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Repeat Step 10 again.
Step 19.
NOTE:
For customers who use a computer to test the relays, or use their own settings for
maintenance, refer to the following example to calculate and determine trip currents;
set the relay as follows:
The RI2 contacts 1 and 2 should be open and the RB contacts 1 and
2 should be closed.
Set Z3FR = REV, then repeat Step 10 (c), except apply AG reversed fault. The re-
lay should trip, at I
= 4.2A, for the angles of -110°, -190° and -270° in 2.5 seconds.
a
Reset Z3FR to "FWD".
I.L. 40-385.7
A-9
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