7 Acceptance/Protection Function Test Guide
7-52
L-PRO 4000 User Manual
D02706R02.30
Contact 10 = Open
8. Slowly ramp up the auxiliary voltage magnitude.
At 69.0 to 71.0 V (expect 70 V):
25/27/59 = Low
Contact 10 = Open
8. Turn all voltage sources off.
End of Sync Check test.
79 Recloser
Test
Settings
• Number of Shots: 4
• First Reclose (T1): 2.0 seconds
• Second Reclose (T2): 4.0 seconds
• Third Reclose (T3): 6.0 seconds
• Fourth Reclose (T4): 8.0 seconds
• Close time (Tp): 0.3 second
• Lockout Reset (TD): 12 seconds
• Initiate Reset (TDI): 1.0 second
• Sync Control: Enable
• Mode: Main then Aux.
• Block Reset (TDB): 1.0 seconds
• Follower Time (TF): 8.0 seconds
• Breaker Out Of Service (TC): 200 seconds
• Follower Sequencer: Close after Recloser Follower Time
• Main Breaker: EI1 [Breaker Status a]
• Aux Breaker: EI2 [Breaker Status a]
The following procedure allows the user to test the Main and Auxiliary 4-shot
reclosers, ending in 79 lockout.
The only test equipment required for this test is a 125 Vdc supply.
Output Contact 5 of the relay is used to simulate the Main Breaker “a” Contact
and Output Contact 6 is used to simulate the Aux Breaker “a” Contact.
The Main Breaker Status is monitored by External Input 1; and Auxiliary
Breaker Status is monitored by External Input 2.
Output 7 is used to simulate a protection operation. It supplies a trip command
via External Input 3 and initiates the 79 operation.
Summary of Contents for L-PRO 4000
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