Eaton Power Xpert XGIS, Instruction Booklet

Page: 22 / 80

22
Instruction Booklet IB022018EN
Effective July 2020
Instructions for the installation and
commissioning of Power Xpert
TM
XGIS gas insulated switchgear
EATON
www.eaton.com
Figure 38. Main bus CT brackets, both ratings.
Cable compartment CTs
Cable compartment CTs come in a variety of configurations,
depending upon system requirements. They can be furnished for
cable connections or bus tie connections.
Cable connections
In the 1250 A rated XGIS vertical section,
cable connection CTs can
be furnished as single or double CTs per phase. The CTs mount on
an output bus horizontal bushing. Separable connectors connect
cable(s) to the bushing.
Figure 39 shows how a cable CT is mounted over the cable
connection bushing, prior to making the cable connections.
Figure 39. Cable CT surrounding cable bushing.
Figure 40 and Figure 41 show examples of cable side current
transformers. The 1250 A CT fits over one bushing per phase while
the 2500 A CT fits over two bushings per phase.
Figure 40.
NAMEPLATE
1250 A
Cable Side
Example 1250 A cable side CT.
Figure 41.
2000 / 2500 A
Cable Side
Example 2500 A cable side CT.
Figure 42 shows 1250 A cable connection CTs mounted to the front
of the tank.