Eaton Power Xpert XGIS, Instruction Booklet

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48
Instruction Booklet IB022018EN
Effective July 2020
Instructions for the installation and
commissioning of Power Xpert
TM
XGIS gas insulated switchgear
EATON
www.eaton.com
The following installation and attachment instructions are set up in a
checklist format to facilitate the process. Checkboxes are provided to
aid in record keeping.
5.7.2.1 Locate the first vertical section on its foundation
ote: N Vertical sections intended as end vertical sections will be shipped with
end caps mounted on their intended outside walls. Refer to the project draw-
ings for lineup details.
Position the vertical section on the cable vault foundation according
to the project lineup arrangement drawings. Refer to
Figure 72
for
details on vault rail flatness and level.
5.7.2.2 Bolt the vertical section to its rails
See
Figure 72
and the project drawings for the details of attaching
XGIS vertical sections to the system foundation rails. Use the
hardware and torque specified.
5.7.2.3 Connect the vertical section to system ground
Note: in keeping with the facility’s ground system design, connect
the first installed vertical section’s vertical section main grounding
terminal to the facility ground system.
Although additional lineup vertical sections will be grounded to each
other using interconnecting ground bus sections, it is recommended
to connect the grounding terminals of the first and the last vertical
sections’ vertical sections, as well as every two or three vertical
sections in a lineup, to system ground.
5.7.2.4 Position the next vertical section
Position the next vertical section on the cable vault rails and next to
the preceding section, according to the project lineup arrangement
drawings.
5.7.2.5 Attach the vertical section to the previous vertical
section
Use a torque wrench set for 50 Nm (36.9 ft-lb) to fasten all M10
hardware.
Section interior fastenings
Vertical section front edge bolts (see
Figure 75
item 1 and
Figure 77 ).
Attach using 17 sets of M10-1.5 x 30 lg SHCS, M10 wide fat
washer, M10 split lock washer, and M10 nut.
Figure 77. Front edge attachments.
Main bus compartment front bracket (see Figure 75 , item 2)
Attach using 5 sets of M10-1.5 x 30 lg SHCS, M10 wide flat
washer, M10 split lock washer, and M10 nut.
Main bus compartment rear bracket (see
Figure 75
, item 3)
Attach using 5 sets of M10-1.5 x 30 lg SHCS, M10 wide flat
washer, M10 split lock washer, and M10 nut.
VT/upper relief compartment (see Figure 75 , item 4)
Attach using 5 sets of M10-1.5 x 30 lg SHCS, M10 wide flat
washer, M10 split lock washer, and M10 nut.
Vertical sections can be applied in either AFLR (Access Front Lateral
Rear) or AFL (Access Front Lateral) configurations. The lower relief
compartment attachment process is different for each configuration.
In the AFL case, eight sets of attachment hardware are omitted.
Lower relief compartment for AFLR section (see Figure 75
item 5)
If the vertical section is a feeder section: Attach using 12
sets of M10-1.5 x 30 lg SHCS, M10 wide flat washer, M10
split lock washer, and M10 nut.
If the vertical section is a bus tie section:
Attach using 12 sets of M10-1.5 x 30 lg SHCS, M10 wide flat
washer, M10 split lock washer, and M10 nut plus three along
vertical plus one at mid-height, mid-depth,
Attach using four sets of M10-1.5 x 30 lg SHCS, M10 wide
flat washer, M10 split lock washer, and M10 nut to attach
the sections horizontally below the tank. See Figure 82 and
Figure 83.
Lower relief compartment for AFL section (see Figure 76 item
5)
If the vertical section is a feeder section: Attach using four
sets of M10-1.5 x 30 lg SHCS, M10 wide flat washer, M10
split lock washer, and M10 nut.
If the vertical section is a bus tie section:
Attach using four sets of M10-1.5 x 30 lg SHCS, M10 wide flat
washer, M10 split lock washer, and M10 nut plus three along
vertical plus one at mid-height, mid-depth,
Attach using four sets of M10-1.5 x 30 lg SHCS, M10 wide
flat washer, M10 split lock washer, and M10 nut to attach
the sections horizontally below the tank. See Figure 82 and
Figure 83.