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ABB UC Series Maintenance Guide

ABB UC Series
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1ZSE 5492-124 en, Rev. 6 | Maintenance guide UCG 11
Fig. 2. General arrangement of on-load tap-changer, type UC.
Bottom valve for
drying process
Pressure relay
Top-section
Shielding-ring
1)
Diverter switch
Plug-in contacts
Bottom section
Oil valve
Cover
Driving disc for the
diverter switch
Insulating cylinder
Draining tube
Guide-pins
Current terminal
Transition resistors
Fixed and moving
contacts
Intermediate gear
Insulating shaft
Bevel gear
Position indicator
Earthing terminal
Serial No.
Diverter switch housing
Serial No.
Connection ange for
gas operated relay
Shielding-ring
2)
Shielding-ring
1)
1) Only at impulse withstand voltage
to earth of 650 kV and 1050 kV.
2) Not on UCG of the short type.
Tap selector
Moving ne-
selector contacts
Change-over
selector
Geneva gear
Current collector
Fixed ne-selector
contacts

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ABB UC Series Specifications

General IconGeneral
BrandABB
ModelUC Series
CategoryIndustrial Equipment
LanguageEnglish

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