Increase / Decrease RPM of Induction Motor

Replies

• 

  Jeffrey Arulraj

  RPM or speed of motor depends on load and back emf
• 

  naveee

  jeffrey samuel

  RPM or speed of motor depends on load and back emf

  if load voltage is increase will increase the RPM .....
• 

  Ramani Aswath

  PDF
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• 

  Jeffrey Arulraj

  E=pi*z*n*p/(60*a)
  
  pi= phase
  z=no of conductor
  n/60= rpm
  p=no of poles
  
  Emf depends on Load current so if load increases load current increases and there by the speed varies in it
• 

  Sujay Elangovan

  Also we can use VFD's (variable frequency drives) to increase or decrease the RPM by varying the frequency.
  Synchronous speed=120*f/p
  f=frequency
  p=number of poles of the motor.