Calculate efficiency at full load and one half of full load

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a 500kva 3-phase 50hz transformer has a voltage ratio of 33/11kv and is delta/star connected. the resistances per phase are high voltage 35v,low voltage 876v and the iron loss is 3050w. calculate the efficiency at a full load and one half of full load respectively at unity power factor.

Reference no: EM13279558

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