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Step up transformer vector group

  1. Join Date
    Mar 2019

    Step up transformer vector group


    I got a vector group design for one step up transformer which is delta/star ,the function of the transformer is to step up generator voltage from 400V to 33kV and then connect with 33 kV switch gear as ATS. I was compelled to find a solution for the neutral in 33kV side via reactors.
    I think this vector group is not correct.
    my concern is what should be the right vector group of above transformer and why?


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