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The term 'cogging' is associated with

  • The term 'cogging' is associated with Induction motor.
  • The term "cogging" is commonly used in relation to induction motors, which are also known as asynchronous motors.
  • Cogging is a phenomenon that occurs when an induction motor experiences a reluctance to start, or experiences a jerky or uneven start.
  • This can happen when the rotor of the motor has a magnetic interaction with the stator, causing the rotor to resist movement.
  • This magnetic interaction is caused by the shape and distribution of the rotor and stator teeth, which can create areas of attraction and repulsion as the motor tries to start.
  • Cogging can cause problems for induction motors, as it can lead to increased energy consumption and wear on the motor components. .
  • To mitigate this issue, some induction motors use special rotor designs, such as skewed or stepped rotors, which can reduce or eliminate cogging.