ABB VUCG.N - Installation and Maintenance; Tap-Changer; Installation; Drying

30 Technical guide VUC | 1ZSC000562-AAX en, Rev. 1
The diverter switch can participate in the drying process.
If the diverter switch has participated in the drying process
it is important that it is not maneuvered until it has been
submersed in oil, not even hand operated. For further
instructions refer to the Installation and commissioning guide.
Weights
Tables 14 and 15 shows all the weights of the VUC range of
tap-changers.
On-load tap changer type designation Required
oil in kg
Selector C Selector III Selector F
BIL Current Without oil Total Without oil Total Without oil Total
VUCG.N
380 450-800 185 344 529 440 625 570 755
650 450-800 185 354 539 450 635 587 772
1050 450-800 230 374 604 470 700 607 837
VUCG.T
380 450-800 555 942 1497 1101 1656 1260 1815
650 450-800 555 972 1527 1131 1686 1440 1995
1050 450-800 690 1032 1722 1191 1881 1500 2190
VUCG.B
380 450-800 370 658 1028 816 1186 1060 1430
650 450-800 370 678 1048 836 1206 1180 1550
1050 450-800 460 718 1178 876 1336 1220 1680
VUCG.E
380 450-800 185 314 499 367 552 420 605
650 450-800 185 324 509 377 562 480 665
1050 450-800 230 344 574 397 627 500 730
Table 16. Weights for type VUCG.
On-load tap changer type designation Required
oil in kg
Selector III Selector F
BIL Current Without oil Total Without oil Total
VUCL.N
380 700-1300 260 495 755 625 885
650 700-1300 300 505 805 642 942
1050 700-1300 340 525 865 662 1002
VUCL.T
380 700-1300 780 1266 2046 1425 2205
650 700-1300 900 1296 2196 1605 2505
1050 700-1300 1020 1356 2376 1665 2685
VUCL.B
380 700-1300 520 926 1446 1170 1690
650 700-1300 600 946 1546 1290 1890
1050 700-1300 680 986 1666 1330 2010
VUCL.E
380 700-1300 260 422 682 475 735
650 700-1300 300 432 732 535 835
1050 700-1300 340 452 792 555 895
Table 17. Weights for type VUCL.
Oil filling
For details of oil filling, consult the appropriate Installation and commissioning guide.
Maintenance
For maintenance, please contact ABB or make sure that personnel performing maintenance are trained and certified by ABB.
Installation and maintenance
Tap-changer
Installation
The tap-changers can be delivered for cover-mounting or
yoke-mounting onto the transformer. For detailed installation
instructions, consult the appropriate Installation and
commissioning guide.
Drying
The tap-changer must be stored indoors and left in its plastic
shipping cover until time for assembly. The tap-changer
should be subjected to drying before taken into service.