GE 469

4-36 469 Motor Management Relay GE Power Management
4.6 S5 THERMAL MODEL 4 SETPOINT PROGRAMMING
4
Figure 4–10: THERMAL LIMITS FOR HIGH INERTIAL LOAD
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123 456 78
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HIGH INERTIA LOAD OVERLOAD CURVES
8800 HP, 13.2 kV, REACTOR COOLANT PUMP
GE Power Management
TIME TO TRIP (SECONDS)
MULTIPLES OF FULL LOAD AMPS
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1000
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1- Running Overload Thermal Limit
2- Acceleration Thermal Limit @ 80%V
3- Acceleration Thermal Limit @ 100%V
4- Locked Rotor Thermal Limit
5- Motor Acceleration Curve @ 80% V
6- Motor Acceleration Curve @ 100%V
806821A3.CDR
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