GE N60 Instruction Manual page 473

CHAPTER 5: SETTINGS
5.8.10.4 Thermal overload protection (ANSI 49)
SETTINGS  CONTROL ELEMENTS  MONITORING ELEMENTS  THERMAL OVERLOAD PROTECTION 
THERMAL PROTECTION 1(2)
 THERMAL
 PROTECTION 1
N60 NETWORK STABILITY AND SYNCHROPHASOR MEASUREMENT SYSTEM – INSTRUCTION MANUAL
Figure 5-152: CT failure detector logic
THERMAL PROTECTION 1

FUNCTION: Disabled
THERMAL PROTECTION 1

SOURCE: SRC1
THERMAL PROTECTION 1

BASE CURR: 0.80 pu
THERMAL PROTECTION 1

k FACTOR: 1.10
THERM PROT 1 TRIP

TIME CONST: 45 min
THERM PROT 1 RESET

TIME CONST: 45 min
THERM PROT 1 MINIM

RESET TIME: 20 min
THERM PROT 1 RESET:

Off
THERM PROT 1 BLOCK:

Off
THERMAL PROTECTION 1

TARGET: Self-reset
THERMAL PROTECTION 1

EVENTS: Disabled
Range: Disabled, Enabled
Range: SRC 1, SRC 2, SRC 3, SRC 4, SRC 5, SRC 6
Range: 0.20 to 3.00 pu in steps of 0.01
Range: 1.00 to 1.20 in steps of 0.05
Range: 0 to 1000 min. in steps of 1
Range: 0 to 1000 min. in steps of 1
Range: 0 to 1000 min. in steps of 1
Range: FlexLogic operand
Range: FlexLogic operand
Range: Self-reset, Latched, Disabled
Range: Disabled, Enabled
CONTROL ELEMENTS
5
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