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

1. If 8.35%Z means the percentage impedance of 132kV-line from power company, we will like to confirm its base capacity?

1541


Would you recommend to replace all oil filled cables with xlpe cable for hv transmission with the current technolgy for xlpe cable?

1059


IF 8255 CONTROL WORD IS 94H,Tell the chip port work mode ?

2158


How CFL &T5 tube light glows?

1590


Why generation voltage in thermal power plant is between 11kv to 33kv?

613






difference bewteen reverse current and alternating current

1681


In three pin plug 6 amp. 220V ac rating. Why earth pin diameter is higher than other two pin? What its purpose ?

712


how does high earth to neutral voltage affect electronic equipment?

928


primery try cell?

1572


i am going to attaned the engineer (disign)iterview at HAL please give me duid line

1770


what is mean by kneepoint voltage? when it will happen? ( my doubt is, if CT secondary is open means ct get saturation or blas? what are factors are required for calculations? plz give currect anws:

1517


in dc shunt motor if field winding is shorted then

1362


where the lexical paramater will use in fron end?

1441


what will be project cost for 100 kv transformer connection under oyt scheme.

2398


HOW can i REuse the fused MLL LAMPS & GLS LAMPS at our factory

1418