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1MRK 505 293-UEN B
7.3.10.4
Verifying the
1.
Choose the mode below, which corresponds to the actual case. In the cases below it is
assumed that
Current/CSPRBRF(50BF)/CSPRBRF:1
2.
Continue with the cases shown below.
Checking the re-trip with current check,
1.
Set
2.
Apply the fault condition, including start of CSPRBRF, well above the set current value.
3.
Verify that retrip is achieved after set time
4.
Apply the fault condition, including start of CSPRBRF, with current below set current
value.
5.
Verify that no re-trip, and no back-up trip is obtained.
6.
Disconnect AC and start input signals.
Checking the case without re-trip,
Set RetripMode = Retrip Off .
1.
2.
Apply the fault condition, including start of CSPRBRF , well above the set current value.
3.
Verify that no re-trip, but back-up trip is achieved after set time.
4.
Disconnect AC and start input signals.
Checking re-trip without current check,
1.
Set
2.
Apply the fault condition, including start of CSPRBRF, well above the set current value.
3.
Verify that re-trip is achieved after set time
4.
Apply the fault condition, including start of CSPRBRF, with current below set current
value.
5.
Verify that re-trip is achieved after set time
6.
Disconnect AC and start input signals.
7.3.10.5
Verifying the case
It is assumed that re-trip without current check is selected,
1.
Set
2.
Apply input signal for CB closed to input CBCLD.
3.
Apply input signal, for start of CSPRBRF.
4.
Verify that re-trip and back-up trip are achieved after set times.
5.
Disconnect the start signal. Keep the CB closed signal.
6.
Apply input signal, for start of CSPRBRF.
7.
Arrange disconnection of CB closed signal well before set back-up trip time
8.
Verify that back-up trip is not achieved.
9.
Disconnect injected AC and start input signals.
7.3.10.6
Verifying the function mode
•
To be made only when
•
Checking the case with fault current above set value
•
The operation shall be as in
Breaker protection REQ650
Commissioning manual
RetripMode
FunctionMode = Current as set under Main menu/Settings/IED Settings/
RetripMode = CB Pos Check check.
RetripMode = No CBPos Check .
RetripMode = No CB Pos Check
FunctionMode = Contact .
FunctionMode = Current&Contact is selected.
FunctionMode = Current&Contact .
© Copyright 2013 ABB. All rights reserved
RetripMode = CB Pos Check
t1 and back-up trip after time t2
RetripMode = Retrip Off
RetripMode = No CBPos Check
t1 , and back-up trip after time t2 .
t1 , but no back-up trip is obtained.
RetripMode = No CB Pos Check .
Current&Contact
IP> .
Section 7
Testing functionality
GUID-C52E8E13-1715-4817-A3FA-8BD49F024AC7 v2
GUID-D7E5610C-10B5-40CA-8AFB-34258DE8C038 v1
GUID-BD45E346-023D-4776-BB32-2E877AABB1A9 v1
GUID-967E2665-DC4C-42CC-B95B-FAD53CE4BF66 v1
GUID-BF81D7EB-6978-43FE-A03E-C4875C6EB57B v2
t2 .
GUID-787A9556-3460-4AF6-920E-0E6C5504E78E v1
59
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