If single phase having 220v so why 3phase is440v.

Answer Posted / khadar baba

per phase values is 415/1.732 =240V
that is why single phase is 240V

Is This Answer Correct ?    13 Yes 2 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

sometime battery charged and then automatically charged when rectifier ON conition, is there any chances please clarify the same.

1379


If breaker is undefined position, first step to do.

1789


one conductor length is L.and i am strech uniformly this conductor and made length is 2L.so resistance of this strech conductor is R=4R..but i want to know about area of stech conductor hows it become a/2..

1684


how to select automotive wire by mathematical equation with given current, vlotage and resistance

1904


I have experienced electrical maintenance HT ,but I completed be ECE ....can I apply c license or not ???? Pls help me friend s...

1074






what happen if the supply is given to the stator of the 3phase induction motor with out assembling the rotor ?

1481


sir plz send some previous year questions of jspl.

1479


what is physical distance of isolator to VCB in 33/11kv sub stations

1696


How to calculate MCB Breaking capacity.

974


how the synchronizing is obtained at bus couplers in grid substation? (because there we cannot change the frequency in one of transmission lines like in generator synchronization)

1855


Can I use distributon class/transmission class Lightning arresots for protecting the building? If not why please explain?

1425


What if the difference beween internal and exrteranal LBB?

1212


If you have an earth with pilecap then your resistance is really low. why and how?

1439


What are the types of feedback oscillators?

818


why the projects getting loss?

1432