For a 6 pole, 3 phase, 60 Hz induction motor ratio of stator to rotor turns is 2. On a certain load, its speed is observed to be 995 r.p.m. when connected to 415 V supply. Calculate, i) Frequency of rotor e.m.f. in running condition ii) Magnitude of induced e.m.f. in the rotor at standstill iii) Magnitude of induced e.m.f. in the rotor under running condition. Assume star connected stator
For a 6 pole, 3 phase, 60 Hz induction motor ratio of stator to rotor turns is 2. On a certain load, its speed is observed to be 995 r.p.m. when connected to 415 V supply. Calculate, i) Frequency of rotor e.m.f. in running condition ii) Magnitude of induced e.m.f. in the rotor at standstill iii) Magnitude of induced e.m.f. in the rotor under running condition. Assume star connected stator
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 6RQ: Name three factors that determine the torque produced by an induction motor.
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For a 6 pole, 3 phase, 60 Hz induction motor ratio of stator to rotor turns is 2. On a certain load, its speed is observed to be 995 r.p.m. when connected to 415 V supply. Calculate,
i) Frequency of rotor e.m.f. in running condition
ii) Magnitude of induced e.m.f. in the rotor at standstill
iii) Magnitude of induced e.m.f. in the rotor under running condition.
Assume star connected stator
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