Sir
Power transformer :- (in generating station)
Alternator terminals side - Delta
HT transmission line side - Star
Why?

Answer Posted / bhim kumar yadav(l&t)

bcz in delta side voltage is more compare to star side. so
insulation cost is very-very high in delta side compared to
star side.therefor, we keep always star connection in HT
side

Is This Answer Correct ?    2 Yes 3 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

could an induction motor be used for regenerative braking in electric-train control? in this type of application would some scheme have to be devised to obtain low synchronous speeds while braking? would induction-motor drive, therefore, be suitable for passenger service?

1592


working principles of cf lamp,incandescentlamp and f lamp?

1845


The principle of switching circuits for different types of batteries in application of storage systems

1533


thyristor controlled APFC panel design parameter?

1361


can anyone explain the star-delta motor control wiring ,which wire go where and how they operate?

957






A 3-phase IM is supplied from 50 Hz system. It runs at speed of 1440 rpm and slip equal to 4 %. Calculate number of pole pairs. A 1 B 6 C 2 D 3

1586


can i able to get bhel previous exam question paper?

1704


in a solar power plant,we are going to step up the voltage 350V to 33kv, and to 132kv GSS. i want to ask that if it is possible that 315v/33kv is not possible because we also use 315v/11kv. or it should be 415v/33kv? is it effects generation or losses?  the second question is-generation is depends on LV winding? or LV winding design for generation voltage?

1300


how to find Harmonics and types as per the equipemnts

780


What is nichols chart?

776


what is thresold of perception

1473


Explain marx circuit.

882


what is the method of earthing of a transformer using electrodes?

1729


what are the precuation should be taken ahen installing power transformer,circuit breaker,current & potential transformer

1593


what are the applications of transistors with low dc gain, high dc gain and medium dc gain( beta)?

1308