A 50 kVA, 4400 / 220 V transformer has R, = 3.45 N, R, = 0.009 N.The values of %3D %3D reactions are X, = 5.2 0 and X, = 0.0150.Calculate for the transformer, %3D (i) Equivalent resistance reffered to primary and secondary (ii) Equivalent reactance reffered to primary and secondary (iii) Total copper loss.

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A 50 kVA, 4400 / 220 V transformer has R, = 3.45 N, R, = 0.009 N.The values of
%3D
%3D
reactions are X, = 5.2 N and X, = 0.015 N.Calculate for the transformer,
%3D
(i) Equivalent resistance reffered to primary and secondary
(ii) Equivalent reactance reffered to primary and secondary
(iii) Total copper loss.
Transcribed Image Text:A 50 kVA, 4400 / 220 V transformer has R, = 3.45 N, R, = 0.009 N.The values of %3D %3D reactions are X, = 5.2 N and X, = 0.015 N.Calculate for the transformer, %3D (i) Equivalent resistance reffered to primary and secondary (ii) Equivalent reactance reffered to primary and secondary (iii) Total copper loss.
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