345 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL TOC-3
Transient records .................................................................................................................4 - 12
Fault report..............................................................................................................................4 - 13
Learned data..........................................................................................................................4 - 14
Clear learned data ...............................................................................................................4 - 14
Clear event record ...............................................................................................................4 - 14
Clear transient record ........................................................................................................4 - 14
Clear thermal capacity record.......................................................................................4 - 15
Clear fault report ..................................................................................................................4 - 15
A4 Target messages.....................................................................................................4 - 16
5. QUICK SETUP -
FRONT CONTROL
PANEL
Quick Setup settings..................................................................................................... 5 - 2
6. SETPOINTS Setpoints Main Menu.................................................................................................... 6 - 1
Setpoint entry methods ....................................................................................................6 - 2
Common setpoints .............................................................................................................6 - 2
Logic diagrams......................................................................................................................6 - 3
Setting text abbreviations................................................................................................6 - 4
S1 Relay setup................................................................................................................. 6 - 5
Clock...........................................................................................................................................6 - 5
Password security................................................................................................................6 - 7
Access passwords..............................................................................................................6 - 8
Communications ..................................................................................................................6 - 10
RS485 interface ...................................................................................................................6 - 10
Ethernet...................................................................................................................................6 - 10
Modbus....................................................................................................................................6 - 11
IEC 60870-5-103 serial communication ..................................................................6 - 12
IEC60870-5-104 protocol................................................................................................6 - 12
DNP communication.........................................................................................................6 - 12
3 Series IEC 61850 GOOSE details...............................................................................6 - 13
Event recorder .......................................................................................................................6 - 14
Transient recorder ...............................................................................................................6 - 15
Fault report..............................................................................................................................6 - 16
Front panel with non-programmable LEDs .............................................................6 - 17
Front panel with programmable LEDs .......................................................................6 - 18
Installation...............................................................................................................................6 - 20
S2 System Setup ............................................................................................................ 6 - 21
Current sensing.....................................................................................................................6 - 21
Power system ........................................................................................................................6 - 22
Transformer ............................................................................................................................6 - 22
Transformer setup phase & magnitude compensations ..................................6 - 23
Winding breakers .................................................................................................................6 - 35
S3 Protection.................................................................................................................... 6 - 37
Breaker tripping ....................................................................................................................6 - 37
Transformer percent differential (87T)........................................................................6 - 40
Transformer instantaneous differential (50/87).....................................................6 - 45
Restricted ground fault (87G or RGF)...........................................................................6 - 47
Thermal Overload (49)........................................................................................................6 - 52
Time overcurrent curves...................................................................................................6 - 56
Phase timed overcurrent (51P).......................................................................................6 - 60
Phase instantaneous overcurrent (50P).....................................................................6 - 63
Ground timed overcurrent (51G/SG)............................................................................6 - 65
Ground instantaneous overcurrent (50G/SG) .........................................................6 - 68
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