5.12.5. Opening operation from closed position
Initial conditions:
Circuit-breaker closed.
1.
Open the circuit-breaker by pressing the opening
button '0' and check the status indicator.
Figure 5.97.
"0" button detail
2.
Check there is no voltage in the
ekor
.vpis or
ekor
.ivds
units.
3.
Verify that the cubicle is in isolating position.
Figure 5.98.
Isolating position detail
IG-078-EN version 12; 23/04/2020
99
General Instructions
cgmcosmos
: Medium-voltage cubicles with full insulation
in SF
6
gas up to 24 kV in accordance with IEC Standard
Recommended sequence of operations
Summary of Contents for velatia cgmcosmos
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