Ormazabal cgm.3 Series User Manual

IG-183-EN version 06; 31/03/2020
73
General instructions
cgm.3 system: medium voltage SF
6
gas-insulated
cubicles up to 38 kV according to IEEE and CSA standards
Recommended sequence of operations
5.10.4. Grounding operation from the open position
Initial conditions: Grounding switch open, circuit-
breaker closed and springs charged.
Figure 5.48. B/BM Driving mechanism lever
1. Close the circuit-breaker by pressing the “I” close button
and check the status indicator.
Figure 5.49. Press the “I” button
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.
Figure 5.50. Move the handle in the yellow area

Ormazabal cgm.3 Series Specifications

General

Brand	Ormazabal
Model	cgm.3 Series
Category	Power distribution unit
Language	English