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HVDC TRANSFORMER BUSHINGS
PHI 530.1425.2500
PHI 265.850.1500
Kepco project
IS 2664 GB
Page
34
of
70
15
Disposal at the end of life
At the end of the bushing operative life all parts can be recycled or disposed as follows:
Part
Material
Action
SF6 gas
SF6
Remove by DILO machine, recycle or thermo-
destruction
Bushing oil
Mineral Oil
Remove and recycle or thermo-destruction
Grading capacitor
Oil impregnated paper
and aluminum foils and
tube
Dispose or thermo-destruction
Main central flanges
Aluminum
Dismount and recycle.
Central conductors
Aluminum
Dismount and recycle
Top flange
Aluminum
Dismount and recycle
Top electric terminals
Copper silvered
Dismount and recycle
Toroids
Aluminum
Dismount and recycle
Internal electrostatic shields
Aluminum
Dismount and recycle
SF6 and oil side cones
Fibreglass
Dismount and dispose
Aluminum
Recycle the aluminum
Composite insulators with flanges
Fibreglass
Dispose or thermo-destruction
Silicone
Dispose or thermo-destruction
Aluminum
Dismount and recycle
Electrical wiring
Aluminum
Recycle
Copper
Recycle
Plastic
Dispose or thermo-destruction
Galvanized steel
Recycle
DILO valves
Aluminium or stainless
steel
Recycle
Oil expansion vessels
Steel
Recycle
Oil expansion vessel supports,
piping and valves
Stainless steel
Recycle
Gas density monitors and oil
pressure gauges
Various
Dispose or recycle as electronic products
Gaskets
EPDM rubber, Viton
Recycle or dispose or thermo-destruction
Table 20 – Bushing end of life management
Содержание PHI 265.850.1500
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