Electrical Machines I
EE 551
Question
2075 BhadraChapter 1: Magnetic Circuits and Induction1.1 Magnetic Circuits: Series and Parallel Magnetic Circuits
Find the value of I required to establish a magnetic flux of Φ = 0.75×10⁻⁴ Wb in the series magnetic circuit as shown in figure below. Given, that the relative permeability for the steel is μr =1424 .
[IMAGE: Series magnetic circuit made of cast steel with a coil of N = 200 turns carrying current I. Uniform cross-section area 1.5 x 10^-4 m^2 throughout. The circuit has a small air gap in one limb. Length of the steel path l_cdefab = 100 x 10^-3 m and air gap length l_bc = 2 x 10^-3 m.]
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