GE L90

5-370 L90 LINE CURRENT DIFFERENTIAL SYSTEM – INSTRUCTION MANUAL
CONTROL ELEMENTS CHAPTER 5: SETTINGS
5
Figure 5-212: Open pole detector logic (Sheet 2 of 2)
5.8.11.9 Thermal overload protection (ANSI 49)
SETTINGS  CONTROL ELEMENTS  MONITORING ELEMENTS  THERMAL OVERLOAD PROTECTION 
THERMAL PROTECTION 1(2)
 THERMAL
 PROTECTION 1

THERMAL PROTECTION 1
FUNCTION: Disabled
Range: Disabled, Enabled

THERMAL PROTECTION 1
SOURCE: SRC1
Range: SRC 1, SRC 2, SRC 3, SRC 4

THERMAL PROTECTION 1
BASE CURR: 0.80 pu
Range: 0.20 to 3.00 pu in steps of 0.01

THERMAL PROTECTION 1
k FACTOR: 1.10
Range: 1.00 to 1.20 in steps of 0.05

THERM PROT 1 TRIP
TIME CONST: 45 min
Range: 0 to 1000 min. in steps of 1

THERM PROT 1 RESET
TIME CONST: 45 min
Range: 0 to 1000 min. in steps of 1

THERM PROT 1 MINIM
RESET TIME: 20 min
Range: 0 to 1000 min. in steps of 1

THERM PROT 1 RESET:
Off
Range: FlexLogic operand

THERM PROT 1 BLOCK:
Off
Range: FlexLogic operand

THERMAL PROTECTION 1
TARGET: Self-reset
Range: Self-reset, Latched, Disabled

THERMAL PROTECTION 1
EVENTS: Disabled
Range: Disabled, Enabled