GE Multilin 345 - Default Chapter; Table of Contents

345 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL TOC-1
Table of Contents
1. INTRODUCTION Overview ............................................................................................................................ 1 - 1
Description of the 345 Transformer Protection System.............................. 1 - 2
345 order codes..............................................................................................................1 - 7
Specifications................................................................................................................... 1 - 9
Password security................................................................................................................1 - 9
Protection.................................................................................................................................1 - 9
Metering....................................................................................................................................1 - 11
Data capture ..........................................................................................................................1 - 12
Control.......................................................................................................................................1 - 12
Monitoring................................................................................................................................1 - 14
Inputs .........................................................................................................................................1 - 14
Outputs......................................................................................................................................1 - 15
Power supply..........................................................................................................................1 - 15
Communications ..................................................................................................................1 - 16
Testing and certification ...................................................................................................1 - 17
Physical.....................................................................................................................................1 - 18
Environmental........................................................................................................................1 - 19
2. INSTALLATION Mechanical installation ............................................................................................... 2 - 1
Dimensions..............................................................................................................................2 - 1
Product identification .........................................................................................................2 - 3
Mounting ..................................................................................................................................2 - 4
Standard panel mount .....................................................................................................2 - 4
Drawout unit withdrawal and insertion.....................................................................2 - 9
IP20 Cover (optional) ...........................................................................................................2 - 10
Electrical installation ....................................................................................................2 - 11
Typical Wiring Diagrams ..................................................................................................2 - 12
345 Terminal identification..............................................................................................2 - 14
Wire range...............................................................................................................................2 - 17
RMIO module installation..................................................................................................2 - 18
Phase sequence and transformer polarity ..............................................................2 - 19
Current inputs ........................................................................................................................2 - 19
Ground and sensitive ground CT inputs ....................................................................2 - 20
Zero sequence CT installation........................................................................................2 - 21
Control power ........................................................................................................................2 - 21
Contact inputs .......................................................................................................................2 - 22
Trip1 and Trip2 output relays .........................................................................................2 - 23
Serial communications......................................................................................................2 - 25
IRIG-B .........................................................................................................................................2 - 26
3. INTERFACES Front control panel interface.................................................................................... 3 - 2
Description ..............................................................................................................................3 - 3
Display.......................................................................................................................................3 - 4
Working with the Keypad ...............................................................................................3 - 4
LED status indicators - Front panel with non-programmable LEDs ............3 - 5
LED status indicators - Front panel with programmable LEDs ......................3 - 7
Relay messages....................................................................................................................3 - 8
Target messages.................................................................................................................3 - 8
Self-test errors......................................................................................................................3 - 9
Flash messages...................................................................................................................3 - 11