Please see the attached image. A magnetic structure is composed of a three ferromagnetic materials and wound on it is a currentcarrying coil with 200 turns as shown on figure 1.3 below. The parameters of the magnetic structure areas shown on table 1.3.Figure 1.3Table 1.3: Parameter of the ferromagnetic materialDescriptionMaterialCross sectional area(cm2]Length [mm]Section ANickel-iron alloy2x109Air gapSection BSilicon steel2x109Section CCast steel2x109AirNeglectfringing200120100Assuming a magnetic flux of 1.2x10-3Wb to be established in the silicon core, calculate:a. the reluctance of the magnetic circuitb. the current that flows through the coilc. the relative permeability of each ferromagnetic materials

A)Assuming, Magnetic Flux,ϕ=1.2×10-3 Wb Reluctane,R=lμA =2×1094π×10-7×2×109×10-4…

A magnetic structure is composed of a three ferromagnetic materials and wound on it is a current carrying coil with 200 turns as shown on figure 1.3 below. The parameters of the magnetic structure are as shown on table 1.3. Figure 1.3 Table 1.3: Parameter of the ferromagnetic material Air gap Air Neglect fringing 2 Description Material Cross sectional area [cm²] Length [mm] Section A Nickel-iron alloy 2x10° Section B Section C Silicon steel 2x109 Cast steel 2x109 200 120 100 Assuming a magnetic flux of 1.2x10-3Wb to be established in the silicon core, calculate: a. the reluctance of the magnetic circuit b. the current that flows through the coil c. the relative permeability of each ferromagnetic materials

A magnetic structure is composed of a three ferromagnetic materials and wound on it is a current carrying coil with 200 turns as shown on figure 1.3 below. The parameters of the magnetic structure are as shown on table 1.3. Figure 1.3 Table 1.3: Parameter of the ferromagnetic material Air gap Air Neglect fringing 2 Description Material Cross sectional area [cm²] Length [mm] Section A Nickel-iron alloy 2x10° Section B Section C Silicon steel 2x109 Cast steel 2x109 200 120 100 Assuming a magnetic flux of 1.2x10-3Wb to be established in the silicon core, calculate: a. the reluctance of the magnetic circuit b. the current that flows through the coil c. the relative permeability of each ferromagnetic materials

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

Chapter7: Symmetrical Faults

Section: Chapter Questions

Problem 7.21MCQ

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