5.11.5. Opening operation from closed position
Initial conditions:
Circuit-breaker closed and switch-
disconnector closed.
1.
Open the circuit-breaker by pressing the opening
button and check the status indicator.
2.
Check there is no voltage in the
ekor
.vpis or
ekor
.ivds
units.
3.
Move the slide in the grey area to the left.
Figure 5.79.
Closing button detail
Figure 5.80.
Slide detail and indication of circuit-breaker
IG-078-EN version 12; 23/04/2020
90
Recommended sequence of operations
General Instructions
cgmcosmos
: Medium-voltage cubicles with full insulation
in SF
6
gas up to 24 kV in accordance with IEC Standard
Summary of Contents for velatia cgmcosmos
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