6.3.4.1
Completing the test
Continue to test another function or end the testing by setting the parameter
TestMode
to
Off
under
Main menu/Tests/IED test mode/1:TESTMODE
. If another function is
tested, then set the parameter
Blocked
to
No
, under
Main menu/Tests/Function test
modes/<Function group>/<Function>/<1:Function>
for the function, or for each
individual function in a chain, to be tested next. Remember to set the parameter
Blocked
to
Yes
, for each individual function that has been tested.
6.3.5
Power swing detection ZMRPSB (68)
The aim is to verify that the settings of the Power swing detection function ZMRPSB
(68) is according to the setting table and to verify that ZMRPSB (68) operates as expected.
Prepare the IED for verification of settings as outlined in
.
Values of the logical signals for ZMRPSB (68) are available on the local HMI under
Main menu/Tests/Function status/Impedance/ZMRPSB(68)/1:ZMRPSB
. The
Signal Monitoring in PCM600 shows the same signals that are available on the local HMI.
Before starting this process, all impedance measuring zones shall be set and in
operation. Test the outer resistive boarder in forward and reverse direction,
RLdOutFw
and
RLdOutRv
and the inner reactive boarder in forward and reverse direction
X1InFw
and
X1InRv
. See figure
.
The corresponding resistive boarder for the inner resistive boundary and outer resistive
boundary is calculated automatically from the setting of
kLdRFw
and
kLdRRv
.
The inner zone of ZMRPSB (68) must cover all zones by at least 10% margin.
The test is mainly divided into two parts, one which aim is to verify that the settings
are in accordance to the selective plane and a second part to verify the operation of
ZMRPSB (68). The proposed test points for validation of the settings are numbered
according to figure
Test of the interactions or combinations that are not configured are not considered in
this instruction.
1MRK 506 331-UUS A
Section 6
Testing functionality
57
Commissioning Manual
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