ABB Relion 670 Series Commissioning Manual page 182

Section 11
Testing functionality by secondary injection
POSCLOSE
POSOPEN
4. Test of CB contact travel time
4.1.
4.2. Change the status of the auxiliary contacts such that travel time to open TTRVOP
4.3. Check that TRVTOPAL and TRVTCLAL are activated.
5. Test of CB status
5.1.
5.2.
5.3.
5.4. Check the circuit breaker is in INVDPOS if auxiliary contacts read same value or CB is
6. Test of remaining life of CB
6.1.
6.2. Vary the phase current in the selected phase from below rated operated current,
6.3. The remaining life of CB output CBLIFEPH is estimated when the CB is changed from
6.4. CBLIFEAL is activated as soon as CBLIFEPH is below the set
7. Test of accumulated energy
7.1.
7.2.
7.3.
7.4.
7.5.
7.6.
8. Test of CB operation cycles
8.1.
8.2. The operation counter, NOOPER is updated for every close-open sequence of the
8.3. OPERALM is activated when NOOPER value exceeds the set
8.4. OPERLO is activated when NOOPER value exceeds the set
9. Test of CB spring charge monitoring
9.1.
9.2. Enable SPRCHRST input. Also activate SPRCHRD after a time greater than set time
9.3. At this condition, SPCHALM is activated.
10. Test of CB gas pressure indication
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Test the set timing defined by
tTrCloseAlm .
and travel time to close TTRVCL exceed the respective set values (
tTrCloseAlm ). The measured travel time for opening and closing is shown on TTRVOP
and TTRVCL respectively.
Test the set current level defined by
Check the CLOSEPOS output by changing the
Check the OPENPOS output by changing the
also inject the current in the selected phase slightly lower and higher than
AccStopCurr set value. Only for a current lower than set AccStopCurr should activate
the output POSOPEN.
open and inject the current in selected phase more than
Test the set timing defined by
OperNoFault , DirCoef , CBLifeAlmLevel .
RatedOperCurr to above rated fault current, RatedFltCurr of a breaker.
closed to open position. Check that the output CBLIFEPH is decreased with a value
that corresponds to the injected current.
Test the actual set values defined by
AlmAccCurrPwr .
Inject phase current in the selected phase such that its value is greater than set
AccStopCurr value.
When the breaker goes to open position, accumulated energy IPOWPH is calculated.
The calculated value can be seen on the output IPOWPH.
Alarm signal IPOWALPH appears when IPOWPH is greater than set
value.
Lockout signal IPOWLOPH appears if IPOWPH exceeds further to the threshold value
LOAccCurrPwr .
Calculation of accumulated energy IPOWPH is stopped when injected current is lower
AccStopCurr value.
than set
Test the actual set values defined by
breaker by changing the position of auxiliary contacts
actual value can be read on the output NOOPER.
Test the actual set value defined by
SpChAlmTime .
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OpenTimeCorr , CloseTimeCorr , tTrOpenAlm and
AccStopCurr .
POSOPEN to 0 and POSCLOSE to 1 .
POSOPEN to 1 and POSCLOSE to 0 and
RatedOperCurr , RatedFltCurr , OperNoRated ,
AccSelCal to Aux Contact , ContTrCorr and
OperAlmLevel and OperLOLevel .
SpChAlmTime .
1MRK 511 403-UEN E
1 0
0 1
tTrOpenAlm and
AccStopCurr set value.
CBLifeAlmLevel value.
AlmAccCurrPwr
POSCLOSE and POSOPEN .
OperAlmLevel value. The
OperLOLevel value.
Bay control REC670
Commissioning manual