function blocks can also be individually blocked to ensure that no events are reported to a
remote station during the test. This is done by setting the parameter
EvDisable to Yes.
Any function is blocked if the corresponding setting in the local HMI under Main
menu/Test/Function test modes menu remains
On, that is, the parameter
Blocked is set to Yes and the parameter TestMode under Main menu/Test/IED
test mode remains active. All functions that were blocked or released in a
previous test mode session, that is, the parameter
Test mode is set to On, are
reset when a new test mode session is started.
Procedure
1.
Click the Function test modes menu.
The Function test modes menu is located in the local HMI under Main menu/Test/
Function test modes.
2.
Browse to the function instance that needs to be released.
3.
Set parameter
Blocked for the selected function to No.
11.6
Verifying analog primary and secondary measurement
M11745-2 v13
Verify that the connections are correct and that measuring and scaling is done correctly. This
is done by injecting current and voltage to the IED.
Besides verifying analog input values from the merging unit via the IEC/UCA 61850-9-2LE
process bus, analog values from the transformer input module can be verified as follows.
Apply input signals as needed according to the actual hardware and the
application configuration.
1.
Inject a symmetrical three-phase voltage and current at rated value.
2.
Compare the injected value with the measured values.
The voltage and current phasor menu in the local HMI is located under Main menu/
Measurements/Analog primary values and Main menu/Measurements/Analog
secondary values.
3.
Compare the frequency reading with the set frequency and the direction of the power.
The frequency and active power are located under Main menu/Measurements/
Monitoring/ServiceValues(MMXN)/CVMMXN:x. Then navigate to the bottom of the list
to find the frequency.
4.
Inject an unsymmetrical three-phase voltage and current, to verify that phases are
correctly connected.
If some setting deviates, check the analog input settings under
Main menu/Configuration/Analog modules
11.7
Testing the protection functionality
GUID-125B6F28-D3E5-4535-9CD6-6C056B79F496 v2
Each protection function must be tested individually by secondary injection.
1MRK 502 067-UEN B
Section 11
Testing IED operation
89
Commissioning manual
