Neutral Current - GE L60 Instruction Manual

5.5 GROUPED ELEMENTS
SETTING
PHASE DIR 1
FUNCTION:
Disabled=0
Enabled=1
SETTING
AND
PHASE DIR 1
BLOCK:
Off=0
SETTING
PHASE DIR 1 SOURCE:
IA
Seq=ABC Seq=ACB
VBC VCB
SETTING
PHASE DIR 1 BLOCK OC
WHEN V MEM EXP:
No
Yes
5
PHASE B LOGIC SIMILAR TO PHASE A
PHASE C LOGIC SIMILAR TO PHASE A
a) MAIN MENU

PATH: SETTINGS GROUPED ELEMENTS
 NEUTRAL CURRENT

5-186
I 0.05 pu
SETTING
PHASE DIR 1 POL V
THRESHOLD:
-Use V when V Min
-Use V memory when
MEMORY TIMER
V < Min
1 cycle
V MINIMUM
USE ACTUAL VOLTAGE
USE MEMORIZED VOLTAGE
Figure 5–91: PHASE DIRECTIONAL SCHEME LOGIC

SETTING GROUP 1(6)
 NEUTRAL TOC1

 NEUTRAL TOC2
MESSAGE

 NEUTRAL TOC3
MESSAGE

 NEUTRAL TOC4
MESSAGE

 NEUTRAL IOC1
MESSAGE

 NEUTRAL IOC4
MESSAGE

L60 Line Phase Comparison System
SETTING
PHASE DIR 1 ECA:
AND RUN
0
Vpol
1
1 sec


NEUTRAL CURRENT

See page 5–187.
See page 5–187.
See page 5–187.
See page 5–187.
See page 5–188.
↓
See page 5–188.
5 SETTINGS
FLEXLOGIC OPERAND
OR PH DIR1 BLK
FLEXLOGIC OPERAND
PH DIR1 BLK A
OR
AND
FLEXLOGIC OPERAND
PH DIR1 BLK B
FLEXLOGIC OPERAND
PH DIR1 BLK C
827078A6.CDR
5.5.9 NEUTRAL CURRENT
GE Multilin