GE 489

A-18 489 Generator Management Relay
GE Power Management
A.1 COMMISSIONING APPENDIX A
A
Table A–10: SETPOINTS PAGE 9 – THERMAL MODEL (Sheet 1 of 2)
DESCRIPTION DEFAULT USER VALUE
SETPOINT GROUP 1
USER VALUE
SETPOINT GROUP 2
THERMAL MODEL SETUP
Enable Thermal Model No
Overload Pickup Level 1.01 × FLA
Unbalance Bias K Factor 0
Cool Time Constant Online 15 min.
Cool Time Constant Offline 30 min.
Hot/Cold Safe Stall Ratio 1.00
Enable RTD Biasin
g
No
RTD Bias Minimum 40°C
RTD Bias Center Point 130°C
RTD Bias Maximum 155°C
Select Curve Style Standard
Standard Overload Curve Number 4
Time to Trip at 1.01 × FLA 65535 ms
Time to Trip at 1.05 × FLA 65535 ms
Time to Trip at 1.10 × FLA 65535 ms
Time to Trip at 1.20 × FLA 65535 ms
Time to Trip at 1.30 × FLA 65535 ms
Time to Trip at 1.40 × FLA 65535 ms
Time to Trip at 1.50 × FLA 65535 ms
Time to Trip at 1.75 × FLA 65535 ms
Time to Trip at 2.00 × FLA 65535 ms
Time to Trip at 2.25 × FLA 65535 ms
Time to Trip at 2.50 × FLA 65535 ms
Time to Trip at 2.75 × FLA 65535 ms
Time to Trip at 3.00 × FLA 65535 ms
Time to Trip at 3.25 × FLA 65535 ms
Time to Trip at 3.50 × FLA 65535 ms
Time to Trip at 3.75 × FLA 65535 ms
Time to Trip at 4.00 × FLA 65535 ms
Time to Trip at 4.25 × FLA 65535 ms
Time to Trip at 4.50 × FLA 65535 ms
Time to Trip at 4.75 × FLA 65535 ms
Time to Trip at 5.00 × FLA 65535 ms
Time to Trip at 5.50 × FLA 65535 ms
Time to Trip at 6.00 × FLA 65535 ms
Time to Trip at 6.50 × FLA 65535 ms
Time to Trip at 7.00 × FLA 65535 ms
Time to Trip at 7.50 × FLA 65535 ms