7.5kW,16A,380Volt.1430rpm,cosΦ=0.82 and f=50 Hz are written on the plate of a star connected ring induction motor. Find the tipping slip (the slip at which the maximum torque occurs) if the ratio between the maximum torque of the motor and the rated torque is 5.2. (Which one is the correct answer?) a)0.4808 b)0.2912 c)0.5749 d)0.0870 e)0.1941 f)0.7625 g)0.3864 h)0.6687

7.5kW,16A,380Volt.1430rpm,cosΦ=0.82 and f=50 Hz are written on the plate of a star connected ring induction motor. Find the tipping slip (the slip at which the maximum torque occurs) if the ratio between the maximum torque of the motor and the rated torque is 5.2. (Which one is the correct answer?) a)0.4808 b)0.2912 c)0.5749 d)0.0870 e)0.1941 f)0.7625 g)0.3864 h)0.6687

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter32: Three-phase Motors

Section: Chapter Questions

Problem 13RQ: A squirrel-cage induction motor is operating at 1175 RPM and producing a torque of 22 Ib-ft. What is...

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