ABB REB670 Applications Manual page 338

Relion 670 series busbar protection
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Section 12
Control
332
READY
Indicates that the auto recloser is ready for a new and complete auto reclosing
sequence. It can be connected to the zone extension if a line protection should have
extended zone reach before auto reclosing.
SETON
Indicates that auto recloser is switched on and operative.
SUCCL
If the circuit breaker closing command is given and the circuit breaker is closed within
the set time interval tUnsucCl, the SUCCL output is activated after the set time interval
tSuccessful.
SYNCFAIL
The SYNCFAIL output indicates that the auto recloser is inhibited because the
synchrocheck or energizing check condition has not been fulfilled within the set time
interval, tSync. Also ABORTED output will be activated.
UNSUCCL
Indicates unsuccessful reclosing.
WFMASTER
Wait from master is used in high priority units to hold back auto reclosing of the low
priority unit during sequential auto reclosing. Refer to the recommendation for multi-
breaker arrangements in Figure 130.
Connection and setting examples
Figure
128
is showing an example of how to connect the auto recloser when used for
three-pole auto reclosing and Figure
auto recloser when used for single-pole, two-pole or three-pole auto reclosing.
129
is showing an example of how to connect the
Busbar protection REB670 2.2 ANSI
1MRK 505 370-UUS A
Application manual

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