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Minimizing cogging torque in a skewed stator BLDC motor

Tuesday, November 21, 2017,
02:00 pm EST, 07:00 pm GMT

     Cogging torque is a result of the interaction between the rotor magnets and stator slotting. This unwanted component of the torque introduces ripple in the output torque, poses higher stress on the machine bearing and produces vibration. There are few methods that are used to achieve cogging torque reduction. They usually compromise motor performance in some way, leading very often to reduced winding EMF. 
 
      Join us to learn how to take advantage of EMS and MotorWizard for quick analysis of cogging torque profiles for different slot skew angles. We will also discuss the induced voltage results to better understand the price of the improved torque profile. 
 
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