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9.3
90
Line differential protection (DIFL)
7.
Check the charging current compensation by comparing the
measured I
values.
DiffLx
The measured I
DiffLx
the CCC used.
8.
Remove the external blocking of the trip signal when this test
has been successfully performed.
Completing the test
Continue to test another function or complete the test by setting the test mode to off.
shall be near zero in each separate phase with
Chapter 11
Verifying settings by secondary
injection
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