what is the principle of operation of domestic fan?? what is
the role of capacitor in it??

Answer Posted / sanjay dalvi

to genrate rotating field in single phase motor Capacitor
is used as a starting winding;when motor rotates at 80 % of
full speed ;Starting winding cut off from circuit & fan
motor runs at rated speed.

Is This Answer Correct ?    0 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

what is the chemical name and formula of refrigarent R-134a.

1780


Why does the speed regulating system adopting I controller have no steady-state error? In this single closed-loop speed regulating system, when the input of the I controller Un=0, what is the output voltage of the regulator? What factors do the output voltage depend on?

1416


what is sevice settings for mccb?How can be it setted?

1490


salam,hi, i need to know what the spesification of 300amp msb...

1597


what is a bus riser in power system and why it is used

44180






Circuit diagram of tube light without starter using electrical choke

3646


why does rotor rotets?

2065


State the frequency for rc phase shift oscillator?

587


please suggest some good universities with low cost iam in totally full confusion so please help me my profile gre 283 and ielts 5.5

1179


If I want to lift the water at a height 50m from ground level through two inch(diameter) metal pipe then what is the capacity of motor pump is required? is it possible in single phase supply or not?

1466


What is polar plot?

710


what transformer we used normally and upto which kva?

1490


State magnitude criterion.

673


What are the various types of rotor used in the alternators?

618


how to calculate sizing of NGTR (Transformer rating,Loading resistor value and Current rating of resistor) and what is the X/R ratio. Details : 11kV,Capacitance 1.73532 micro farads,40kA for 1sec.

1738