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Figure 2 shows a simplified rotor and stator for a dc motor. The mean path length of the stator is 50 cm and its cross-sectional area is 12cm?. The mean path length of the rotor is 5 cm and its cross-sectional area also may be assumed to be 12cm?, Each air gap between the rotor and the stator is 0.05 cm wide and the crass sectional area of each air gap (including fringing) is 14cm. The iron of the core has a relative permeability of 2000 and there are 200 turns of wire on the core. • If the current in the wire is adjusted to be 1 A, what will the resulting flux density in the air gaps be? HITEC UNIVERSITY Department of Electrical Engineering N- 200 A-12 em turns 1,-S cm -0.05 cm = 50 em Figure 2

Figure 2 shows a simplified rotor and stator for a dc motor. The mean path length of the stator is 50 cm and its cross-sectional area is 12cm?. The mean path length of the rotor is 5 cm and its cross-sectional area also may be assumed to be 12cm?, Each air gap between the rotor and the stator is 0.05 cm wide and the crass sectional area of each air gap (including fringing) is 14cm. The iron of the core has a relative permeability of 2000 and there are 200 turns of wire on the core. • If the current in the wire is adjusted to be 1 A, what will the resulting flux density in the air gaps be? HITEC UNIVERSITY Department of Electrical Engineering N- 200 A-12 em turns 1,-S cm -0.05 cm = 50 em Figure 2

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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Figure 2 shows a simplified rotor and stator for a dc motor. The mean path length of the stator is 50 cm and its cross-sectional area is 12cm?. The mean path length of the rotor is 5 cm and its cross-sectional area also may be assumed to be 12cm?, Each air gap between the rotor and the stator is 0.05 cm wide and the crass sectional area of each air gap (including fringing) is 14cm?. The iron of the core has a relative permeability of 2000 and there are 200 turns of wire on the core. • If the current in the wire is adjusted to be 1 A, what will the resulting flux density in the air gaps be? HITEC UNIVERSITY Department of Electrical Engineering N- 200 A-12 em turns 1,- S cm -0.05 cm - 50 em Figure 2
Transcribed Image Text:Figure 2 shows a simplified rotor and stator for a dc motor. The mean path length of the stator is 50 cm and its cross-sectional area is 12cm?. The mean path length of the rotor is 5 cm and its cross-sectional area also may be assumed to be 12cm?, Each air gap between the rotor and the stator is 0.05 cm wide and the crass sectional area of each air gap (including fringing) is 14cm?. The iron of the core has a relative permeability of 2000 and there are 200 turns of wire on the core. • If the current in the wire is adjusted to be 1 A, what will the resulting flux density in the air gaps be? HITEC UNIVERSITY Department of Electrical Engineering N- 200 A-12 em turns 1,- S cm -0.05 cm - 50 em Figure 2
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