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9.3.1.5
Over/Undervoltage feature
SEMOD56488-83 v2
Procedure
1.
Connect the test set for injection three-phase voltages to the appropriate
voltage terminals of the IED.
2.
Inject voltage(s) in a way that relevant measured (according to setting
parameter
VoltageInput
) voltages are created from the test set.
3.
Overall check in principal as above (non-directional overcurrent feature) and
correspondingly for the undervoltage feature.
9.3.1.6
Completing the test
SEMOD56488-99 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.
9.4
Secondary system supervision
SEMOD53556-1 v1
9.4.1
Current circuit supervision CCSSPVC
M12917-25 v8
Prepare the IED for verification of settings outlined in Section
The Current circuit supervision function CCSSPVC is conveniently tested with the
same three-phase test set as used when testing the measuring functions in the IED.
The condition for this procedure is that the setting of
IMinOp
is lower than the
setting of
Ip>Block
.
9.4.1.1
Verifying the settings
M12917-31 v8
1.
Check the input circuits and the operate value of the
IMinOp
current level
detector by injecting current, one phase at a time.
2.
Check the phase current blocking function for all three phases by injecting
current, one phase at a time. The output signals shall reset with a delay of 1
second when the current exceeds 1.5 ·
IBase
.
3.
Inject a current 0.1 ·
IBase
to the reference current input I5.
4.
Increase slowly the current in one of the phases and check that FAIL output is
obtained when the current is above 0.9 ·
IBase
.
Section 9
1MRK 511 425-UEN A
Testing functionality by secondary injection
72
Bay control REC650 2.2 IEC
Commissioning manual
Содержание RELION REC650
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