9.8.2.2
Testing the liquid medium supervision for temperature alarm and
temperature lock out conditions
GUID-189AF20B-D0E3-453D-A787-68F25D0903D3 v1
1.
Consider the analogue temperature input
SENTEMP
and set
SENTEMP
to a value higher
than
TempAlarmLimit, check that outputs
TEMPALM
and
ALARM
are activated after a set
time delay of
tTempAlarm.
2.
Temperature lockout input
SETTLO
can be used to set
TEMPLO
signal.
3.
Also, increase further the temperature input above
TempLOLimit, check that the outputs
TEMPLO
and
LOCKOUT
appears after a set time delay of
tTempLockOut.
4.
Activate
BLOCK
binary input and check that the outputs
TEMPALM
,
TEMPLO
,
ALARM
and
LOCKOUT
disappear.
5.
Reset the
BLOCK
binary input.
6.
Make sure that temperature lockout condition exists and then activate the reset lock out
input
RESETLO
and check that the outputs
TEMPLO
and
LOCKOUT
reset.
9.8.2.3
Completing the test
GUID-1A0D8AF0-4C48-45E8-B31D-96734ED1A4D2 v2
Continue to test another function or end the test by changing the
TestMode setting to Off.
Restore connections and settings to their original values, if they were changed for testing
purposes.
9.8.3
Breaker monitoring SSCBR
GUID-10D26C82-79FF-4EAD-AE4A-2F2DBE965087 v3
Prepare the IED for verification of settings outlined in section “Testing the IED operation”.
The Signal Monitoring tool in PCM600 shows the service values that are available on the Local
HMI as well.
Values of the logical signals belong to the breaker monitoring are available on the local HMI
under: Main menu/Test/Function status/Monitoring/BreakerMonitoring/SSCBR:x
9.8.3.1
Verifying the settings
GUID-962A344D-5F8D-49A6-B3AC-29C7FEED0A3D v4
1.
Connect the test set for the injection of a three-phase current to the appropriate current
terminals of the IED.
2.
If current need to be injected for a particular test, it should be done in the phase selected
by the
PhSel parameter.
3.
Follow the sequence for positioning the auxiliary contacts before testing:
POSCLOSE
0
1
0
POSOPEN
0
0
1
4. Test of CB contact travel time
4.1. Test the set timing defined by
OpenTimeCorr, CloseTimeCorr, tTrOpenAlm and
tTrCloseAlm.
4.2. Change the status of the auxiliary contacts such that travel time to open
TTRVOP
and travel time to close
TTRVCL
exceed the respective set values (
tTrOpenAlm and
tTrCloseAlm). The measured travel time for opening and closing is shown on
TTRVOP
and
TTRVCL
respectively.
4.3. Check that
TRVTOPAL
and
TRVTCLAL
are activated.
5. Test of CB status
5.1. Test the set current level defined by
AccStopCurr.
5.2. Check the
CLOSEPOS
output by changing the
POSOPEN to 0 and POSCLOSE to 1.
5.3. Check the
OPENPOS
output by changing the
POSOPEN to 1 and POSCLOSE to 0 and
also inject the current in the selected phase slightly lower and higher than
Section 9
1MRK 505 385-UEN C
Testing functionality by secondary injection
94
Breaker protection REQ650
Commissioning manual
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