Page 594 - Basic Electrical Engineering
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at 25 kVA load copper loss                     = 0.8 kW.


                at 18.75 kVA load copper loss



                at 17.14 kVA load copper loss



                at 11.11 kVA load copper loss

                                                               = 0.157 kW


               All day efficiency

























                                                 6.19 REVIEW QUESTIONS

               A. Short Answer Type Questions


                   1.  Explain with examples why transformers are required in transmission and distribution of
                     electrical power.
                   2.  Distinguish between a step-up transformer and a step-down transformer.
                   3.  What is the expression for voltage per turn of a transformer?
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