4
Instruction Booklet IB022017EN
Effective July 2020
Instructions for the operation and
maintenance of Power Xpert
TM
XGIS gas insulated switchgear
EATON www.eaton.com
Contents
Section 1: Introduction ................................................................7
1.1 Preliminary comments and safety precautions .........................................7
1.1.1 Safety precautions ............................................................7
1.1.2 Switchgear identification .......................................................7
1.2 General information.............................................................. 8
1.3 Power Xpert XGIS elements....................................................... 11
1.3.1 Standard features............................................................ 12
1.3.2 Ground bus ................................................................ 17
1.3.3 Bracing .................................................................... 18
1.3.4 Arc resistant features......................................................... 18
1.3.5 Optional features ............................................................ 18
1.3.6 XGIS vertical section configurations .............................................25
1.4 Type XGIS gas insulated switchgear ratings (tables 2, and 3) ............................. 29
1.5.1 1250 A vertical section ....................................................... 31
1.5.2 2000 A / 2500 A vertical section................................................32
1.6 SSIS conductor system ..........................................................33
1.6.1 SSIS bus in XGIS gas insulated switchgear ....................................... 33
1.6.2 Power cable conductors in XGIS switchgear ...................................... 34
1.7 Voltage detection system ......................................................... 36
1.7.1 Connecting the voltage detection system cables to ground ...........................36
1.8 SF6Gas handling ...............................................................37
Section 2: Receiving, handling and storage ...............................................37
Section 3: Safe practices..............................................................38
3.1 Recommendations..............................................................38
Section 4: Description and operation ....................................................39
4.1 Introduction ...................................................................39
4.1.1 Three-position disconnect switch ...............................................39
4.1.2 Circuit breaker.............................................................. 39
4.1.3 VT earthing switch........................................................... 39
4.2 Operation .....................................................................40
4.2.1 Three position disconnect switch (3PDS) ......................................... 41
4.2.2 Circuit breaker ..............................................................42
4.2.3 Voltage transformer earthing switch ..............................................44
Section 5: Inspection, maintenance, and testing ...........................................46
5.1 Logbook ......................................................................46
5.2 Inspections....................................................................46
5.3 Maintenance ..................................................................46
5.3.1 SF6Gas handling ............................................................46
5.3.2 Cleaning viewing ports .......................................................47
5.4 Testing .......................................................................47
5.4.1 Typical test ................................................................. 47
5.4.2 Voltage test ................................................................47
5.4.3 Current test ...............................................................48
Section 6: Renewal parts .............................................................49
6.1 General.......................................................................49
6.2 Ordering instructions ............................................................49
Notes:...........................................................................50
Notes:...........................................................................51
