GE T35 UR Series

5-160 T35 Transformer Protection System GE Multilin
5.7 CONTROL ELEMENTS 5 SETTINGS
5
• CT FAIL 3V0 INPUT PICKUP: This setting specifies the pickup value for the 3V_0 source.
• CT FAIL PICKUP DELAY: This setting specifies the pickup delay of the CT failure element.
Figure 5–61: CT FAILURE DETECTOR SCHEME LOGIC
CT FAIL FUNCTION:
CT FAIL BLOCK:
CT FAIL 3IO INPUT1: CT FAIL 3IO INPUT1 PKP:
CT FAIL 3VO INPUT: CT FAIL 3VO INPUT:
CT FAIL 3IO INPUT2: CT FAIL 3IO INPUT2 PKP:
CT FAIL PICKUP DELAY:
AND
OR
SETTING
Enabled=1
Disabled=0
SETTING
SETTING SETTING
SETTING SETTING
SETTING SETTING
SETTING
Off=0
SRC1 RUN 3IO > PICKUP
3IO > PICKUP
3VO > PICKUPSRC1 RUN
SRC2 RUN
FLEXLOGIC OPERANDS
CT FAIL OP
CT FAIL PKP
827048A6.CDR
0