IG-123-EN version 11; 23/07/2021
51
General instructions
cpg.0: GIS medium-voltage switchgear,
gas insulated, up to 40.5 kV,
in accordance with IEC Standard
Operations sequence
The driving mechanism is manual and drives a two-position
disconnector housed inside the gas tank. The mechanism
has two positions: closed and opened (or earthed).
Use the following operations sequence to disconnect the
voltage transformer disconnector:
1. Move the locking lever down as far as it will go to
release the mechanism.
Figure 7.35. Actuator mechanism locking in cpg.0-v 36 kV/1250 A/25 kA Figure 7.36. Actuator mechanism locking in cpg.0-v 12 kV/2000 A/25 kA
2. Pull the handle back rmly to move the disconnector to
"opened" (or earthed) position.
Figure 7.37. Disconnector displaced to "opened" position cpg.0-v 36
kV/1250 A/25 kA
Figure 7.38. Disconnector displaced to "opened" position cpg.0-v 12
kV/2000 A/25 kA
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