Program Execution - Siemens SIPROTEC 7SJ62 Manual

Multi-functional protective relay with local control

Hide thumbs Also See for SIPROTEC 7SJ62:

Table of Contents

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.

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.

SIPROTEC, 7SJ62/64, Manual

C53000-G1140-C207-2, Release date 01.2008

Timing diagram showing two reclosing shots, first cycle unsuccessful, second cycle successful

2.14 Automatic Reclosing System 79