Date Code 20010625
Setting the Relay
9-15
SEL----311L Instruction Manual
Row
Bit
Definition
Primary
Application
16
MAG1
Mho ground distance A-phase, zone 1
(see Figure 3.32)
Testing
MBG1
Mho ground distance B-phase, zone 1
(see Figure 3.32)
MCG1
Mho ground distance C-phase, zone 1
(see Figure 3.32)
MAG2
Mho ground distance A-phase, zone 2
(see Figure 3.33)
MBG2
Mho ground distance B-phase, zone 2
(see Figure 3.33)
MCG2
Mho ground distance C-phase, zone 2
(see Figure 3.33)
DCHI
Station dc battery instantaneous overvoltage element
(see Figure 8.34)
Indication
DCLO
Station dc battery instantaneous undervoltage
element (see Figure 8.34)
17
BCW
BCWA + BCWB + BCWC
BCWA
A-phase breaker contact wear has reached 100%
wear level (see
Breaker Monitor
in
Section 8
)
BCWB
B-phase breaker contact wear has reached 100%
wear level (see
Breaker Monitor
in
Section 8
)
BCWC
C-phase breaker contact wear has reached 100%
wear level (see
Breaker Monitor
in
Section 8
)
FIDEN
311L Main Board Fault Identification Logic Enabled.
This Relay Word bit will not assert if FTSE is
enabled.
Internal control
FSA
A-phase to ground or B-C phases to ground fault
identification logic output used in distance element
logic
FSB
B-phase to ground or A-C phases to ground fault
identification logic output used in distance element
logic
FSC
C-phase to ground or A-B phases to ground fault
identification logic output used in distance element
logic
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