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  1. juanarozo

    minimum clearances distance IEC/BS standards

    What are the designates minimum clearances distance around MV and LV switchgear (indoor switchgear)according with IEC/BS standars? The MV gear is 11kV and LV is 400V.
  2. juanarozo

    Transformer impedance IEC estandard

    Thanks,I got the IEC standard and the correct value is 4%.http://files.engineering.com/getfile.aspx?folder=51848766-2dd8-4088-8b78-3835e33293a2&file=Dibujo.JPG
  3. juanarozo

    Transformer impedance IEC estandard

    Sure, but I need the minimum impedance recomended by IEC.
  4. juanarozo

    Transformer impedance IEC estandard

    Hello, I need the impadance of a transformer of 630kVA, 11kV/400V on IEC Standar.
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