Answer / santosh89

it will depend on load hence the p.f of of the motor.If the load will vary we use automatic type pf controller.
If the pf of motor is not known...there is a jugaad rule of thumb that (kvar<=33.3%of motor HP).In this case capacitor should be less than 11.55 kvar

if we convert kva into Ampers,which one formula use by us,pls tell me?

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