5 SETTINGS
SETTING
PHASE DIR 1
FUNCTION:
Disabled=0
Enabled=1
SETTING
AND
PHASE DIR 1
BLOCK:
Off=0
SETTING
I
0.05 pu
PHASE DIR 1 SOURCE:
IA
Seq=ABC
Seq=ACB
SETTING
VBC
VCB
PHASE DIR 1 POL V
THRESHOLD:
-Use V when V
-Use V memory when
V < Min
V
MINIMUM
SETTING
PHASE DIR 1 BLOCK OC
WHEN V MEM EXP:
No
Yes
PHASE B LOGIC SIMILAR TO PHASE A
PHASE C LOGIC SIMILAR TO PHASE A
a) MAIN MENU
PATH: SETTINGS
GROUPED ELEMENTS
NEUTRAL CURRENT
MESSAGE
MESSAGE
MESSAGE
MESSAGE
MESSAGE
GE Multilin
Min
MEMORY TIMER
1 cycle
1 sec
USE ACTUAL VOLTAGE
USE MEMORIZED VOLTAGE
Figure 5–88: PHASE DIRECTIONAL SCHEME LOGIC
SETTING GROUP 1(6)
NEUTRAL TOC1
↓
NEUTRAL TOC4
NEUTRAL IOC1
↓
NEUTRAL IOC4
NEUTRAL
DIRECTIONAL 1
NEUTRAL
DIRECTIONAL 2
L60 Line Phase Comparison System
SETTING
PHASE DIR 1 ECA:
AND
RUN
0
Vpol
1
AND
NEUTRAL CURRENT
See page 5–174.
See page 5–174.
See page 5–175.
See page 5–175.
See page 5–176.
See page 5–176.
5.5 GROUPED ELEMENTS
FLEXLOGIC OPERAND
OR
PH DIR1 BLK
FLEXLOGIC OPERAND
PH DIR1 BLK A
OR
FLEXLOGIC OPERAND
PH DIR1 BLK B
FLEXLOGIC OPERAND
PH DIR1 BLK C
827078A6.CDR
5.5.9 NEUTRAL CURRENT
5-173
5