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Effective X & R for an OLTC Transformer

asked Apr 21 '3

anonymous user

Anonymous

Is there a direct way to obtain effective X and R for an OLTC Transformer?

Do I need to compute these through equations? i.e. we have the tap ratio and we use something like Reff = Rpu / Wind 1 ratio^2?

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answered Apr 24 '3

perolofl gravatar image

The impedance (R & X) for transformers may be updated by a "Transformer Impedance Correction Table".

See Data Formats manual.

link

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Asked: Apr 21 '3

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Last updated: Apr 24 '23