ABB BUL2 Gebruikershandleiding - Pagina 8
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Layout of on-load tap-changer, type UBB.
1.
Bevel gear
2.
Lifting eye
3.
Flange
4.
Cylinder
5.
Change-over selector moving contacts
6.
Change-over selector fixed contacts
7.
Selector switch fixed contacts
8.
Selector switch moving contacts
9.
Selector switch shaft
10. Bottom drain screw
11. Bottom
8 User's manual UBB | 1ZSE 5492-156 en, Rev. 4
1
2
3
4
5
6
7
8
9
10
11
12
13
14
12. Valve R½" for filling and draining of oil
13. Top cover
14. Connection to conservator
15. Pressure relay
16. Air release valve to transformer tank
17. Air release valve for tap-changer
18. Position indicator window
19. Current collector terminal
20. Transition resistor
21. Shielding rings
15
16
17
18
19
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21