L&T Electrical & Automation GIS GV3N, Руководство по эксплуатации и техническому обслуживанию

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Operation & Maintenance Manual 24
COMMISSIONING
Table 5: List of Inspection Items
Category Description
Externals
Open - close indication:
lamp indication
Abnormal noise and
smell
Rust and damage of
Cubicle
Tightness of fastenings
Number of operations
Structural
Cracks or breaks of
bushing
Broken wire
Tightness of terminals
of low - voltage circuit
wiring
Overheat and
discoloration of low
voltage circuit wiring
terminals
Rust and damage of air-
insulated section inside
cubicle
Rust and damage of gas
piping
Gas pressure
Monitor indication ( if
Monitor is provided)
Operating
devices
Cleaning oiling and
greasing
Facility as
a whole
Facility as
a whole
Circuit
breaker
Tightness of terminals
of low-voltage circuit
wiring
Conduction of auxiliary
switches
Tightness of bolts and
nuts
Internal check of
operation mechanisms
During
patrol
During
patrol
During
patrol
Once every
3 years
During
patrol
Once every
6 years
Isolator
With
earthing
switch
Once every
3 years
Once every
6 years
Once every
3 years
Once every
6 years
Once every
3 years
Once every
3 years
Inspection item
Routine
patrol
inspection Ordinary
inspection Detailed
inspection Servicing Interval Target
equipment