The synchronous speed of a 3-phase and 6-pole induction motor is 1200 rpm. By keeping the frequency constant, the number of poles of the motor is reduced to 4. Accordingly, which of the following is the rotor speed at 5% slip of the motor? a) 1180rpm
The synchronous speed of a 3-phase and 6-pole induction motor is 1200 rpm. By keeping the frequency constant, the number of poles of the motor is reduced to 4. Accordingly, which of the following is the rotor speed at 5% slip of the motor? a) 1180rpm
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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The synchronous speed of a 3-phase and 6-pole induction motor is 1200 rpm. By keeping the frequency constant, the number of poles of the motor is reduced to 4. Accordingly, which of the following is the rotor speed at 5% slip of the motor?
a) 1180rpm
b) 1750rpm
c) 1690rpm
d) 1140rpm
e) 1710rpm
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