Question # 2: A square magnetic core has a mean path length of 55 cm and a cross sectional area of 150 cm?. A 200-tum coil of wire is wrapped around one leg of the core. The core is made of a material having the magnetization curve shown in the figure. 1. How much current is required to produce 0.012 Wb of flux in the core? What is the core's relative permeability at that current level? 3. What is its reluctance? 2. 2.8 2.6 2.4 - Magnetic 2.2 ---- 2.0 E 1.8 Mean core length l. flux lines 1.6 1.4 Cross-sectional 1.2 area A. 1.0 0.8 Winding. Magnetic core permeability u 0.6 0.4 N tums 0.2 10 20 30 40 S0 100 200 300 50 1000 2000 5000 Magnetizing intensity H. A turns/m
Question # 2: A square magnetic core has a mean path length of 55 cm and a cross sectional area of 150 cm?. A 200-tum coil of wire is wrapped around one leg of the core. The core is made of a material having the magnetization curve shown in the figure. 1. How much current is required to produce 0.012 Wb of flux in the core? What is the core's relative permeability at that current level? 3. What is its reluctance? 2. 2.8 2.6 2.4 - Magnetic 2.2 ---- 2.0 E 1.8 Mean core length l. flux lines 1.6 1.4 Cross-sectional 1.2 area A. 1.0 0.8 Winding. Magnetic core permeability u 0.6 0.4 N tums 0.2 10 20 30 40 S0 100 200 300 50 1000 2000 5000 Magnetizing intensity H. A turns/m
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
Chapter3: Power Transformers
Section: Chapter Questions
Problem 3.1MCQ: The Ohms law for the magnetic circuit states that the net magnetomotive force (mmf) equals the...
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