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Transformer cost vs primary voltage..?

Transformer cost vs primary voltage..?

Transformer cost vs primary voltage..?

(OP)
Hi there, does anybody know roughly what the cost differential (in percent) would be for a transformer of a given size, but with alternate primary voltages?

For example, take a 2MVA 600V secondary transformer.. if we take 13.8kV primary as the base, what would be a rough %-adder be for 24.94kV or 34.5kV? Just doing a very high level comparison at the moment, and any input would be much appreciated.

Thanks!

RE: Transformer cost vs primary voltage..?

It varies as (HV1/HV2)0.3-0.5

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