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In an induction motor, there is  decrease in the maximum power factor when the dispersion coefficient is

  • In an induction motor, there is  decrease in the maximum power factor when the dispersion coefficient is Increased.
  • The dispersion coefficient, also known as the "winding factor," is a measure of the degree to which the stator and rotor windings are distributed along the length of the motor.
  • A higher dispersion coefficient means that the windings are more distributed and the magnetic field is more uniform, while a lower dispersion coefficient means that the windings are more concentrated and the magnetic field is more localized.
  • When the dispersion coefficient is increased in an induction motor, the winding factor also increases, which results in a decrease in the maximum power factor.
  • A higher winding factor causes a greater portion of the stator current to flow through the stator resistance, which results in a greater voltage drop across the stator winding and a lower power factor.
  • In order to maintain a high power factor in an induction motor, it is important to design the windings with an appropriate dispersion coefficient that balances the desired level of winding distribution with the need to minimize resistance and maximize efficiency.