Operations sequence
General instructions
41
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
1. Close the feeder disconnectors, as indicated in
section
7.4.1.
Figure 7.12
Busbar coupling cubicle with both busbars
connected
2. Then connect the feeder disconnector of the
corresponding circuit breaker position.
Figure 7.13
Feeder disconnector closed detail
3. Close the other feeder disconnector.
Figure 7.14
Feeder disconnector open detail
4. Finally, open the busbar coupling in reverse order to
that shown in section
7.4.1
.
Figure 7.15
Busbar coupling cubicle with both busbars
disconnected
The feeder input circuit breaker cubicles are
interlocked with the busbar coupling cubicle so
that the busbar replacement operation is only
possible if the busbar coupling cubicle is in
closed position.
Summary of Contents for Ormazabal cpg.1 Series
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