Basler BE1-25/79TR, Instruction Manual, Page: 69 / 78

BE1-25/79TR Testing
5-8
Close Timer
Step 25. Open ENABLE CLOSE switch on the test set.
Step 26. Close test set PAR switch.
Step 27. Trip the test set breaker.
Verify that after the PAR time delay expires, the relay close contacts close for the time duration
programmed.
Step 28. Close the test set breaker and reset relay targets.
LO Timer
Step 29. Trip the test set breaker.
After the PAR timer expires, the close contacts should close for the duration programmed.
Verify that the LO timer starts counting down when the close contacts open. After the LO timer
has timed out, verify that the LO and PAR target LEDs are ON.
Step 30. Close the test set breaker and ENABLE CLOSE switch, open the test set PAR switch, and
reset the relay targets.
LOP Timer
Step 31. Use SET SELECT and Status/EDIT switches to set LOP timer to 100. Save setup using
Status/EDIT and RESET switches.
Step 32. Set line voltage at a live level and bus voltage at a dead level. Close RP1 and trip test set
breaker. Observe that reclose does not occur. Reclose breaker and open RP1.
Control Inputs
PF Timer
Step 1. Perform the preliminary setup procedures. Set the line and bus voltages to dead levels.
Step 2. Close the test set PF switch.
Verify that the PF timer starts counting down when the PF switch is closed and the test set
breaker opens when the PF timer has expired.
Step 3. Open the test set PF switch and close the test set breaker.
BLK Reclosing
Step 4. Set the line and bus voltages at live levels and in phase at system frequency.
Step 5. Close the BLK switch on the test set.