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  • Users: ingar
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  1. ingar

    Connection bolt size of transformer bushing

    Hi again, I do not have nameplate and the bushing is in Africa (I am in Norway). The 132kV bushings are of ABB make but the 33kV I do not know? The Transformer is made by Pauwels.
  2. ingar

    Connection bolt size of transformer bushing

    Hi, We have an old transformer with 33kV bushing of type DIN 30 NF 1000. Could someone please tell us which bolt size this have (in order to buy the correct clamp)?
  3. ingar

    Insulation of cable from transformer neutral terminal (Y-point)

    We have a 115/22kV power transformer that is directly earthed to the earth grid. The same is the transformer chassi. We normaly use a 120mm2 Cu / 1000V conductor between the neutral terminal and earth, but have been told that this insulation is not good enough for transient situations. In the...

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