10.8.4
Current based delta supervision DELISPVC
GUID-9EAEFF02-62C2-4FA7-8F3D-E92391206F7F v2
Prepare the IED for verification of settings outlined in Section
10.8.4.1
Verifying the signals and settings
GUID-86324E4D-E054-495F-9D64-29741FBD8CBE v2
Make sure that the function is connected to SMAI function with I2P signal.
Delta supervision function has four different modes of operation. Proceed as
follows to test the function in a particular mode.
1.
Set the following parameters:
•
Operation
= ON
•
MeasMode
= Phase-to-ground
•
Imin
= 10% of
IBase
•
DelI>
= 80% of
IBase
•
DeltaT
= 2
•
tHold
= 100
2.
Set the constant current input of IL1 = 1A at 0° and IL2 = 1A at 180°
secondary at rated frequency.
3.
Based on the mode of operation, carry out the following changes on input
condition of Step
to detect start condition.
Each mode is given for increase and decrease operation. (3-a and 3-b)
Step No. OpMode
Changes after step 2
Expected output
3-a
Instantaneous 1
cycle or
Instantaneous 2
cycle
Change IL1 to 2 A
STL1 , STRISE, START signal should
be TRUE for 100 ms
3-b
Instantaneous 1
cycle or
Instantaneous 2
cycle
Change IL1 back to 1A
STL1 , STLOW, START signal should
be TRUE for 100 ms
3-a
RMS or DFT
Mag
Change IL1 to 2 A
STL1, STRISE, START signal should
be TRUE for 100 ms
3-b
RMS or DFT
Mag
Change IL1 back to 1A
STL1 , STLOW, START signal should
be TRUE for 100 ms
4.
Repeat Step
with IL2 changes for different mode.
10.8.4.2
Completing the test
GUID-2FE5E5F0-0E6C-499E-93D2-471C183B89BF 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.
Section 10
1MRK 506 377-UEN C
Testing functionality by secondary injection
128
Railway application RER670 2.2 IEC
Commissioning manual
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