Recommended fuses
The fuses recommended for use in the
cpg
.0-f cubicles are
defined according to tests carried out by the manufacturers.
The following table shows the recommended fuse ratings
according to the U
r
/P
transf.
ratio:
U
n
(
Network
)
(kV)
U
n
(
Cubicle
)
(kV)
TRANSFORMER POWER (kVA)
100
125
160
200
250
315
400
500
630
800
1000
1250
10
24
16
25
25
40
40
40
63
63
100
100
125
160
13.8
24
10
16
16
25
25
40
40
63
63
100
100
125
15
24
10
16
16
25
25
40
40
40
63
63
100
100
20
24
10
16
16
25
25
25
40
40
63
63
63
100
25
36
10
10
16
25
25
25
40
40
40
40
40
63
30
36
10
10
16
16
25
25
40
40
40
40
40
63
General operating conditions: Overload < 20 % y Temperature < 40 °C
Shaded areas: < 30 % and Temperature< 50 °C Maximum permitted losses of the fuse: < 75 W (55 W para U = 10 kV)
Table 7.3.
Ratings of recommended fuses
Transfer currents according to IEC 62271-105
The transfer currents have been tested in accordance with
the following parameters:
U
r
Fuse
(kV)
U
r
Cubicle
(kV)
I
r
Fuse
(A)
I
Transfer
(A)
Up to 36
Up to 36
40
820
Table 7.4.
Transfer current
IG-196-US version 03; 13/04/2021
50
Operation and commissioning sequence
General instructions
cpg
.0 NEW MODEL: Medium-voltage
metal-enclosed switchgear with full insulation in gas,
up to 38 kV in accordance with IEEE Standards
Содержание cpg.0-c
Страница 59: ......
