Section 11
Testing functionality by secondary injection
The expected value depends on whether definite or inverse time was selected.
7.
Set the polarizing voltage to zero and increase until the boolean output signal UNREL is
activated, which is visible in the Application Configuration in PCM600 when the IED is in online
mode. Compare the voltage with the set value UNRel> .
8.
Continue to test another function or complete the test by setting the test mode to Off.
IEC06000650 V2 EN-US
Figure 44:
160
3I
0
j
3 ×
j
I
cos
0
ROADir
Characteristic with ROADir restriction
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o
=
RCADir
0
Operate area
-
=
3
U
U
0
ref
IEC06000650_2_en.vsd
Line differential protection RED670
1MRK 505 378-UEN Rev. K
Commissioning manual