1.Three number of single phase ideal transformers, each of rating. 10kVA, 200V / 100V,50Hz is connected in star/delta fashion to supply a balanced three phase 20 kW, 0.8power factor load at 100V(line to line). Draw a circuit diagram for this. Calculate (i) what line to line voltage should be applied to the primary side? (ii) Calculate the line and phase currents on the secondary and primary sides and indicate them on the diagram.

1.Three number of single phase ideal transformers, each of rating. 10kVA, 200V / 100V,50Hz is connected in star/delta fashion to supply a balanced three phase 20 kW, 0.8power factor load at 100V(line to line). Draw a circuit diagram for this. Calculate (i) what line to line voltage should be applied to the primary side? (ii) Calculate the line and phase currents on the secondary and primary sides and indicate them on the diagram.

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 3.25MCQ: In developing per-unit equivalent circuits for three-phase transformers. under balanced three-phase...

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