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Magnetization Branch in a transformer

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madeza

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How can I calculate the magnetization branch, I mean magnetization resistance and reactance. My only data is the nameplate of transformer: Apparent Power, Primary and secondary voltage, X/R ratio

Thanks for your support
 

powersys

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Can you carry out test on the transformer? If you're allowed to do so, may be you can find the parameters via open- and short-circuit tests.
 

shahidE636

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i is not possible to fine transformer megnetizing branch value from nameplate of the transformer. it can only be calculated from open / short circuit tests.
 

madeza

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ok buddies, but I can't carry out any test... It`s a big size transformer 168MVA and the only data available is the nameplate... well, thanks for your replies...
 

umesh49

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It is not possible without doing open circuit and short circuit test on transformer.

Umesh.
 

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