17 March 2018

Compare Split Phase Induction Motor and Capacitor Start Induction Run Motor

  • A high resistance is connected in series with the starting winding. 
  • The angle between starting current and main current is in the range of 200 to 300.
  • The starting torque is 1.5 to 2 times that of full load torque.

Speed Regulation
  • The speed drops from no load to full load is in the range of 2 to 5%.
  • The speed regulation of the split phase motor is nearly same as that the three phase induction motor therefore it is called as constant speed motor.

Power Rating
  • The wattage rating of such motor is in the range of 40 W to 250 W.

Application
  • Fans
  • Blowers
  • Washing machine
  • Small machine tools
  • Duplicating machine





split phase induction motor


  • An electrolyte capacitor is connected in series with the starting winding. 
  • The angle between starting current and main current is in the range of 800 to 900
  • The starting torque is 3.5 to 4 times that of full load torque.

Speed Regulation
  • The speed of the motor varies 10% to 100% from no load to full load

Rating
  • It is available in the range of 1/6 HP to 3 HP.

Application
  • Compressors
  • Elevators
  • Conveyors 


capacitor start induction run motor



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