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GE Multilin
C70 Capacitor Bank Protection and Control System
5-177
5 SETTINGS
5.6 GROUPED ELEMENTS
5
Figure 5–70: NEUTRAL CURRENT UNBALANCE SCHEME LOGIC
t
PKP
t
DPO
SETTINGS
NTRL CUR UNBALCE
1 BANK SOURCE:
SETTINGS
Iop = (IG - K*I_1) MA
G
Ir
est = max(I_2 Mag, I_0 Mag)
NTRL CUR UNBALCE
1 k MAG:
SETTINGS
NTRL CUR UNBALCE
1 STG1 PKP:
NTRL CUR 1 STG1 PKP
FLEXLOGIC OPERAND
TIMER
NTRL CUR UNBALCE
1 STG4 DEL:
NTRL CUR 1 STG1 OP
FLEXLOGIC OPERAND
NTRL CUR 1 STG2 OP
FLEXLOGIC OPERAND
NTRL CUR 1 STG3 OP
FLEXLOGIC OPERAND
NTRL CUR UNBALCE
1 DPO DELAY:
5 cycles
0
TIMER
RUN 60N FUNCTION
COMMANDS
AUTO-SETTING
PROCEDURE
SETTING
COMMANDS/NTRL
CUR UNBALACE 1
AUTO-SET:
WRITE A NEW SETTING
I_2 Mag
NTRL CUR UNBALCE
1 k ANG:
NTRL CUR UNBALCE
1 STG1 SLOPE:
SETTINGS
NTRL CUR UNBALCE
1 STG2 PKP:
NTRL CUR UNBALCE
1 STG2 SLOPE:
SETTINGS
NTRL CUR UNBALCE
1 STG3 PKP:
NTRL CUR UNBALCE
1 STG3 SLOPE:
SETTINGS
NTRL CUR UNBALCE
1 STG4 PKP:
NTRL CUR UNBALCE
1 STG4 SLOPE:
NTRL CUR 1 STG2 PKP
FLEXLOGIC OPERAND
NTRL CUR 1 STG3 PKP
FLEXLOGIC OPERAND
NTRL CUR 1 STG4 PKP
FLEXLOGIC OPERAND
t
PKP
t
DPO
NTRL CUR UNBALCE
1 STG3 DEL:
t
PKP
t
DPO
NTRL CUR UNBALCE
1 STG2 DEL:
t
PKP
t DPO
NTRL CUR UNBALCE
1 STG1 DEL:
NTRL CUR 1 STG4 OP
FLEXLOGIC OPERAND
NTRL CUR UNBALCE
1 DPO DELAY:
TIMER
NTRL CUR UNBALCE
1 DPO DELAY:
TIMER
NTRL CUR UNBALCE
1 DPO DELAY:
TIMER
OR
FLEXLOGIC OPERANDS
NTRL CUR 1 PKP
NTRL CUR 1 DPO
OR
FLEXLOGIC OPERAND
NTRL CUR 1 OP
IG
I_0 Mag
I_1
Apply?
I_1 mag > 0.1 pu
AND
Manual
Auto
AND
RUN
RUN
RUN
RUN
834736A1_3.CDR
SETTINGS
NTRL CUR UNBAL 1
FUNCTION:
Enabled = 1
NTRL CUR 1 BLK STG1:
Off = 0
NTRL CUR 1 BLK STG2:
Off = 0
NTRL CUR 1 BLK STG3:
Off = 0
NTRL CUR 1 BLK STG4:
Off = 0
SETTINGS
NTRL CUR UNBAL 1
FUNCTION:
Enabled = 1
NTRL CUR 1 BLK STG1:
Off = 0
NTRL CUR 1 BLK STG2:
Off = 0
NTRL CUR 1 BLK STG3:
Off = 0
NTRL CUR 1 BLK STG4:
Off = 0
SETTINGS
NTRL CUR UNBAL 1
FUNCTION:
Enabled = 1
NTRL CUR 1 BLK STG1:
Off = 0
NTRL CUR 1 BLK STG2:
Off = 0
NTRL CUR 1 BLK STG3:
Off = 0
NTRL CUR 1 BLK STG4:
Off = 0
AND
AND
INHIBIT STAGE 1
INHIBIT STAGE 3
INHIBIT STAGE 4
INHIBIT STAGE 2
AND
AND
AND
AND
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 ...