GE 489

GE Power Management
489 Generator Management Relay A-19
APPENDIX A A.1 COMMISSIONING
A
Time to Trip at 8.00 × FLA 65535 ms
Time to Trip at 10.00 × FLA 65535 ms
Time to Trip at 15.00 × FLA 65535 ms
Time to Trip at 20.00 × FLA 65535 ms
Minimum Allowable Volta
g
e 80%
Stall Current @ Minimum Volta
g
e4.80× FLA
Safe Stall Time @ Min Volta
g
e 20.0 sec.
Acceleration Intersect @ Min Volt 3.80 × FLA
Stall Current @ 100% Volta
g
e6.00× FLA
Safe Stall Time @ 100% Volta
g
e 10.0 sec.
Accel. Intersect @ 100% Volta
g
e5.00× FLA
THERMAL ELEMENTS
Thermal Model Alarm Off
Assi
g
n Alarm Relays ---5
Thermal Alarm Level 75% Used
Thermal Model Alarm Events Off
Thermal Model Trip Off
Assi
g
n Trip Relays 1---
Table A–10: SETPOINTS PAGE 9 – THERMAL MODEL (Sheet 2 of 2)
DESCRIPTION DEFAULT USER VALUE
SETPOINT GROUP 1
USER VALUE
SETPOINT GROUP 2