Fwdr Fwdx ) - ABB Relion 670 Series Commissioning Manual

Section 11
Testing functionality by secondary injection
•
•
Verifying the settings by secondary injection
It is advised to connect the analog output channels of the function block OOSPPAM to the
internal disturbance recorder (and in particular to the function block A4RADR) in order to
perform a better analysis of the tests.
If the device is in test mode, the recording of the disturbances are enabled by the setting in
Main menu/Settings/IED Settings/Monitoring/Disturbance report/DisturbanceReport/
DRPRDRE:1: set the parameter
1. Check the Application Configuration: verify that hardware voltage and current channels of
the IED are properly connected to SMAI function blocks, and that the proper analog
outputs of SMAI's are connected to the analog inputs of the function block OOSPPAM.
2. Connect three-phase voltage channels of the test set to the appropriate IED terminals.
3. Connect in parallel two groups of three-phase currents of the test set to the appropriate
IED terminals.
4. Connect the appropriate trip output of the IED to the input channel of the test set that
monitors the trip.
5. Go to Main menu/Settings/IED Settings/Impedance protection/OutOfStep(78,Ucos)/
OOSPPAM(78,Ucos):1, and make sure that the function is enabled, that is,
On .
to
11.4.12.2 Test of point RE (R
The trajectory of the impedance does not enter the lens characteristic.
Preliminary steady state test at 50 Hz
• Go to Main menu/Test/Function status/Impedance protection/OutOfStep(78,Ucos)/
OOSPPAM(78,Ucos):1/Outputs to check the available service values of the function block
OOSPPAM.
• Apply the following three-phase symmetrical quantities (the phase angle is related to
phase L1):
V
ts
EQUATION14057 V1 EN-US
144
49.5 Hz for the test as generator in the quadrant 1 and 2 of the R-X plane
50.5 Hz for the test as generator in the quadrant 3 and 4 of the R-X plane
When the trajectory of the impedance, that is seen by the protection function,
traverses the lens characteristic then a pole slipping is detected. The present
procedure avoids tests of points of the line SE-RE that are too close to the R-
axis because in that case the voltage is close to zero and, therefore, the
impedance may approach a not defined quantity 0/0.
The accuracy of the impedance reach is ±2% of the base impedance; that is
considered while evaluating the test results.
For the test as motor the frequency current may have 50.5 Hz in the quadrant 1
and 2 of the R-X plane and 49.5 Hz in the quadrant 3 and 4.
, X
FwdR
V
VT s ,
1 1 . V 1 1 11931 .
= × × = ×
t FwdZ ,
V
VT p ,
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OpModeTest to On .
)
FwdX
0 1 .
95 1 . V
× =
13 8 .
1MRK 504 165-UEN E
GUID-1752CE04-7C0F-4D37-9602-B22D8096DD2D v1
Operation is set
GUID-911D370F-8767-4D6C-9621-8663DD26006C v1
GUID-5C5E9BEB-AA60-474E-ACEC-B972ACFE6FA2 v1
GUID-8F95CCCC-3282-48E8-9F5E-3F3E77CCCAAE v1
(Equation 21)
Transformer protection RET670
Commissioning manual