GE Multilin
C70 Capacitor Bank Protection and Control System
5-161
5 SETTINGS
5.6 GROUPED ELEMENTS
5
Figure 5–77: NEUTRAL VOLTAGE UNBALANCE LOGIC
t
PKP
t DPO
SETTINGS
NTRL VOL UNBAL 1
BUS SOURCE:
VA
VB
VC
NTRL VOL UNBAL 1
NTRL SOURCE:
VX (Vn)
AND
VC_mag > 0.25 pu
VB_mag > 0.25 pu
VA_mag > 0.25 pu
SETTINGS
V
op
=
|(1+kAB+kA
C)*Vn
-
3V0
+
(1-kab)*VB
+
(1-kA
C)*V
C
|
/3
V
re
st=|3
*V
n+3
V
0|/3
NTRL VOL UNBAL 1
BUS 3V0:
SETTINGS
NTRL VOL UNBAL 1
STG 1 PKP:
NTRL VOLT 1 STG1 PKP
FLEXLOGIC OPERAND
TIMER
NTRL VOL UNBAL 1
STG 4 PKP DELAY:
NTRL VOLT 1 STG1 OP
FLEXLOGIC OPERAND
NTRL VOLT 1 STG2 OP
FLEXLOGIC OPERAND
NTRL VOLT 1 STG3 OP
FLEXLOGIC OPERAND
NTRL VOL UNBAL 1
DPO DELAY:
SETTINGS
NTRL VOL UNBAL 1
FUNCTION:
Enabled = 1
NTRL VOL 1 BLK STG1:
Off = 0
5 cycles
0
TIMER
RUN 59NU FUNCTION
COMMANDS
AUTO-SETTING
PROCEDURE
AND
SETTING
COMMANDS/ NTRL
VOL UNBAL 1 AUTO
SET:
Manual
WRITE A NEW SETTING
V0 or VX (3V0)
NTRL VOL UNBAL 1
AC RATIO:
NTRL VOL UNBAL 1
AB RATIO:
NTRL VOL UNBAL 1
STG 1 SLOPE:
SETTINGS
NTRL VOL UNBAL 1
STG 2 PKP:
NTRL VOL UNBAL 1
STG 2 SLOPE:
SETTINGS
NTRL VOL UNBAL 1
STG 3 PKP:
NTRL VOL UNBAL 1
STG 3 SLOPE:
SETTINGS
NTRL VOL UNBAL 1
STG 4 PKP:
NTRL VOL UNBAL 1
STG 4 SLOPE:
NTRL VOLT 1 STG2 PKP
FLEXLOGIC OPERAND
NTRL VOLT 1 STG3 PKP
FLEXLOGIC OPERAND
NTRL VOLT 1 STG4 PKP
FLEXLOGIC OPERAND
t
PKP
t
DPO
NTRL VOL UNBAL 1
STG 3 PKP DELAY:
t
PKP
t
DPO
NTRL VOL UNBAL 1
STG 2 PKP DELAY:
t
PKP
t
DPO
NTRL VOL UNBAL 1
STG 1 PKP DELAY:
NTRL VOLT 1 STG4 OP
FLEXLOGIC OPERAND
NTRL VOL UNBAL 1
DPO DELAY:
TIMER
NTRL VOL UNBAL 1
DPO DELAY:
TIMER
NTRL VOL UNBAL 1
DPO DELAY:
TIMER
OR
FLEXLOGIC OPERANDS
NTRL VOLT 1 PKP
NTRL VOLT 1 DPO
OR
FLEXLOGIC OPERANDS
NTRL VOLT 1 OP
NTRL VOL 1 BLK STG2:
Off = 0
NTRL VOL 1 BLK STG3:
Off = 0
NTRL VOL 1 BLK STG4:
Off = 0
AND
INHIBIT STAGE 1
INHIBIT STAGE 3
INHIBIT STAGE 4
INHIBIT STAGE 2
Apply?
Auto
AND
RUN
RUN
RUN
RUN
AND
AND
AND
AND
834741A1.DWG
Summary of Contents for UR Series C70
Page 2: ......
Page 10: ...x C70 Capacitor Bank Protection and Control System GE Multilin TABLE OF CONTENTS ...
Page 344: ...5 220 C70 Capacitor Bank Protection and Control System GE Multilin 5 10 TESTING 5 SETTINGS 5 ...
Page 586: ...D 10 C70 Capacitor Bank Protection and Control System GE Multilin D 1 OVERVIEW APPENDIXD D ...