The magnetic circuit shown in Figure above consists of a laminated core of USS Trans-former 72, 29-gauge steel with an air gap g of 6 mm and an exciting winding of 1,000 turns. The stacking factor for the core is given to be 0.94. Neglect leakage but correct for fringing by adding the length of the air gap to each of the other two dimensions of the cross section. The dc magnetization characteristic for USS Transformer 72, 29-gauge steel is given in Figure. Determine the current in the exciting winding that produces a core flux of 1 X 10-³ Wb.

The magnetic circuit shown in Figure above consists of a laminated core of USS Trans-former 72, 29-gauge steel with an air gap g of 6 mm and an exciting winding of 1,000 turns. The stacking factor for the core is given to be 0.94. Neglect leakage but correct for fringing by adding the length of the air gap to each of the other two dimensions of the cross section. The dc magnetization characteristic for USS Transformer 72, 29-gauge steel is given in Figure. Determine the current in the exciting winding that produces a core flux of 1 X 10-³ Wb.

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 3.1MCQ: The Ohms law for the magnetic circuit states that the net magnetomotive force (mmf) equals the...

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