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Section 11
Testing functionality by secondary injection
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2.
Set the constant current input of IL1 = 1A at 0° and IL2 = 1A at 120° and IL3 at -120° secondary at
rated frequency.
3.
Based on the mode of operation, carry out the following changes on input condition of Step
detect pickup condition.
Each mode is given for increase and decrease operation. (3-a and 3-b)
Step No.
3-a
3-b
3-a
3-b
4.
Repeat Step
11.8.4.2
Completing the test
Continue to test another function or end the test by changing the TestMode setting to Disabled. Restore
connections and settings to their original values, if they were changed for testing purposes.
11.8.5
Delta supervision of real input DELSPVC
Prepare the IED for verification of settings outlined in Section
11.8.5.1
Verifying the signals and settings
Make sure that the function is connected to any of the available real derived outputs, for example the P
output signal of the CMMXU function.
1.
Set the following parameters:
134
Operation = ON
MeasMode = Phase-to-ground
Imin = 10% of IBase
DelI> = 80% of IBase
DeltaT = 2
tHold = 100
OpMode
Instantaneous 1
cycle or
Instantaneous 2
cycle
Instantaneous 1
cycle or
Instantaneous 2
cycle
RMS or DFT Mag
RMS or DFT Mag
3
with IL2 changes for different mode.
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Changes after step 2
Change IL1 to 2 A
Change IL1 back to 1A
Change IL1 to 2 A
Change IL1 back to 1A
"Preparing the IED to verify
1MRK 511 409-UUS Rev. K
Expected output
STL1 , STRISE, BFI_3P signal should be
TRUE for 100 ms
STL1 , STLOW, BFI_3P signal should be
TRUE for 100 ms
STL1, STRISE, BFI_3P signal should be
TRUE for 100 ms
STL1 , STLOW, BFI_3P signal should be
TRUE for 100 ms
GUID-2FE5E5F0-0E6C-499E-93D2-471C183B89BF v2
GUID-86ADAAC5-B6D3-46FE-A090-81F7C90A31A7 v1
settings".
GUID-8337C76B-A361-426E-B936-763105D85588 v1
Phasor measurement unit RES670
Commissioning manual
2
to
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