A toroidal core that is made of iron and having relative permeability of µ,= 5000. The mean path length of the core, le is 37.6 cm while the cross-sectional area of the core is 0.1256 cm?. The fringing effect and leakage flux are to be negligible. The number of turns of the coil, N¡ is 400. If there is an airgap of 5 mm and magnetic flux density at air gap is 0.25 T, (i) Draw equivalent magnetic circuit analogy of the core. (ii) Calculate the current required to energize the core. (iii) Determine the magnetizing strength, Hg in the air gap.

A toroidal core that is made of iron and having relative permeability of µ,= 5000. The mean path length of the core, le is 37.6 cm while the cross-sectional area of the core is 0.1256 cm?. The fringing effect and leakage flux are to be negligible. The number of turns of the coil, N¡ is 400. If there is an airgap of 5 mm and magnetic flux density at air gap is 0.25 T, (i) Draw equivalent magnetic circuit analogy of the core. (ii) Calculate the current required to energize the core. (iii) Determine the magnetizing strength, Hg in the air gap.

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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