Primary star connected three-phase operating at 200kVA power, 15/0.4 KV 50 Hz frequency It has been observed that the transformer draws 550 W in the experiment performed when it is idle. of the transformer the relative open giant current i0 = %1, 9. a) Iron and magnetizing current, no-load power coefficient and no-load draw Calculate the reactive and active power. b) Calculate the iron resistance and magnetization reactance of the transformer.

Primary star connected three-phase operating at 200kVA power, 15/0.4 KV 50 Hz frequency It has been observed that the transformer draws 550 W in the experiment performed when it is idle. of the transformer the relative open giant current i0 = %1, 9. a) Iron and magnetizing current, no-load power coefficient and no-load draw Calculate the reactive and active power. b) Calculate the iron resistance and magnetization reactance of the transformer.

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 3.28MCQ

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