EN1085 Q3. a) Ferromagnetic materials are used widely in the construction of electrical machines, such as transformers, motors and generators. (i) Compare the properties of hard and soft ferromagnetic materials and sketch typical BH curves for each. (ii) When constructing magnetic circuits, why is a high permeability desirable? (iii) For a permanent magnet motor, why is a high coercivity important?
EN1085 Q3. a) Ferromagnetic materials are used widely in the construction of electrical machines, such as transformers, motors and generators. (i) Compare the properties of hard and soft ferromagnetic materials and sketch typical BH curves for each. (ii) When constructing magnetic circuits, why is a high permeability desirable? (iii) For a permanent magnet motor, why is a high coercivity important?
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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