Transformer sizing

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  • 2012/03/05 at 2:18 pm #10781
    omega3
    Participant

    I am handling a project with a site footprint of 100mx30m. The estimate electrical load is 2610kVA which are basically building E&M loads at 415V. We are tapping our supply from a 33kV network with a fault level of 25kA. My electrical designer proposes two 1500 or 2000kVA 33kV/415V transformers. I am wondering if we can go for one 3000kVA transformer instead to save space and cost.

    Can somebody give me some suggestion.

    Thanks
    omega3

    2012/03/06 at 5:56 am #12868
    Hamdullah
    Participant

    Dear omega

    A 3000kva may have high cost as compare tow same rated value transformers.
    @omega3 said:

    I am handling a project with a site footprint of 100mx30m. The estimate electrical load is 2610kVA which are basically building E&M loads at 415V. We are tapping our supply from a 33kV network with a fault level of 25kA. My electrical designer proposes two 1500 or 2000kVA 33kV/415V transformers. I am wondering if we can go for one 3000kVA transformer instead to save space and cost.

    Can somebody give me some suggestion.

    Thanks
    omega3

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