50
Check Item Check Method
Check whether power cables and control cables are damaged and
whether the cable exterior in contact with the metallic surface is
scratched.
Check whether the insulation binding tapes on the wiring terminals
of power cables are flaked.
Clean or replace the dust-proof network.
table 9-2 Maintenance (once every half to one year after that.)
Check Item Check Method
Fan / heat
exchanger
Check the working status of the fan / heat exchanger.
Check whether the fan/ heat exchanger produces abnormal sounds
during operation.
table 9-3 Maintenance (Once a month)
Check Item Check Method
System running
status and
cleanness
Check whether the equipment and internal equipment are damaged
or deformed.
Check whether there is any abnormal sound or vibration when the
equipment is running.
Check whether the temperature inside the equipment or the
temperature of the equipment shell is too high.
Check whether warning labels are clear and replace them if
necessary.
Check whether the humidity and dust in the equipment are heavy,
and clean the equipment.
Check whether the surface of the container has been corroded. If
so, repaint the corroded area by referring to"9.4 Painting Make-up
Measures"
MV switchgear
Check the SF6 air pressure meter to see whether the pointer is in
the green range. If the pointer is close to red, stop running it in time
and supply it with gas.
Check the electric indicator to see whether theL1/L2/L3 indicator is
normal. If not, replace theL1/L2/L3 indicator under power off
condition.
Transformer
Check the oil level meter indication of the transformer. If the oil level
is low, power off the transformer and refill it in time.
Check whether there is oil leakage around the pressure
release valve. If yes, tighten the valve.
9 Routine Maintenance System Manual
To Next Page
Loading...
