ABB RELION REF615R, Техническое руководство

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The autoreclose function can also open the circuit breaker from any of the initiation lines.
It is selected with the
Tripping line setting. As a default, all initiation lines activate the
OPEN_CB
output.
A070276 V1 EN
Figure 257: Simplified logic diagram of initiation lines
Each delayed initiation line has four different time settings:
Table 371: Settings for delayed initiation lines
Setting name Description and purpose
Str x delay shot 1 Time delay for the
DEL_INIT_x
line, where x is the
number of the line 2, 3 or 4. Used for shot 1.
Str x delay shot 2
Time delay for the
DEL_INIT_x
line, used for shot 2.
Str x delay shot 3 Time delay for the
DEL_INIT_x
line, used for shot 3.
Str x delay shot 4
Time delay for the
DEL_INIT_x
line, used for shots
4 and 5. Optionally, can also be used with SOTF.
9.2.6.5 Shot initiation from protection pickup signal
All autoreclose shots are initiated by protection trips. As a result, all trip times in the
sequence are the same. This is why using protection trips may not be the optimal solution.
Using protection pickup signals instead of protection trips for initiating shots shortens the
trip times.
1MRS240050-IB C
Section 9
Control functions
REF615R 489
Technical Manual