31
100%
Transformer rating (kVA)
Fuse-link
rated
voltage
U
n
(kV)
25
50
75
100
125
160
200
250
315
400
500
630
800
1000
1250
1600
7,2 kV
3
16
25
25
40
40
50
50
80
100
125
160
160
3,3
16
25
25
40
40
50
50
63
80
100
125
160
4,15
10
16
25
25
40
40
50
50
63
80
100
125
160
5
10
16
25
25
25
40
40
50
50
63
80
100
160
160
5,5
6
16
16
25
25
25
40
50
50
63
80
100
125
160
6
6
16
16
25
25
25
40
40
50
50
80
100
125
160
160
6,6
6
16
16
25
25
25
40
40
50
50
63
80
100
125
160
10
6
10
10
16
16
25
25
25
40
40
50
50
80
80
125
125
12 kV
11
6
6
10
16
16
25
25
25
25
40
50
50
63
80
100
125
12
6
6
10
16
16
16
25
25
25
40
40
50
63
80
100
125
13,8
6
6
10
10
16
16
25
25
25
25
40
50
50
63
80
100
17,5 kV
15
6
6
10
10
16
16
16
25
25
25
40
40
50
63
80
100
17,5
6
6
6
10
10
16
16
16
25
25
25
40
50
50
63
80
20
6
6
6
10
10
16
16
16
25
25
25
40
40
50
63
63
24 kV
22
6
6
6
6
10
10
16
16
16
25
25
25
40
50
50
63
24
6
6
6
6
10
10
16
16
16
25
25
25
40
40
50
63
15.6 FUSE SELECTION TABLE
15.6.1 FUSE SELECTION TABLE - CEF
- The table is based on using fuses type ABB CEF
- Normal operating conditions with no overload
- Ambient temperature -25
o
C - +40
o
C
120%
Transformer rating (kVA)
Fuse-link
rated
voltage
U
n
(kV)
25
50
75
100
125
160
200
250
315
400
500
630
800
1000
1250
1600
7,2 kV
3
16
25
25
40
40
50
63
80
100
125
160
3,3
16
25
25
40
40
50
63
80
80
100
125
4,15
10
16
25
25
40
40
50
63
80
80
100
125
5
10
16
25
25
25
40
40
50
63
80
80
125
160
5,5
6
16
16
25
25
25
40
50
50
80
80
100
125
160
6
6
16
16
25
25
25
40
40
50
63
80
100
125
160
6,6
6
16
16
25
25
25
40
40
50
63
80
80
100
125
10
6
10
10
16
16
25
25
25
40
40
50
63
80
80
125
12 kV
11
6
6
10
16
16
25
25
25
25
40
50
50
80
80
100
125
12
6
6
10
16
16
16
25
25
25
40
40
50
63
80
100
125
13,8
6
6
10
10
16
16
25
25
25
25
40
50
50
80
80
100
17,5 kV
15
6
6
10
10
16
16
16
25
25
25
40
40
50
63
80
100
17,5
6
6
6
10
10
16
16
16
25
25
25
40
50
50
63
80
20
6
6
6
10
10
16
16
16
25
25
25
40
40
50
63
80
24 kV
22
6
6
6
6
10
10
16
16
16
25
25
25
40
50
50
63
24
6
6
6
6
10
10
16
16
16
25
25
25
40
40
50
63
- The table is based on using fuses type ABB CEF
- Normal operating conditions with 20% overload
- Ambient temperature -25
o
C - +40
o
C