GE MOTOR MANAGEMENT RELAY 469

4-38 469 Motor Management Relay GE Power Management
4.6 S5 THERMAL MODEL 4 SETPOINT PROGRAMMING
4
Figure 4–12: VOLTAGE DEPENDENT OVERLOAD (ACCELERATION CURVES)
1
123 456 78
2
3
4
5
6
7
8
9
10
20
30
40
50
60
70
80
90
100
HIGH INERTIA LOAD OVERLOAD CURVES
8800 HP, 13.2 kV, REACTOR COOLANT PUMP
TIME TO TRIP (SECONDS)
MULTIPLES OF FULL LOAD AMPS
200
300
400
500
600
700
800
900
1000
Acceleration intersect @ 80%V
Acceleration Intersect @ 100%V
806823A3.CDR
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