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  1. akhtarbiqadri1

    Relay 87 (Differential Current) For Transformer

    Is 87T able to change the setting value automatically according to generator status so 87T won't activate for tripping while the generator is in stand-still status?
  2. akhtarbiqadri1

    ETAP Single Line Diagram

    I'm trying to understand this single line diagram (HEPP) by doing it on ETAP. However, I find it difficult to translate this file into ETAP. For example, I can't find NGR, DS, GCB, SA, the diode rectifier thingy on exciter, and so on. Do you have any tips for me? TIA

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