468
Setting
Element Mode
Direction
Element Mode
Direction
Element Mode
Direction
50-1 67 A
50-2 67 Residual
50-3 67 Neg SEQ
Step 2:
Use BESTCOMSPlus to configure the BESTlogicPlus programmable logic shown in Figure 306.
•
Blocking is disabled.
•
OUT1 closes for 50-1 Trip.
•
OUT2 closes for 50-2 Trip
•
OUT3 closes for 30-3 Trip.
•
Fault recording is enabled for 50-1, 50-2, and 50-3.
Step 3:
Using Table 213 as a guide, send the settings to the BE1-11g. Prior to each directional test,
reset the BE1-11g targets from the previous test. Max Torque Angle setting, for positive and
Directional Overcurrent (67) Test
Value
BESTCOMSPlus Screen
IA
Protection, Current,
Instantaneous Overcurrent (50-1)
Forward
Protection, Current,
Instantaneous Overcurrent (50-1)
3I0
Protection, Current,
Instantaneous Overcurrent (50-2)
Forward
Protection, Current,
Instantaneous Overcurrent (50-2)
I2
Protection, Current,
Instantaneous Overcurrent (50-3)
Forward
Protection, Current,
Instantaneous Overcurrent (50-3)
Enabled
Target Configuration, Targets
Enabled
Target Configuration, Targets
Enabled
Target Configuration, Targets
Figure 306. BESTlogicPlus Settings
9424200994 Rev N
Description
Enables 50-1 function for
IA mode
Selects forward direction
for 50-1
Enables 50-2 function for
3I0 mode
Selects forward direction
for 50-2
Enables 50-3 function for
I2 mode
Selects forward direction
for 50-3
Enables phase A
directional target for 50-1
Enables residual
directional target for 50-2
Enables Neg SEQ
directional target for 50-3
BE1-11g
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