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3.3.2
3.3.3
3.4
3.5
92
Autorecloser (AR)
Checking the closing onto a fault
1.
Set the breaker simulating relay, BR, in position open.
2.
Then close it with the SC switch and start the AR within one second.
3.
Check that there is no reclosing.
Checking the breaker not ready
1.
Close the BR breaker relay and see that everything except for
AR01-CBREADY is in normal condition (SRY is open).
2.
Start the AR function.
3.
Check that there is no reclosing.
Testing the multi-breaker arrangement
If a multi-breaker arrangement is used for the application and priorities are given for the master
(high) and slave (low) terminals, test that correct operation takes place and that correct signals
are issued. The signals WFMASTER, UNSUC, WAIT and INHIBIT should be involved.
Completing the test
After the test, restore the equipment to normal or desired state. Especially check these items:
1.
Check and record the counter contents (Reset if it is the user's pref-
erence).
The counters menu is located in the local HMI under:
ServiceReport/Functions/AutoRecloser/AutoRecloser n/Counters/Clear Counters
2.
Reset the setting parameters as required.
3.
Disconnect the test switch or disconnected links of connection ter-
minals.
4.
Reset indications and events.
The ClearDistRep menu is located in the local HMI under:
DisturbReport/ClearDistRep
Continue to test another function or complete the test by setting the test mode to off. Restore
connections and settings to the original values, if they were changed for testing purpose.
Chapter 13
Verifying settings by secondary
injection
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