ABB RELION 670 SERIES Applications Manual page 677

Line distance protection

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1MRK 506 369-UUS -

Line distance protection REL670 2.2 ANSI

Application manual

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.

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.

Indicates unsuccessful reclosing.

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 313.

Connection and setting examples

is showing an example of how to connect the auto recloser when used for three-

pole auto reclosing and Figure

recloser when used for single-pole, two-pole or three-pole auto reclosing.

is showing an example of how to connect the auto