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Question 2 Table 1: Dimensions for Magnetic Circuit IN l, = 25 * 10-3 cm 4 = 40cm ½ = 24cm 3 = 4 = 26cm H = 150At/m B2 = 1.34T H = 120At/m H4 = 120At/m A, = 26cm? (N turns A, = 40cm² A2 = 12cm² Az = 25cm? A4 = 25cm² A2 A, A. Figure 1: Magnetic Circuit On figure 1, above is a parallel magnetic structure with an air gap. The structure has 500 turns as shown and sets up a flux of 2mWb in the air gap. The dimensions are shown on table 1. a. Sketch a labelled equivalent circuit b. Calculate the mmf required in the air gap c. Calculate the magnetic field strength and the relative permeability of the central limb (H2 and µr2) d. Calculate the flux density relative permeability of the left limb (B1 and Hr1) e. Determine the current flowing in the coil

Question 2 Table 1: Dimensions for Magnetic Circuit IN l, = 25 * 10-3 cm 4 = 40cm ½ = 24cm 3 = 4 = 26cm H = 150At/m B2 = 1.34T H = 120At/m H4 = 120At/m A, = 26cm? (N turns A, = 40cm² A2 = 12cm² Az = 25cm? A4 = 25cm² A2 A, A. Figure 1: Magnetic Circuit On figure 1, above is a parallel magnetic structure with an air gap. The structure has 500 turns as shown and sets up a flux of 2mWb in the air gap. The dimensions are shown on table 1. a. Sketch a labelled equivalent circuit b. Calculate the mmf required in the air gap c. Calculate the magnetic field strength and the relative permeability of the central limb (H2 and µr2) d. Calculate the flux density relative permeability of the left limb (B1 and Hr1) e. Determine the current flowing in the coil

Introductory Circuit Analysis (13th Edition)
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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Question 2 13 Table 1: Dimensions for Magnetic Circuit l, = 25 * 10-3 cm 1 = 40cm l2 = 24cm lz = l4 = 26cm IN H = 150At/m B2 = 1.34T H3 = 120At/m H4 = 120At/m A, = 26cm² N turns A, = 40cm² A2 = 12cm² Az = 25cm² A4 = 25cm? A, A4 Figure 1: Magnetic Circuit On figure 1, above is a parallel magnetic structure with an air gap. The structure has 500 turns as shown and sets up a flux of 2mWb in the air gap. The dimensions are shown on table 1. a. Sketch a labelled equivalent circuit b. Calculate the mmf required in the air gap c. Calculate the magnetic field strength and the relative permeability of the central limb (H2 and µr2) d. Calculate the flux density relative permeability of the left limb (B1 and µr1) e. Determine the current flowing in the coil
Transcribed Image Text:Question 2 13 Table 1: Dimensions for Magnetic Circuit l, = 25 * 10-3 cm 1 = 40cm l2 = 24cm lz = l4 = 26cm IN H = 150At/m B2 = 1.34T H3 = 120At/m H4 = 120At/m A, = 26cm² N turns A, = 40cm² A2 = 12cm² Az = 25cm² A4 = 25cm? A, A4 Figure 1: Magnetic Circuit On figure 1, above is a parallel magnetic structure with an air gap. The structure has 500 turns as shown and sets up a flux of 2mWb in the air gap. The dimensions are shown on table 1. a. Sketch a labelled equivalent circuit b. Calculate the mmf required in the air gap c. Calculate the magnetic field strength and the relative permeability of the central limb (H2 and µr2) d. Calculate the flux density relative permeability of the left limb (B1 and µr1) e. Determine the current flowing in the coil
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