What are the effects of broken rotor bars and broken shaft parts?

What are the effects of broken rotor bars and broken shaft parts?
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1 Answer

Answer :

Broken rotor bars

a. High stator current and over heat of stator winding.

b. More harmonic currents in end parts.

c. High vibration.

Broken shaft or parts

a. Stator winding loose bracing.

b. Rotor high vibration and bearing vibration.

c. Frame vibration and more harmonics in side bands. 
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