Neutral Current - GE UR series Instruction Manual

5 SETTINGS
SETTING
PHASE DIR 1
FUNCTION:
Disabled=0
Enabled=1
SETTING
AND
PHASE DIR 1
BLOCK:
Off=0
SETTING
PHASE DIR 1 SOURCE: I 0.05 pu
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
The L60 Line Phase Comparison System has two (2) Neutral Time Overcurrent, two (2) Neutral Instantaneous Overcurrent,
and two (2) Neutral Directional Overcurrent elements. These elements are described in the following sub-sections.
GE Multilin
Min
MEMORY TIMER
1 cycle
1 sec
USE ACTUAL VOLTAGE
USE MEMORIZED VOLTAGE
Figure 5–86: PHASE DIRECTIONAL SCHEME LOGIC
SETTING GROUP 1(6)
NEUTRAL TOC1
NEUTRAL TOC2
NEUTRAL IOC1
NEUTRAL IOC2
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 5–166.
See page 5–166.
See page 5–167.
See page 5–167.
See page 5–168.
See page 5–168.
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
5-165
5