IG-183-EN version 06; 31/03/2020
66
Recommended sequence of operations
General instructions
cgm
.3 system: medium voltage SF
6
gas-insulated
cubicles up to 38 kV according to IEEE and CSA standards
5.10. cgm
.3-v
cubicle with driving mechanism A(M)V or RA(M)V
Depending on the application this sequence of
operations can be modified.
Check the information of the corresponding sequence
of operations plate built into the front of the switchgear.
5.10.1. Opening operation from the grounding position
Initial conditions:
Ground switch closed and circuit-
breaker closed.
Figure 5.33.
B/BM Driving mechanism lever
1.
Move the access handle in the yellow zone to its lower
position.
Figure 5.34.
Move the handle in the yellow area