sindhejs

 Profile Answers by sindhejs Questions by sindhejs

• Feb 24th, 2009

 

To produce rotating magnetic field u need atleast 2 phase system ,but it has 3 phase system ,that is why capacitor not used.

SURAJTHEGREAT

 Profile Answers by SURAJTHEGREAT Questions by SURAJTHEGREAT

• Mar 2nd, 2009

 

Capacitors-Can store charges.

Induction motors need high starting torque.

So capacitors are used to provide neccesary torque.

naresh20047038

 Profile Answers by naresh20047038 

• 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 purpose, but induction motors draw reactive power to supply this reactive power capacitors can be used.

mohann2008

 Profile Answers by mohann2008 

• 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.