Basler BE1-11g Instruction Manual page 431

Generator protection system
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9424200994 Rev U
Step 5:
Repeat step 4 for the 5,000 ms and 10,000 ms time delay settings of Table 149. Record the
results.
Step 6:
(Optional.) Repeat steps 1 through 5 for settings group 1, 2, and 3.
Step 7:
(Optional.) Repeat steps 1 through 6 for 27X-2, 27X-3, and 27X-4.
Pickup Verification (V2 Mode)
Step 1:
Use BESTCOMSPlus to send the operational settings in Table 150 to the BE1-11g. Reset all
targets.
Setting
Phase VT Ratio
1
Phase VT
4W-Y
Connection
27/59 Mode
PN
Element Mode
V2
Inhibit Level
10 V
Timing Mode
Definite
27X-1 V2
Enabled
Step 2:
Use BESTCOMSPlus to configure the BESTlogicPlus programmable logic shown in Figure 296.
Blocking is disabled.
OUT1 closes for 27X-1 Trip.
OUT2 closes for 27X-1 Pickup.
Fault recording is enabled.
Step 3:
Use BESTCOMSPlus to open the Protection, Voltage, Undervoltage (27X-1) screen and send
the first row of test settings in Table 151 to the BE1-11g.
BE1-11g
Table 150. Operational Settings (V2 Mode)
Value
BESTCOMSPlus Screen
System Parameters, Sensing
Transformers
System Parameters, Sensing
Transformers
System Parameters, Sensing
Transformers
Protection, Voltage, Undervoltage
(27X-1)
Protection, Voltage, Undervoltage
(27X-1)
Protection, Voltage, Undervoltage
(27X-1)
Target Configuration, Targets
Figure 296. BESTlogicPlus Settings (V2 Mode)
Table 151. Pickup Test Settings (V2 Mode)
Pickup Setting
78 V
38 V
22 V
Description
Sets phase VT ratio to 1
Sets phase VT connection to
4W-Y
Sets 27/59 mode to phase-
neutral
Enables 27X-1 function for V2
mode
Sets inhibit level to 10 V
Selects definite timings
Enables V2 target for 27X-1
Time Delay
50 ms
50 ms
50 ms
Auxiliary Undervoltage (27X) Test
419

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