Maintenance
Maintenance plan
G51--001EN07
3/18
02--2011
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GRID
Maintenance plan of disconnector
(if applicable)
(10000 guaranteed mechanical cycles)
Maintenance
frequency
Under normal operating conditions, the maintenance plan of disconnector
may be defined as follows :
Type of
examination
Frequency
Comment
Maintenance
visits
Once or twice a year
It is advisable to perform at
least 2 CO duty cycles per
year, when apparatus are
scarcely used, in order to
check that the disconnec-
tor and associated control
circuits are working prop-
erly.
Inspections
Every five years
This necessitates disconnec-
tor shutdown.
Overhaul
Perform when one of the fol-
lowing criteria is reached :
D
operating time
≥
20 years
However, it is recommended
to proceed with inspection of
the pole or disconnector used
the most, then to adapt the
maintenance programme for
the other apparatus depend-
ing on the results observed.
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