Recent content by Matthias Oduh

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  1. Matthias Oduh

    SR489 GE protection management relay showing Self test fault

    @WTF Thank you for this wonderful response. Actually, we had a partial grid collapse. Unfortunately, our battery DC supply wasn't reliable and could not sustain the station for up to 10mins as at the time the collapse occur (we had to quickly resort to alternative DC supply from our PEECC to...
  2. Matthias Oduh

    SR489 GE protection management relay showing Self test fault

    Not at all Just an alarm code which is interpreted as "Self test fault"
  3. Matthias Oduh

    SR489 GE protection management relay showing Self test fault

    Hello everyone! In our power plant, we have three black start diesel generator (BSDG) with the generator's protection, control and metering being handled by GE SR489 protection relay and Siemens s7-400 (or so ) PLC. The SR489 relay on BSDG 3 control panel display has been blank (not showing...
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