Grounding Operation From; The Open Position - Ormazabal cgm.3 Series General Instructions Manual

General instructions
cgm.3 system: medium voltage SF
cubicles up to 38 kV according to IEEE and CSA standards
5.10.4. Grounding operation from the open position
Initial conditions: Grounding switch open, circuit-
breaker closed and springs charged.
1. Close the circuit-breaker by pressing the "I" close button
and check the status indicator.
2. Check that no voltage is present using the ekor.vpis
unit.
3. Move the access handle in the yellow zone to its lower
position.
gas-insulated
6
IG-183-EN version 06; 31/03/2020
Recommended sequence of operations
Figure 5.48. B/BM Driving mechanism lever
Figure 5.49. Press the "I" button
Figure 5.50. Move the handle in the yellow area
73