INTRESTING QUESTION for u people Hit like & must share to all - TopicsExpress



          

INTRESTING QUESTION for u people Hit like & must share to all electrical engineers.. And also post u r comments a bout post..... Q: Why the rotor slots in a squirrel cage motor are in skew? What are the advantages and disadvantages? Ans:- Advantages: 1. Magnetic hum can be reduced. 2. Locking tendency of the rotor can be reduced. Disadvantages: 1. Increase in the effective ratio of transformation between stator and rotor 2. Increase in rotor resistance due to increase in length of rotor bars. 3. Increase in impedance of the machine at a given slip 4. Increased slip for a given torque
Posted on: Fri, 07 Mar 2014 14:43:07 +0000

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