Transformer impedance calculation
Transformer impedance calculation
(OP)
How do i calculate X and R for a power transformer like 10 or 20 MVA if i have only Z. Is there any standard X/R ratios for these transformers?
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Transformer impedance calculation
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RE: Transformer impedance calculation
5.5% x/r = 10 above 69kv 7.5% x/r = 12
12 mva to 30 mva 10% x/r =20
RE: Transformer impedance calculation
There is no way to directly calculate without the transformer test data.