|
29.4
|
3120
|
2870
|
|
T31x15x8
|
31.0±0.7
|
15.0±0.4
|
8.0±0.3
|
69.3
|
63.1
|
22.2
|
2850
|
2620
|
|
T32x14x11
|
32.0±0.7
|
14.0±0.4
|
11.0±0.3
|
69.3
|
97.5
|
34.3
|
4460
|
4100
|
|
T36x23x15
|
36.0±0.8
|
23.0±0.5
|
15.0±0.4
|
89.6
|
96.5
|
43.4
|
3290
|
3030
|
|
T38x19x13
|
38.0±0.8
|
19.0±0.5
|
13.0±0.4
|
86.1
|
123.0
|
53.0
|
4420
|
4060
|
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