350C FEEDER PROTECTION SYSTEM – INSTRUCTION MANUAL
5. QUICK SETUP -
FRONT CONTROL
PANEL
Quick Setup settings.........................................................................................................5 - 3
6. SETPOINTS Setpoints Main Menu........................................................................................................6 - 1
Setpoint entry methods.........................................................................................................6 - 2
Common setpoints ..................................................................................................................6 - 3
Logic diagrams..........................................................................................................................6 - 4
Setting text abbreviations....................................................................................................6 - 4
S1 Relay setup .....................................................................................................................6 - 6
Clock...............................................................................................................................................6 - 6
Password security....................................................................................................................6 - 8
Access passwords..................................................................................................................6 - 9
Communications ......................................................................................................................6 - 11
RS485 interface .......................................................................................................................6 - 11
Ethernet.......................................................................................................................................6 - 12
Modbus........................................................................................................................................6 - 12
IEC 60870-5-103 serial communication ......................................................................6 - 14
IEC60870-5-104 protocol....................................................................................................6 - 29
DNP communication.............................................................................................................6 - 30
IEC 61850 GOOSE communications...............................................................................6 - 44
Event recorder ...........................................................................................................................6 - 45
Transient recorder ...................................................................................................................6 - 46
Front panel ..................................................................................................................................6 - 47
Installation...................................................................................................................................6 - 48
S2 System Setup.................................................................................................................6 - 49
Current sensing.........................................................................................................................6 - 49
Voltage sensing.........................................................................................................................6 - 50
Power system.............................................................................................................................6 - 51
Breaker..........................................................................................................................................6 - 51
User curve....................................................................................................................................6 - 52
FlexCurvesâ„¢ ...............................................................................................................................6 - 52
S3 Protection........................................................................................................................6 - 53
Current elements......................................................................................................................6 - 55
TOC curves.................................................................................................................................6 - 56
Phase timed overcurrent protection .............................................................................6 - 63
Phase instantaneous overcurrent protection ...........................................................6 - 66
Ground/Sensitive Ground timed overcurrent protection.....................................6 - 68
Ground/Sensitive Ground instantaneous overcurrent protection...................6 - 71
Ground directional .................................................................................................................6 - 73
Neutral timed overcurrent protection...........................................................................6 - 78
Neutral instantaneous overcurrent protection ........................................................6 - 81
Neutral directional..................................................................................................................6 - 84
Negative sequence instantaneous overcurrent protection ...............................6 - 88
Voltage elements......................................................................................................................6 - 90
Phase undervoltage ..............................................................................................................6 - 90
Phase overvoltage..................................................................................................................6 - 94
Neutral overvoltage...............................................................................................................6 - 96
Negative sequence overvoltage......................................................................................6 - 98
Auxiliary undervoltage .........................................................................................................6 - 100
Auxiliary overvoltage.............................................................................................................6 - 103
Underfrequency.......................................................................................................................6 - 105
Overfrequency..........................................................................................................................6 - 108
Cable Thermal Model..............................................................................................................6 - 110
Courtesy of NationalSwitchgear.com