GE B30 UR Series

GE Multilin B30 Bus Differential System 5-125
5 SETTINGS 5.6 GROUPED ELEMENTS
5
Figure 5–49: BUS ZONE 1 DIFFERENTIAL SCHEME LOGIC
Off = 0
Off = 0
BUS ZONE 1 DIFF PICKUP:
BUS ZONE 1 DIFF LOW SLOPE: BUS ZONE 1 DIFF LOW BPNT:
BUS ZONE 1 DIFF HIGH SLOPE:
BUS ZONE 1 DIFF HIGH BPNT:
CURRENT
DIRECTIONAL
ELEMENT
SATURATION
DETECTOR
RUN
BUS ZONE 1A STATUS:
BUS ZONE 1F STATUS:
SETTING
SETTING
SETTING
SETTING
SETTING
. . .
. . .
. . .
BUS ZONE 1A SOURCE:
BUS ZONE 1F SOURCE:
PHASORS
DIFFERENTIAL AND RESTRAINING CURRENTS
Iar1
Ibr1
Icr1
Iad1 Ibd1 Icd1
PHASORS SAMPLESSAMPLES
Ia
Ia
a
a
a
a
a
a
a
a
a
b
b
b
b
b
b
b
b
b
c
c
c
c
c
c
c
c
c
ia
ia
Ib
Ib
ib
ib
Ic
Ic
ic
ic
OR
OR
OR
OR
OR
OR
OR
OR
OR
OR
AND
AND
AND
AND
AND
AND
d ifferenti a l
re st r aining
d i fferenti a l
re st r aining
SETTING
SETTING
SETTING
SETTING
Enable=1 Disable = 0
Off = 0
BUS ZONE 1 DIFF FUNCTION:
BUS ZONE 1 DIFF HIGH SET:
FLEXLOGIC OPERANDS BUS 1 DPO
BUS 1 BIASED OP A BUS 1 BIASED DPO A
836721A6.CDR
FLEXLOGIC OPERANDS
FLEXLOGIC OPERANDS
FLEXLOGIC OPERANDS
FLEXLOGIC OPERANDS
FLEXLOGIC OPERANDS
BUS 1 BIASED DPO B
BUS 1 BIASED DPO C
BUS 1 BIASED OP B
BUS 1 BIASED PKP A
BUS 1 DIR A
BUS 1 SAT A
BUS 1 DIR B
BUS 1 SAT B
BUS 1 DIR C
BUS 1 SAT C
BUS 1 BIASED PKP B BUS 1 BIASED PKP C
BUS 1 BIASED OP C
FLEXLOGIC OPERAND
FLEXLOGIC OPERANDS
BUS 1 UNBIASED OP A BUS 1 UNBIASED DPO A BUS 1 OP BUS 1 UNBIASED OP B BUS 1 UNBIASED DPO B BUS 1 UNBIASED OP C BUS 1 UNBIASED DPO C
| Iad1 | > HIGH SET
RUN
RUN
RUN
| Ibd1 | > HIGH SET
| Icd1 | > HIGH SET
BUS ZONE 1 DIFF BLOCK:
OR
OR
AND
0
t
DPO
BUS ZONE 1 DIFF SEAL-IN: