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hw2_solutions

hw2_solutions - μ r = 10 5 The length of the air-gap is g...

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ECE 320: Energy Conversion and Power Electronics Name: Spring 2009 Homework #2 (Due: Monday, February 2, 2009) Circle or box your answer (don’t forget units). Staple any additional paper used to arrive at your answers to this sheet. 1. Problem 1.2 from the course textbook. 2. Problem 1.23 from the course textbook. 3. Problem 1.35 from the course textbook. 4. In the magnetic circuit shown below, the relative permeability of iron

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Unformatted text preview: μ r = 10 5 The length of the air-gap is g = 5 mm and the total length of the iron is 0.4 m. For the magnet B r = 1.07 (T), H c =800 (kA/m) and the flux density in the air gap is 0.8 (T). Assuming the cross section is uniform, what is the length of the magnet l m ? g iron iron l m magnet Air gap...
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hw2_solutions - μ r = 10 5 The length of the air-gap is g...

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