Why should we use Star-Delta connection in step down power
transformers?

Answer Posted / paramesh

Because starting voltage of the star connection is less
compare 2 other connections..........

Is This Answer Correct ?    6 Yes 17 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

can we choose current transformer secondary, to calculate residual flux in a power transformer, so as its saturation is close to the saturation level of power transformer?

887


What is BusBar integrity test and how it is conducted?

1566


1.what is meaning of curve into a mcb. 2.what is basic reason changing of curve

1540


What are the advantages of vscf wind electrical system?

635


is it possible to say motor horsepower number without seeing name plate(when name plate damaged)

1581






Why the moulded plug comes with domestic appliances instead of assembled plug like anchor, Vinay 5/15 A.

1568


what is the difference between megger and earth resister ??

1337


What is the Load Capacity of Panther conductor (0.2) and dog conductor (0.2) 

2315


do you have some of interview Questions in power and genrator section in general whith answers

1640


typically in power distribution substation. 1- Any idea how would be the graph of capacitor bank consumption verses time through the day . 2- How is the switching ( on and off ) of the capacitor bank, per need?

1293


how can maintaince the acb contactor moveing and fixing kit

1587


Please explain me about Relay curves and their sources to read ?

1360


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

2701


Is it possible to operate a synchronous 2-poles turbogenerator with a still-in-place faulted bar but electrically disconnected ???? If yes, should I act on the other phases as well ???

1444


WHAT IS THE PARTIAL DISCHARGE TEST?

1630