Check That The Back-Up Trip Function Works; Terminate The Test And Restore The Equipment To Normal State - ABB REC 561 User Manual

1MRK 580 171-XEN
Page 5 - 92
5.5 Check that the back-up
trip function works
5.6 Terminate the test and
restore the equipment
to normal state
Breaker-failure protection
5.1 Set RetripType = Retrip Off, t2 = 200 ms and I> = 100% I
5.2 Apply a stationary three-phase current over the set value.
5.3 Apply a start pulse to BFP--STL1.
5.4 Verify that back-up trip is achieved.
After the tests, restore the equipment to the normal or desired alternatives
and settings!
Check especially that the:
• Setting parameters reset as required and that a verification test is
made.
• Test switches or disconnected links of the connection terminals.
• Normal indications. (If preferred, the disturbance report can be
cleared.)
ABB Network Partner AB
Version 1.0-00
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