GE L30 Instruction Manual page 508

CONTROL ELEMENTS
5
5.8.11.4 Incipient fault detector
SETTINGS  CONTROL ELEMENTS  MONITORING ELEMENTS  INCIPIENT FAULT 1
 INCIPIENT FAULT 1

There is one incipient cable fault detection element.
5-294
Figure 5-156: CT failure detector logic
INCIPIENT FAULT 1

FUNCTION: Disabled
INCIPNT FLT 1 BLOCK:

Off
INCIPIENT FAULT 1

SOURCE: SRC 1
INCIPIENT FAULT 1

PICKUP: 0.50 pu
INCIPNT FLT 1 MODE:

Number of counts
INCIPIENT FLT 1 TRIP

COUNTS NUMBER: 2
INCIPNT FLT 1 DETECT

WINDOW: 10.00 s
INCIPIENT FAULT 1

RESET DELAY: 0.100 s
INCIPIENT FAULT 1

TARGET: Self-reset
INCIPIENT FAULT 1

EVENTS: Disabled
Range: Disabled, Enabled
Range: FlexLogic operand
Range: SRC 1, SRC 2
Range: 0.10 to 10.00 pu in steps of 0.01
Range: Number of counts, Counts per window
Range: 1 to 10 in steps of 1
Range: 0.00 to 1000.00 s 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
L30 LINE CURRENT DIFFERENTIAL SYSTEM – INSTRUCTION MANUAL
CHAPTER 5: SETTINGS