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
1
2
3
4
5
6
7
8
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
T
O
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
GE Power Management
GE Power Management