(#18) A delta connected induction motor draws 100 amperes from cuch line of a three-phase source and develops 40 lb-ft torque at standstill. What will be the current and torque when connected to the same source if the machine is reconnected in wye? [ Answer: 33.3 Amp. and 13.33 lb-ft ]

Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter35: Harmonics 916
Section: Chapter Questions
Problem 3RQ: Would a positive-rotating harmonic or a negative-rotating harmonic be more harmful to an induction...
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DEGREE: BS ELECTRICAL ENGINEERING

COURSE: AC MACHINES 

Note: Please solve in this way. Given>Missing>Illustration>Solution>FinalAnswer. Please include symbols, units, formulas, step by step solution, please don't cut the solution. Thank you!

 

(#18) A delta connected induction motor draws 100 amperes from cuch line of a three-phase source and develops 40 lb-ft torque at standstill. What will be the current and torque when connected to the same source if the machine is reconnected in wye?

[ Answer: 33.3 Amp. and 13.33 lb-ft ]

 

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