Theoretical value offrequencyWn =L(@n)? =*thread length=28cmPractical value offrequencyNo.Tmain (sec)= total time/5time for (5) oscillations1T, =5.37s2T2 =5.64s3T3 =5.31s4T45.35s5T5 5.73sTmainTn =1fn =TnWn = 2 n fnCompare (wn) the result of atheoretical experiment with apractical one

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Answered: Theoretical value of frequency Wn =…

Theoretical value of frequency Wn = (@n)² = *thread length=28cm Practical value of frequency No. Tmain (sec) = total time/5 time for (5) oscillations

Understanding Motor Controls

4th Edition

ISBN:9781337798686

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter31: Wound Rotor Motors

Section: Chapter Questions

Problem 10RQ

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Question

Theoretical value of
frequency
Wn =
L
(@n)? =
*thread length=28cm
Practical value of
frequency
No.
Tmain (sec)
= total time/5
time for (5) oscillations
1
T, =5.37s
2
T2 =5.64s
3
T3 =5.31s
4
T4
5.35s
5
T5 5.73s
Tmain
Tn =
1
fn =
Tn
Wn = 2 n fn
Compare (wn) the result of a
theoretical experiment with a
practical one

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