GE 489 Instruction Manual page 273

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