IG-123-EN version 11; 23/07/2021
29
General instructions
cpg.0: GIS medium-voltage switchgear,
gas insulated, up to 40.5 kV,
in accordance with IEC Standard
Installation
6.7. Equipment earthing
The switchgear has an earth collector at bar connected to
the system's general earth.
Figure 6.17. Earthing circuit details
a
Earthing bars between cubicles
b
Earthing bars 24 kV 630 A cubicles joint to other cubicles
c
Earth braid 24 kV - 630 A cubicles joint to busbar coupling
cubicle
Figure 6.18. Type of bottom earthing bar
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