GE L90 Instruction Manual page 529

CHAPTER 5: SETTINGS
5.8.11.6 CT failure detector
SETTINGS  CONTROL ELEMENTS  MONITORING ELEMENTS  CT FAILURE DETECTOR 1(2 or 4)
 CT FAILURE
 DETECTOR 1
L90 LINE CURRENT DIFFERENTIAL SYSTEM – INSTRUCTION MANUAL
Figure 5-196: Continuous monitor logic
CT FAIL 1 FUNCTION:

Disabled
CT FAIL 1 BLOCK:

Off
CT FAIL 1 3I0 INP 1:

SRC 1
CT FAIL 1 3I0 INP 1

PKP: 0.2 pu
CT FAIL 1 3I0 INP 2:

SRC 2
CT FAIL 1 3I0 INP 2

PKP: 0.2 pu
CT FAIL 1 3V0 INPUT:

SRC 1
CT FAIL 1 3V0 INPUT

PKP: 0.20 pu
CT FAIL 1 PICKUP

DELAY: 1.000 s
CT FAIL 1 TARGET:

Self-reset
CT FAIL 1 EVENTS:

Disabled
Range: Disabled, Enabled
Range: FlexLogic operand
Range: SRC 1, SRC 2, SRC 3, SRC 4
Range: 0.1 to 2.0 pu in steps of 0.1
Range: SRC 1, SRC 2, SRC 3, SRC 4
Range: 0.1 to 2.0 pu in steps of 0.1
Range: SRC 1, SRC 2, SRC 3, SRC 4
Range: 0.04 to 2.00 pu in steps of 0.01
Range: 0.000 to 65.535 s in steps of 0.001
Range: Self-reset, Latched, Disabled
Range: Disabled, Enabled
CONTROL ELEMENTS
5
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