IG-183-EN version 06; 31/03/2020
79
General instructions
cgm.3 system: medium voltage SF
6
gas-insulated
cubicles up to 38 kV according to IEEE and CSA standards
Maintenance
7.2.1. Connecting the ekor.sas unit
1
Connection to the lever microswitch in the grounding shaft
2
Connection to the voltage presence indicator
Figure 7.3. Detail of connections of ekor.sas device
7.3. Specific maintenance for the cgm.3-v cubicle
The driving mechanisms and other elements outside
the gas tank may require preventive maintenance; the
frequency of this maintenance depends on the existing
environmental conditions (harsh environments, dust,
extreme temperatures, etc.), and should be established
based on the installer’s experience and their responsibility.
The maintenance should take place every 5 years or
2000 operating cycles, unless, based on the conditions of
use, the user and Ormazabal consider otherwise.
For further information on the recommended
Preventive maintenance sequence for cgm.3-v
see MO-079 operations manual. Please contact
Ormazabal.
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