The efficiency of a 200 kVA 1100/230 V transformer is a maximum of 98% at 50% of the rated load. Calculate (i) Core less (ii) Efficiency at rated laid and unity power factor, and (iii) Efficiency at 70% of the load and 0.86 lagging power factor
The efficiency of a 200 kVA 1100/230 V transformer is a maximum of 98% at 50% of the rated load. Calculate (i) Core less (ii) Efficiency at rated laid and unity power factor, and (iii) Efficiency at 70% of the load and 0.86 lagging power factor
Power System Analysis and Design (MindTap Course List)
6th Edition
ISBN:9781305632134
Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Chapter3: Power Transformers
Section: Chapter Questions
Problem 3.3MCQ: For an ideal 2-winding transformer, the ampere-turns of the primary winding, N1I1 is equal to the...
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The efficiency of a 200 kVA 1100/230 V transformer is a maximum of 98% at 50% of the rated load. Calculate
(i) Core less
(ii) Efficiency at rated laid and unity power factor, and
(iii) Efficiency at 70% of the load and 0.86 lagging power factor.
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