Keep the CBREADY signal high.
2.
Set the breaker simulating relay BR in Open position.
3.
Close the BR relay and apply immediately a fault and thereby a START signal.
4.
Check that no reclosing takes place.
7.7.3.7
Checking the influence of CB not ready for reclosing
GUID-47672FDA-EBA9-47C4-9370-2759A103A2E6 v1
1.
Check that the auto-reclosing function is operative, for example by making a reclosing
shot.
Keep the CB simulator BR closed. Remove the CBREADY signal by opening SRY.
2.
Apply a fault and thereby a START signal.
3.
Check that no reclosing takes place.
7.7.3.8
Checking the influence of synchrocheck (at three-phase reclosing)
GUID-5CD5BC6C-319D-4CBB-9BE6-D1C5C37A6541 v1
1.
Check that the auto-reclosing function is operative, for example, by making a three-
phase reclosing shot with the synchrocheck condition.
Remove the SYNC signal.
2.
Apply a fault causing three-phase trip and thereby a START and a TR3P signal.
3.
Wait for the
tSync time out limit.
Check that no reclosing is made.
7.7.3.9
Restoring equipment
GUID-478BE754-2A0D-4123-8FBA-C70166A4648F v1
After the tests, restore the equipment to normal or desired state. Check the following items in
particular.
1.
Check the operation counters.
Reset the counters to zero, if that is the user's preference. The counter reset function is
found in the HMI under Main menu/Clear/Clear counters/STBRREC (79, 0->1)
2.
Restore settings that may have been modified for the tests back to normal.
3.
Disconnect the test switch, CB simulating arrangement and test circuits. Reconnect any
links or connection terminals, which may have been opened for the tests.
4.
Reset indications, alarms and disturbance recordings.
Clearing of the disturbance report must be done via PCM600 using the Disturbance
Handling tool.
7.7.3.10
Completing the test
GUID-CBADEA1A-ED12-4530-9ED2-BC794F208CE6 v1
Continue to test another function or end the testing by setting the parameter
TestMode to Off
under Main menu/Tests/IED test mode/TESTMODE:1. If another function is tested, then set
the parameter
Blocked to No under Main menu/Tests/Function test modes/Control/
STBRREC(79,0->1)/STBRREC:1 for the function, or for each individual function in a chain, to be
tested next. Remember to set the parameter
Blocked to Yes, for each individual function that
has been tested.
7.7.4
Interlocking
M11755-2 v6.1.1
Prepare the IED for verification of settings as outlined in section
Section 7
1MRK 505 293-UEN B
Testing functionality
92
Breaker protection REQ650
Commissioning manual
© Copyright 2013 ABB. All rights reserved
Summary of Contents for REQ650 1.3 IEC
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