Basler BE1-11g Instruction Manual page 450

Generator protection system
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438
Step 5:
Repeat step 4 for the 5,000 ms and 10,000 ms time delay settings of Table 173. 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 59X-2, 59X-3, and 59X-4.
Pickup Verification (Vx Third Harmonic Mode)
Step 1:
Use BESTCOMSPlus to send the operational settings in Table 174 to the BE1-11g. Reset all
targets.
Setting
Aux VT Ratio
1
Aux VT
AN
Connection
Element Mode
Vx Third
Harmonic
Timing Mode
Definite
59X-1 3RD
Enabled
Step 2:
Use BESTCOMSPlus to configure the BESTlogicPlus programmable logic shown in Figure 304.
Blocking is disabled.
OUT1 closes for 59X-1 Trip.
OUT2 closes for 59X-1 Pickup.
Fault recording is enabled.
Figure 304. BESTlogicPlus Settings (Vx Third Harmonic Mode)
Step 3:
Use BESTCOMSPlus to open the Protection, Voltage, Overvoltage (59X-1) screen and send
the first row of test settings in Table 175 to the BE1-11g.
Step 4:
Prepare to monitor the 59X-1 function operation. Operation can be verified by monitoring OUT2
(see Figure 304).
Auxiliary Overvoltage (59X) Test
Table 174. Operational Settings (Vx Third Harmonic Mode)
Value
BESTCOMSPlus Screen
System Parameters, Sensing
Transformers
System Parameters, Sensing
Transformers
Protection, Voltage,
Overvoltage (59X-1)
Protection, Voltage,
Overvoltage (59X-1)
Target Configuration, Targets
Table 175. Pickup Test Settings (Vx Third Harmonic Mode)
Pickup Setting
125 V
75 V
30 V
9424200994 Rev U
Description
Sets auxiliary VT ratio to 1
Sets auxiliary VT connection to
AN
Enables 59X-1 function for Vx
Third Harmonic mode
Selects definite timings
Enables Vx Third Harmonic
target for 59X-1
Time Delay
50 ms
50 ms
50 ms
BE1-11g

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