Alstom FKG1X, Инструкция по эксплуатации

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Maintenance
Maintenance plan
G51--001EN07
6/18
02--2011
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relied on that it is complete or correct or will apply to any particular project. This will depend on the technical and commercial circumstances. It is
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strictly prohibited.
GRID
Maintenance operations of circuit --breaker
(20000 guaranteed mechanical cycles)
Guide
The table below is a guide of the operations to be carried out at each mainte-
nance stage :
MAINTENANCE VISITS (1 or 2 times a year)
INSPECTION (every 5 years)
OVERHAUL (OPERATING TIME : 20 years)
OVERHAUL (ELECTRICAL WEAR : see “Electrical wear limits”,
module S51--051)
OVERHAUL (MECHANICAL OPERATIONS :
10 000 cycles)
REVISION for the ventilation (FKG1XP--XV--XW)
(SERVICE LIFE: ≥ 25,000 hours/fan)
` J J J J
Operation counter reading.
` J J
Overall inspection : appearance (corrosion, paint-
work, signs of overheating).
J J J J
Inspect the insulating envelopes of poles.
` J J J J
Check the condition of crank lever assembly (axles,
retaining, clips,...).
` J J J J
Check operation of permanent heating. Check condi-
tion of air vents.
` J J J
Check SF
6
pressure, (if the circuit breaker is supplied
with a permanent pressure gauge).
`
It is advisable to perform at least 2 CO duty cycles per
year,
when apparatus are scarcely used , in order
to check that circuit--breaker and associated control
circuits are working properly.
` J J J
Check SF
6
densimeter thresholds. Then adjust pres-
sure to its rated value.
` J J J
Measure operating times of poles and auxiliary con-
tacts, at rated voltage and pressure.
` J J J Measure resistance of main contacts.
J J J
Check tightening of parts not subjected to pressure
(frame -- deck -- cubicle).
∗
J J J
Check tightening of low voltage terminals (
∗
6 months
after commissioning).
J J J Check relay operation.
J J J
Check latch operation.
J J J J
Carry out operations at recommended duties and
rated voltage.
J J
Change doors seals, sidepanelsseal and roofs seals.
Legend : ( J Compulsory) ( ` Recommended)
Continued on next page.