ABB UCG Series, Installation And Commissioning Manual

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1ZSC000562-AAZ en | Installation and commissioning guide UCL/VUCL 13
1.6 Oil filter unit for continuous oil filtration
If the tap-changer should have an oil filter unit for continuous
oil filtration from ABB, installation and commissioning
instructions are found in the manual delivered with the unit.
1.7 Weights
– Motor-drive mechanism type BUE: approximately 155 kg
– Motor-drive mechanism type BUL2: approximately 95 kg
The weights of the motor-drive mechanism and drive-shaft
system are not included in the weights given in Tables 2
and 3.
On-load tap-changer
type designation Approximate weight in kg
Tap-changer
without oil
1)
Required
oil Total
UCL.N 380/600, 900 480 260 740
650/600, 900 500 300 800
1050/600, 900 510 340 850
UCL.T 380/600, 900 1230 3x260 2010
380/1800 1350 3x260 2130
380/2400 1440 3x260 2220
650/600, 900 1290 3x300 2190
650/1800 1410 3x300 2310
650/2400 1500 3x300 2400
1050/600, 900 1320 3x340 2340
1050/1800 1440 3x340 2460
1050/2400 1530 3x340 2550
UCL.B 380/600, 900 850 2x260 1370
650/600, 900 890 2x300 1490
1050/600, 900 910 2x340 1590
UCL.E 380/600, 900 410 260 670
380/1800 450 260 710
380/2400 480 260 740
650/600, 900 430 300 730
650/1800 470 300 770
650/2400 500 300 800
1050/600, 900 440 340 780
1050/1800 480 340 820
1050/2400 510 340 850
Table 2. Weights for type UCL.
1) The weight of the diverter switch, approximately 120 kg, is included.
On-load tap-changer
type designation Approximate weight in kg
Tap-changer
without oil
1)
Required
oil Total
VUCL.N 380/600, 1000 510 260 770
650/600, 1000 530 300 830
1050/600, 1000 540 340 880
VUCG.T 380/600, 1000 1320 3x260 2100
650/600, 1000 1380 3x300 2280
1050/600, 1000 1410 3x340 2430
VUCL.B 380/600, 1000 910 2x260 1430
650/600, 1000 950 2x300 1550
1050/600, 1000 970 2x340 1650
VUCL.E 380/600, 1000 440 260 700
650/600, 1000 460 300 760
1050/600, 1000 470 340 810
Table 3. Weights for type VUCL.
1) The weight of the diverter switch, approximately 150 kg, is included.
1.8 Tightening torques
The following tightening torques are recommended:
For metallic screw joints: M6 .......... 10 Nm ±10 %
M8 .......... 24.5 Nm ±10 %
M10 ......... 49 Nm ±10 %
M12 ......... 84 Nm ±10 %
For non-metallic screw joints: M10 ......... 9 Nm
±10 %
M12 ......... 13 Nm ±10 %
M16 ......... 22 Nm ±10 %
if not otherwise stated in this guide.