2silicon steel EI and UI laminations transformer core parts
Brief Induction of silicon steel sheet:EI Lamination is made by the silicon steel strip.The model of EI lamination in standard sizes is from EI 28 to EI -240, and the model of EI lamination in non-standard sizes is from EI-36 to EI-360Three -phase EI lamination is made by the silicon steel strip. the model of three-phase EI lamination is from three-phase (20) to three phase (100)UI lamination is made by the silicon steel strip.the model of UI lamination is from UI-30 to UI-100
Type
a
b
c
d
e
holes
aperture(Φ)
EI- 28
28
4
6
8
17
EI-35
35
5
7.5
10
19.5
EI-41
41
6
8
13
21
EI-42
42
7
7
7
14
EI-48
48
8
8
16
24
EI-50
50
8
9
16
25.5
EI-57
57
9.5
9.5
19
28.5
4
4
EI-60
60
10
10
20
30
4
5
EI-66
66
11
11
22
33
4
4
EI-76.2
76.2
12.7
12.7
25.4
38.1
4
5
EI-78
78
13
13
26
39
4
5
EI-84
84
14
14
28
41
4
6
EI-85.8
85.8
14.3
14.3
28.6
42.9
4
5
EI-96
96
16
16
32
48
4
6…