How the size of transformer decreases if we increases the
frequency?

Answer Posted / jagadeesh

e=4.44*F*N1*(Bmax*A)
freq increases then Bmax increases
but product of Bmax and A constent then automatically decreases

Is This Answer Correct ?    2 Yes 5 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What is nichols chart?

776


we have consol make 3 phase servo stabilizer for cnc m/c. while installing the earth neutral voltage is 1.7 volts at stbilizer off condition and when stabilizer get on en voltage reaches 4.8 volts (new earthing is done and neutral is helthy condition all phase to neutral volts 440,442,441 v)why this happen.solution for cause.

5576


What is the Current equation in series RLC circuits.

622


What is the purpose of stablization resistor in high impedance bus bar protection

1538


why occ characteristics of generator is also called as magnatization characteristics ?

1503






Dg pf .71 i am improve pf 0.80 what capacitor connected in dg how?

1250


What is the de rating factor of cable? What is the importance of the de rating factor in cable select

1892


what is harmonics? what are the factors it will depend upon

1542


What is the function of electron gun assembly used in crt?

660


What is highest size of HT motor like 11 kv or 33 kv,and how to make it 750 rpm.i think the size will be very big.any idea ? pl. reply..

1512


How to calculate the sag of OPGW during stringing???

2151


When calculating the speed of a rotor required for a particular frequency of synchronous generator we use the equation 60f/p Is this p is the number of pole pairs of rotor & do we consider the number of pole pairs in the stator is 1?

1364


derive DC RMS value for half wave rectifier?

2717


what is active power & reactive power?

1720


Is there a standard depth of gravel fill in Substation Switchyard? Please give a design/drawing. Thank you.

4827