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  1. spat154

    Inertia Constant kVA to MVA Base

    Hi there, I guess I have confused myself. I have got this inertia constant value of 3.9 kW.s/kVA and I want to convert it to MW.s/MVA...how do I do that? Is it simple conversion of units or something to do with base? Please advice.
  2. spat154

    Why not star star generator transformer?

    Thanks Edison123. Can you please explain that if we will have delta on the LV side then we would require earthing transformer, won't it make it more expensive? In that case isn't it just better to have tertiary connection (As u suggested)? Also, consultant suggested that the star star is...
  3. spat154

    Why not star star generator transformer?

    Hi There, I am reviewing this Transformer spec prepared by one of the consultants for connecting a 50 MW wind farm to the 132kV grid. Basically it is a 12/132kV connection. They have specified star-star connection with both sides solidly earthed (Yn0Yn0). I thought the best way to connect...
  4. spat154

    Drag Coeefficients + Aerodynamic Shape Factors

    Hi There, I am working on the wind loading guide and am at the last stage of calculating design wind pressure for Overhead Lines. For the calculation of Aerodynamic Shape Factors, I need to find the drag force coefficient for concrete pole. Is there anyone who has worked on it before who can...
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