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Question: The following Figure shows a simplified rotor and stator for a de motor. The mean path length of the rotor is 5 cm, and its cross-sectional area may be assumed to be equal to the cross-sectional area of the stator. Each air gap between the rotor and the stator is 0.5 cm wide, and the cross- sectional area of each air gap (including fringing) is 27 cm2. The iron of the core has a relative pemeability of 2000, and there are 1000 turns of wire on the core. If the current in the wire is adjusted to be 2 A, what will the resulting flux density in the air gaps be?

Question: The following Figure shows a simplified rotor and stator for a de motor. The mean path length of the rotor is 5 cm, and its cross-sectional area may be assumed to be equal to the cross-sectional area of the stator. Each air gap between the rotor and the stator is 0.5 cm wide, and the cross- sectional area of each air gap (including fringing) is 27 cm2. The iron of the core has a relative pemeability of 2000, and there are 1000 turns of wire on the core. If the current in the wire is adjusted to be 2 A, what will the resulting flux density in the air gaps be?

Introductory Circuit Analysis (13th Edition)
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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Question: The following Figure shows a simplified rotor and stator for a de motor. The mean path length of the rotor is 5 cm, and its cross-sectional area may be assumed to be equal to the cross-sectional area of the stator. Each air gap between the rotor and the stator is 0.5 cm wide, and the cross- sectional area of each air gap (including fringing) is 27 cm2. The iron of the core has a relative permeability of 2000, and there are 1000 turns of wire on the core. If the current in the wire is adjusted to be 2 A, what will the resulting flux density in the air gaps be? 10 cm 13 cm N= 1,000 turns 1, =5 cm- 4= 0.5 cm 13 cm 10 cm - 30 cm- 3 cm Depth = 5 cm
Transcribed Image Text:Question: The following Figure shows a simplified rotor and stator for a de motor. The mean path length of the rotor is 5 cm, and its cross-sectional area may be assumed to be equal to the cross-sectional area of the stator. Each air gap between the rotor and the stator is 0.5 cm wide, and the cross- sectional area of each air gap (including fringing) is 27 cm2. The iron of the core has a relative permeability of 2000, and there are 1000 turns of wire on the core. If the current in the wire is adjusted to be 2 A, what will the resulting flux density in the air gaps be? 10 cm 13 cm N= 1,000 turns 1, =5 cm- 4= 0.5 cm 13 cm 10 cm - 30 cm- 3 cm Depth = 5 cm
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