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5-166
C70 Capacitor Bank Protection and Control System
GE Multilin
5.6 GROUPED ELEMENTS
5 SETTINGS
5
Figure 5–64: PHASE CURRENT UNBALANCE SCHEME LOGIC
5.6.5 NEUTRAL CURRENT
a) MAIN MENU
PATH: SETTINGS
GROUPED ELEMENTS
SETTING GROUP 1(6)
NEUTRAL CURRENT
NEUTRAL CURRENT
NEUTRAL TOC1
MESSAGE
NEUTRAL TOC2
↓
MESSAGE
NEUTRAL TOC6
MESSAGE
NEUTRAL IOC1
MESSAGE
NEUTRAL IOC2
↓
MESSAGE
NEUTRAL IOC12
MESSAGE
NEUTRAL
DIRECTIONAL OC1
IA_op > PICKUP
t
PKP
t
DPO
t PKP
t
DPO
t
PKP
t
DPO
SETTINGS
CUR UNBALCE 1
BANK SOURCE:
IA
IB
IC
CUR UNBALCE 1 DIF
SOURCE:
IA_dif
IB_dif
IC_dif
SETTINGS
CUR UNBALCE 1
INHNT FACTOR A:
SETTING
CUR UNBALCE 1 STG
1A PICKUP:
SETTING
CUR UNBALCE 1 STG
2A PICKUP:
SETTING
CUR UNBALCE 1 STG
3A PICKUP:
SETTING
CUR UNBALCE 1 STG
4A PICKUP:
CUR BAL 1 STG 1A PKP
FLEXLOGIC OPERAND
CUR BAL 1 STG 2A PKP
FLEXLOGIC OPERAND
CUR BAL 1 STG 3A PKP
FLEXLOGIC OPERAND
CUR BAL 1 STG 4A PKP
FLEXLOGIC OPERAND
t
PKP
t
DPO
TIMERS
CUR UNBALCE 1 STG
1 PKP DELAY:
CUR UNBALCE 1 STG
2 PKP DELAY:
CUR UNBALCE 1 STG
3 PKP DELAY:
CUR UNBALCE 1 STG
4 PKP DELAY:
CUR BAL 1 STG 1A OP
FLEXLOGIC OPERAND
CUR BAL 1 STG 2A OP
FLEXLOGIC OPERAND
CUR BAL 1 STG 3A OP
FLEXLOGIC OPERAND
CUR BAL 1 STG 4A OP
FLEXLOGIC OPERAND
CUR BAL 1 PKP B
FLEXLOGIC OPERANDS
CUR UNBALCE 1 DPO
DELAY:
CUR BAL 1 PKP A
CUR BAL 1 PKP C
OR
FLEXLOGIC OPERAND
CUR BAL 1 PKP
OR
CUR BAL 1 OP B
FLEXLOGIC OPERANDS
CUR BAL 1 OP A
CUR BAL 1 OP C
OR
FLEXLOGIC OPERAND
CUR BAL 1 OP
OR
CUR BAL 1 DPO
PHASE C
5 cycles
0
TIMER
RUN 60P FUNCTION
PHASE B
COMMANDS
AUTO-SETTING
PROCEDURE
AND
SETTING
COMMANDS/ CUR
UNBALACE 1 AUTO-
SETTING:
Auto
WRITE A NEW SETTING
AND
IC_mag > 0.1pu
IB_mag > 0.1pu
IA_mag > 0.1pu
SETTINGS
CUR UNBALCE 1
FUNCTION:
Enabled = 1
CUR UNBL 1 BLK STG1:
Off = 0
CUR UNBL 1 BLK STG2:
Off = 0
CUR UNBL 1 BLK STG3:
Off = 0
CUR UNBL 1 BLK STG4:
Off = 0
AND
INHIBIT STAGE 1
INHIBIT STAGE 3
INHIBIT STAGE 4
INHIBIT STAGE 2
Apply?
RUN
RUN
IA_op > PICKUP
RUN
IA_op > PICKUP
RUN
IA_op > PICKUP
RUN
AND
AND
AND
AND
Manual
AND
834730A1.CDR
PHASE CT "None" = 0
AND
AND
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ö
ç è
æ
´
´
-
´
=
A
bank
dif
f
bank
A
A
dif
f
A
op
I
n
n
k
I
I
_
_
e
diff_sour
c
secondary_
_
mag
CT
1
Summary of Contents for C70
Page 10: ...x C70 Capacitor Bank Protection and Control System GE Multilin TABLE OF CONTENTS ...
Page 394: ...5 270 C70 Capacitor Bank Protection and Control System GE Multilin 5 10 TESTING 5 SETTINGS 5 ...
Page 676: ...E 10 C70 Capacitor Bank Protection and Control System GE Multilin E 1 OVERVIEW APPENDIX E E ...
Page 698: ...H 8 C70 Capacitor Bank Protection and Control System GE Multilin H 3 WARRANTY APPENDIX H H ...