Definition Of Fuses; Start-Up; Essential Checking; Switchgear Operations - efacec NORMAFIX Instructions Manual

In the case of fuses with striker:

Remove the label of protection of the striker, when installing the fuse for the first
time;

Make sure the striker is positioned correctly (upwards).

8.11 Definition of fuses

Power of
transformer
kVA
100
125
160
200
250
315
400
500
630
800
1000
1250
1600
2000
(*) The fuse definition must consider the power loss limits (indicated in the fuse documentation)
–5ºC  T 
(**)To (IN a:
of service 1.2 x IS.

9. START-UP

9.1 Essential checking


Confirm the proper connection of the busbar, cable, earth circuits, measuring TF's
and auxiliary LV circuits;

Confirm the proper assembly of the fuses, busbar and cable field deflectors and
cable compartment panels;

Confirm that the pressure indicator (if applicable) is in the green zone

9.2 Switchgear operations


Confirm the proper functioning of the equipment and of the interlocking, by
operating the Switch and the Earthing Switch.

9.3 Voltage feeding


Confirm that all devices are in "open" position.
Transformer - primary voltage
10/11 kV 13.8 kV
Rated current (A) I
16 10
16 16
20 16
25 20
31.5 25
40 31.5
50 40
63 50
80 63
100 80
125 100
160 125
160 (*)
250 (*)
+40ºC) and power transformer > 1000 kVA, the maximum intensity
20
15kV 20kV 24/25 kV
(**)
N
10 10
10 10
16 16
16 16
20 16
25 20
31.5 25
40 31.5 31.5
50 40
63 50
80 63
100 80
125 100
(*) (*)
NORMAFIX
30 kV
10 10
10 10
10 10
16 10
16 10
20 16
25 16
20
40 25
50 31,5
63 40
80 50
(*) (*)
(*) (*)