GE B30 UR Series

GE Multilin B30 Bus Differential System 5-173
5 SETTINGS 5.7 CONTROL ELEMENTS
5
Figure 5–77: CT TROUBLE SCHEME LOGIC
836722A2.CDR
SETTING
SETTING SETTING
FLEXLOGIC OPERAND
FLEXLOGIC OPERANDS
SETTING
SETTING
Enabled, Alarm=1
Disable = 0
Off = 0
Off = 0
CT TROUBLE ZONE 1
FUNCTION:
CT TROUBLE ZONE 1
PICKUP:
CT TROUBLE ZONE 1
DELAY:
CT TROUBLE 1 OP
CT TROUBLE 1 OP A
CT TROUBLE 1 OP B
CT TROUBLE 1 OP C
| Iad1 | > PICKUP
RUN
RUN
RUN
| Ibd1 | > PICKUP
| Icd1 | > PICKUP
BUS ZONE 1A STATUS:
BUS ZONE 1F STATUS:
SETTING
SETTING
BUS ZONE 1A SOURCE:
BUS ZONE 1F SOURCE:
PHASORS
PHASORS
DIFFERENTIAL CURRENTS
Icd1
Ibd1
Iad1
Ia
Ia
Ib
Ib
Ic
Ic
OR
. . .
PKP
PKP
PKP
0
0
0