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  1. liming

    GEC CTZ PROTECTION RELAY

    GEC ALSTHOM later on changed its name to ALSTOM T&D. 4 years ago,ALSTOM T&D was sold to AREVA. So now it is AREVA T&D.But the relay factory is actually still the same factory. You can check MICOM type is suitable or not.
  2. liming

    bus zone protection basics

    basicly,it is a differential protection. You need to have a check zone to prevent the muloperation on the through fault.

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