GE 469

A-6 469 Motor Management Relay GE Power Management
A.1 COMMISSIONING APPENDIX A
A
Table A–6: SETPOINTS PAGE 6 – CURRENT ELEMENTS
DESCRIPTION DEFAULT USER VALUE DESCRIPTION DEFAULT USER VALUE
SHORT CIRCUIT CURRENT UNBALANCE
Short Circuit Trip Off Current Unbalance Alarm Off
Short Cct. Trip Overreach Filter Off Assign Alarm Relays Alarm
Assign Trip Relays Trip Current U/B Alarm Pickup 15%
Short Circuit Trip Pickup 0.2 x CT Current U/B Alarm Delay 1 s
Intent. S/C Trip Delay 0 ms Current U/B Alarm Events Off
S/C Trip Backup Off Current Unbalance Trip Off
Assign Backup Relays Auxiliary2 Assign Trip Relays Trip
S/C Trip Backup Delay 200 ms Current U/B Trip Pickup 20%
OVERLOAD ALARM Current U/B Trip Delay 1 s
Overload Alarm Off GROUND FAULT
Assign Alarm Relays Alarm Ground Fault Overreach Filter Off
Overload Alarm Delay 0.1 s Ground Fault Alarm Off
Overload Alarm Events Off Assign Alarm Relays Alarm
MECHANICAL JAM Ground Fault Alarm Pickup 0.10 x CT
Mechanical Jam Trip Off Intentional GF Alarm Delay 0 ms
Assign Trip Relays Trip Ground Fault Alarm Events Off
Mechanical Jam Pickup 1.50 x FLA Ground Fault Trip Off
Mechanical Jam Delay 1 s Assign Trip Relays Trip
UNDERCURRENT Ground Fault Trip Pickup 0.20 x CT
Block U/C From Start 0 s Intentional GF Trip Delay 0 ms
Undercurrent Alarm Off Ground Fault Trip Backup Off
Assign Alarm Relays Alarm Assign GF Trip B/U Relays Auxiliary2
Undercurrent Alarm Pickup 0.70 x FLA GF Trip Backup Delay 200 ms
Undercurrent Alarm Delay 1 s
PHASE DIFFERENTIAL
Undercurrent Alarm Events Off Phase Differential Trip Off
Undercurrent Trip Off Assign Trip Relays Trip
Assign Trip Relays Trip Starting Differential Trip PU 0.10 x CT
Undercurrent Trip Pickup 0.70 x FLA Starting Diff. Trip Delay 0 ms
Undercurrent Trip Delay 1 s Running Diff. Trip Pickup 0.10 x CT
Running Diff. Trip Delay 0 ms