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  • Users: Mazoon
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  1. Mazoon

    Switchgear dangerous incident

    Be careful quite RMU like a bomb!! I tried to imaging the situation, if somebody could correct me that fine, I think one of the following two possible problems is exist. 1. The RMU oil insulation is not in good condition or RMU tank was not topped properly, for long use of RMU, you have to...
  2. Mazoon

    LV Short circuit study-

    In ETAP, you can select such equivalent parameters form the software library or typical data for such load or transformer sizes etc. Furthermore be aware of Study case editor mode, for example you have to consider loading category for each sub system.
  3. Mazoon

    Loading the tertiary winding of autotransformer

    On 33kV side, you can use a Delta/star earthing transformer as well, and use it as an auxiliary transformer supply to the substation auxiliary loads.
  4. Mazoon

    Loading the tertiary winding of autotransformer

    In our transmission system, we already plan to use auto transformers 2x315 MVA 220/132 kV with a 33 kV, 40 MVA Delta tertiary winding; this tertiary winding will supply the nearest consumers to substation on distribution system.
  5. Mazoon

    LV Short circuit study-

    To be more accurate and depend on your work, you have not to ignore the impedances.

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