General Instructions
Operations sequence
60
cpg.1
Fully SF6 gas insulated single and double busbar GIS switchgears up to 36 kV in accordance
with IEC Standards
IG-137-EN version 03; 24/06/2016
2. Then disconnect the corresponding feeder
disconnector by turning the lever anticlockwise.
Figure 7.70
Lever turn detail
3. Finally, close the earthing switch. by turning the lever
clockwise.
Figure 7.71
Lever turn detail
7.10 Fuse replacement sequence in
cpg.1-f
Since this is a switch-fuse combination cubicle, any of the
three fuses blowing causes the switch-disconnector to
open automatically.
When a fuse blows, this is indicated unequivocally by the
red indicator which appears on the front of the operation
panel.
Figure 7.72
Blown fuse indication
1. To access the fuses, close the earthing switch and,
once you have removed the medium voltage cables
and fuse access cover and identified the blown fuse
(the striker will be in the up position), turn the handle
of the corresponding fuse holder cover upwards until
the locking clip is unhooked and then pull sharply
outwards.
Figure 7.73
Fuse holder opening in
cpg.1-f
Содержание Ormazabal cpg.1 Series
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