(a) A 220 / 400V, 14KVA, 50HZ single phase transformer has at full load, a copper load of 140W. If it has an efficiency of 96% at full load, unity power factor. Determine the iron losses. (b) In a DC machine, the total armature conductor is 1800 and the number of slots is 40, then the number of conductors per slot would be,

(a) A 220 / 400V, 14KVA, 50HZ single phase transformer has at full load, a copper load of 140W. If it has an efficiency of 96% at full load, unity power factor. Determine the iron losses. (b) In a DC machine, the total armature conductor is 1800 and the number of slots is 40, then the number of conductors per slot would be,

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 3.4P: A single-phase 100-kVA,2400/240-volt,60-Hz distribution transformer is used as a step-down...

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