1ZSC000562-AAZ en
|
Installation and commissioning guide UCL/VUCL
41
5.6. Connection of tube for oil sampling for VUC
Preparation for oil sampling is done at the transformer
workshop as part of the tap-changer installation.
–
The oil valve (see Fig. 45) should be removed and re-
connected at the end of the draining tube at operable
ground level.
Fig. 47. Extra oil sampling valve. The valve is removed and then refitted at the end of the sampling tube.
Fig. 45. Oil valve.
Fig. 46. Sample pipe dimensions.
Extra oil valve shall be removed
and used as a sample valve
Oil valve
O-ring
Ø 44.2 x 5.7
4 x Ø 11
Ø 75
A - A
B - B
Ø 75
Ø 106
Ø 106
4 x M10
45°
45°
UCL top cover
Transformer cover
Tube ½”
– The tube, through which oil samples are taken, must be
connected to a sample pipe, see Fig. 47. The tube shall be
of ½ inch.
– Information regarding the flanges, view A-A and view B-B,
see Fig. 46.
Summary of Contents for UCG Series
Page 1: ...On load tap changers type UCL and VUCL Installation and commissioning guide 1ZSC000562 AAZ en ...
Page 8: ......
Page 53: ......
Page 54: ......
Page 55: ......