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  1. yinhu32701

    thread238-220923 REM543 application note for VOC and REF1A functional description

    Dear all, For an ongoing project, I need to work with REM543 relay. So far I couldn't find any detailed information on Abb's webisite (just some general technical reference that's it). At the moment I am particularly looking for VOC (voltage constrained overcurrent) and REF1A...
  2. yinhu32701

    Looing for REM543 Functionality Description Manual

    Dear all, For an ongoing project, I was assigned to check some of the old protection system installed backed in 2007. most of the diesel generator has equipped with REM543 type of protection, it was found on site that these relay did not set for a couple of important protection functions...

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