GE T60 Instruction Manual page 3

T60 Transformer Protection System
Table of contents
1 INTRODUCTION
2 PRODUCT
DESCRIPTION
3 INSTALLATION
T60 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL
1.1 Safety symbols and definitions ..................................................................... 1-1
1.1.1 General cautions and warnings .................................................................................... 1-1
1.2 For further assistance .................................................................................... 1-2
2.1 Product description......................................................................................... 2-1
2.2 Security.............................................................................................................. 2-4
2.3 Order codes ...................................................................................................... 2-8
2.3.1 Order codes with enhanced CT/VT modules........................................................... 2-8
2.3.2 Order codes with process bus modules ..................................................................2-14
2.3.3 Replacement modules .....................................................................................................2-20
2.4 Signal processing........................................................................................... 2-23
2.4.1 UR signal processing ........................................................................................................2-23
2.5 Specifications ................................................................................................. 2-25
2.5.1 Protection elements ..........................................................................................................2-25
2.5.2 User-programmable elements ....................................................................................2-33
2.5.3 Monitoring..............................................................................................................................2-34
2.5.4 Metering..................................................................................................................................2-35
2.5.5 Inputs .......................................................................................................................................2-36
2.5.6 Power supply ........................................................................................................................2-38
2.5.7 Outputs....................................................................................................................................2-39
2.5.8 Communication protocols..............................................................................................2-41
2.5.9 Inter-relay communications..........................................................................................2-42
2.5.10 CyberSentry security.........................................................................................................2-43
2.5.11 Environmental......................................................................................................................2-43
2.5.12 Type tests ...............................................................................................................................2-44
2.5.13 Production tests ..................................................................................................................2-44
2.5.14 Approvals ...............................................................................................................................2-45
2.5.15 Maintenance.........................................................................................................................2-45
3.1 Unpack and inspect......................................................................................... 3-1
3.2 Panel cutouts.................................................................................................... 3-2
3.2.1 Horizontal units ..................................................................................................................... 3-2
3.2.2 Vertical units ........................................................................................................................... 3-3
3.2.3 Rear terminal layout ........................................................................................................... 3-8
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