Functions
2.14 Automatic Reclosing System 79
SIPROTEC, 7SJ62/64, Manual
C53000-G1140-C207-2, Release date 01.2008
251
2.14.1 Program Execution
The 7SJ62/64 is equipped with an integrated three-pole, single-shot and multi-shot automatic reclosure (AR).
Figure 2-95 shows an example of a timing diagram for a successful second reclosure.
Figure 2-95 Timing diagram showing two reclosing shots, first cycle unsuccessful, second cycle successful
The following figure shows an example of a timing diagram showing for two unsuccessful reclosing shots, with
no additional reclosing of the circuit breaker.
The number of reclose commands initiated by the automatic reclosure function are counted. A statistical
counter is available for this purpose for the first and all subsequent reclosing commands.
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