7 Acceptance/Protection Function Test Guide
7-46
L-PRO 4000 User Manual
D02706R02.30
AND gate. The initiate in this case is provided by Virtual Input 3 which will
latch until the current drops below the 50LS threshold.
Note: ProLogic 2 (not shown) is for 52-4 (Input 4).
Figure 7.31: Breaker Fail Created Using ProLogic
Input 3 Breaker Fail Test Procedure
1. Apply 0.31 A to the relay Terminals 312 – 313.
2. In Relay Control Pane access
Utilities>Virtual Inputs.
Select Virtual Input 3 “Init BF 52-3”.
Pulse On
Observe after 1 Second: Target “Breaker Fail 52-3: PL1”.
3. Reduce current to zero.
4. Apply the same process to Input 4, Terminals 318
–
319, using Virtual Input
4 “Init BF2-4”.
End of 50BF and 50LS tests.
For the next group of tests using the Acceptance Test file, change to Setting
Group 3.
1. In Relay Control Panel access
Utilities>Virtual Inputs.
2. In the drop down list of virtual inputs, select the corresponding virtual input
to “Switch to SG3”.
3. Cursor over to Action and select
Pulse On
.
4. Click on
Pulse On
to execute this command, the Active Setting Group is
Group 3 now.
Summary of Contents for L-PRO 4000
Page 1: ...L PRO 4000 Transmission Line Protection Relay User Manual Version 2 3 Rev 0...
Page 2: ......
Page 4: ......
Page 8: ......
Page 10: ......
Page 14: ......
Page 40: ......
Page 50: ......
Page 116: ......
Page 146: ......
Page 218: ......
Page 252: ...Appendix B IED Settings and Ranges Appendix B 34 L PRO 4000 User Manual D02706R02 30...
Page 260: ......
Page 270: ......
Page 302: ......
Page 308: ......
Page 310: ......
Page 312: ......