ABB ZX0 Manual For Installation And Operation page 60

Table 4.3.5.3: Selection table for HV HRC fuses, Siba (U
Operating Transformer
Voltage Rating
[kV] [kVA]
75
100
125
160
200
250
315
13.8 400
400
500
500
630
630
800
1000
75
100
125
160
200
250
315
15 ... 17.5
400
400
500
500
630
630
800
1000
100
125
160
200
250
315
400
24
400
500
500
630
630
800
1000
60 | Manual ZX0 HB 600 en - Revision 05
from 13.8 to 24 kV)
r
Relative
Rated transformer
impedance
current
voltage u
K
[%] [A]
4 3.1
4 4.2
4 5.2
4 6.7
4 8.4
4 10.5
4 13.2
4 16.7
6 16.7
4 20.9
6 20.9
4 26.4
6 26.4
6 33.5
6 41.8
4 2.9
4 3.8
4 4.8
4 6.2
4 7.7
4 9.6
4 12.1
4 15.4
6 15.4
4 19.2
6 19.2
4 24.2
6 24.2
6 30.8
6 38.5
4 2.9
4 3.6
4 4.6
4 5.8
4 7.2
4 9.1
4 11.5
6 11.5
4 14.4
6 14.4
4 18.2
6 18.2
6 23.1
6 28.9
Rated current of the HV-fuse
min.
Type
[A]
10
10
16
16
20
20
HHD-B 25
31.5
31.5
40
40
50
50
63
HHD-BSSK
80
10
10
16
16
20
20
20
31.5
31.5
40
40
40
40
50
HHD-B 63
10
10
10
16
16
20
20
20
25
25
31.5
31.5
40
50
max.
Type
[A]
10
10
16
20
20
25
HHD-B 31.5
40
31.5
50
40
63
50
63
HHD-BSSK
80
10
10
16
16
20
25
HHD-B 31.5
40
31.5
50
40
63
40
63
HHD-BSSK
80
10
10
16
16
20
25
HHD-B 31.5
20
40
25
50
31.5
40
HHD-BSSK 63