Why capacitors are used in 1 phase induction motors?

SONY RANJAN MAHAPATRA

• Jun 25th, 2013

Basically function of capacitor is to improve the power factor and make the single phase motor self start having made split phase between both the winding(starting & running winding)

shaik sharif

• Jun 5th, 2013

In generally capacitors are playing main role in electrical system.And also power factor improvement done by capacitors so therefore capacitors mainly using for increase the starting torque of the motor.

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Why capacitors are not used in 3 phase induction motors?

mohann2008

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• Apr 11th, 2009

In three phase induction motors, capacitors are not needed, because when the current passes through  three wires, three magnetic fields will be produced. Due to the interaction between those magnetic fields, RMF will be produced automatically without the help of capacitors.

naresh20047038

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• Mar 20th, 2009

In 3 phase Induction motors rotating magnetic field will be created which in turn interacts with the rotor conductors resulting in rotation of rotor, so there is no need of capacitors for starting pur...

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