Answered: The following figure shows the…

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 the cross-section structure of a 4/2 pole variable reluctance
motor with dimensions as R=3.8 cm, α=60o, β=45o , g=0.254 mm, and D=13 cm. The poles
of each phase winding are connected in series such that there are a total of N=100 turns
(50 turns per pole) in each phase winding. Assume that rotor and stator to be of infinite
magnetic permeability.
Ignoring the leakage and fringing fluxes, plot the phase-1 inductance L(θm) as a function of θm

&
Do
O
R
Rotor
P18
Stator
Ⓡ
O
Rotor axis
em
Magnetic axis
of phase 1
Length D
8 <R

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Winding and Construction of the Rotor and Stator

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