10. A transformer on no-load takes 1.5 A at a power factor of 0.2 lagging when its primary is connected to a 50-Hz, 230-V supply. Its transformation ratio (N2/N1) is 1/3. Determine the primary current when the secondary is supplying a current of 300 A at a power factor of 0.8 lagging. Neglect the voltage drops in the windings.

10. A transformer on no-load takes 1.5 A at a power factor of 0.2 lagging when its primary is connected to a 50-Hz, 230-V supply. Its transformation ratio (N2/N1) is 1/3. Determine the primary current when the secondary is supplying a current of 300 A at a power factor of 0.8 lagging. Neglect the voltage drops in the windings.

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 3.3P: Consider an ideal transformer with N1=3000andN2=1000 turns. Let winding 1 be connected to a source...

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