IG-123-EN version 11; 23/07/2021
57
General instructions
cpg.0: GIS medium-voltage switchgear,
gas insulated, up to 40.5 kV,
in accordance with IEC Standard
Operations sequence
b. Right busbar earthing operations
1. Close the right feeder disconnector.
Figure 7.52. Right busbar earthing sequence (i)
2. Close the left earthing switch.
Figure 7.53. Right busbar earthing sequence (ii)
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