why we use star connection on the primary side of a
transformer?

Answer Posted / niranajn

since the phase voltage for star connection is 1/sqrt3
times of line voltage the insulation required is less .So
the primary side is star connected

Is This Answer Correct ?    19 Yes 4 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Single line diagram for dbb (double bus bar)system.

1468


what is per unit calculation?looking for simple and strong explanation thk u

2078


which protection used in power plant?

1502


for compensate 315mh inductance ,how many capaciance required?

1618


Why reactors use before incoming of ac vvfd drive?

1370






1.what is difference between ATS & STS main use. 2.what is difference between ACB& VCB With symobles,and main partes, manimum range. 3.How many types of relays and main function.

5604


Operation of isolators.

1459


Why we are going for converter transformers for DC drives application instead of distribution transformer?

1438


what are the problems that generally occur in power flows??

2545


If we connect a motor and generator together (I mean that the generator gives the motor electricity and the motor gives the generator movement) regardless the losses. Will the generator still generate and the motor still move?

1697


List advantges of active filter over passive filter?

629


why we used dc supply for field in dg set

1922


why most of junction box vendors providing T5/T6 Temp class jb's for T3 area any special reason?

1631


What are the uses of lead compensator?

601


how to determine ct ratio in ht vcb?

1335