what is the instataneous value of voltage in a 3-phase
balanced star connected circuit?

Answer Posted / milinda

here u r asking about a instantaneous voltage of a single
phase in balanced 3ph star connection.because we cannot
define a instantaneous voltage for all three phases @ once
and they should define seperately.
Vr=Vmsin(wt)
Vb=Vmsin(wt+(2*pi/3))
Vy=Vmsin(wt+ (4*pi/3))

Is This Answer Correct ?    7 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What are the classifications of oscillators?

684


at meter room 50 hrc switch installed,but there are not get earthing proper,so what happen?and 11kv transformer out put going in to hrc main 400a three nog each? so earthing is require for all switch? (some customer made earthing at there home.)

1473


I need bhel electrical test pattern & paper

1403


Briefly describe means used by electricity suppliers to influence the flow of active and reactive power in power networks (one for each type)?

1514


What are the weight of 800KV DA,DB and DC type tower ?

2711






What are the roles and responsibilities of electrical engineer in cement plant

1526


How to check the cable fault / hv test of transformer cable.

1406


what is difference between speed mode and torque mode in motor?? explain in simple words please.

1155


Is it required to use Automatic transfer Switch in L&T panel board if we use AMF panel with DG set? How the single line diagram will be? Please forward the material to sreenu_207@yahoo.co.in

4255


What is meant by reverse polarity and how it can be fixed?

751


Is MEN and RCD related to each other ?? IF yes then how??

1475


why the protection turbo generators is most complex?

1515


What do you mean by pull of electromagnet?

602


we can run 2phase as 3phase .what will be the differnce with respect to phase angle, power, current between the two modes

1613


How to measure size of cable on a given load

1389