single phase 230v three phase voltage 415volt why we aren't
used line voltage 690v?

Answer Posted / shrawan

Shashank, your answer seems to be a best answer but kindly
eleborate the thing star delta connections.

after that we can unsderstand properly...
Waiting your reply..

Is This Answer Correct ?    2 Yes 3 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

what are the factors to be considered while design the breaker either HT or LT??

1409


How do I calculate a WTI CT ofa 1250kVA 6600/400V transformer

1311


what is the difference between delta delta and star delta connection transformer? why we use delta delta transformer since it need earthing transformer for grounding?

1626


we have one oven for 12 zone we are installed ir lamp in oven we control load from thyrister and 0 to 5vdc so our zone no 8 getting bright in fraction of second so what we do.. Please answer

1299


what is the profesional board for electrical engineer what is thepast and during construction for electrical engineering

1465






Explain difference between stand by earth fault and residual earth fault protection?

1533


which types of relay used in acb and vcb?

2318


defination of transistor controlled series capacitor

2202


What is Percentage impedence of a transformer? why it is expressed at a percentage? what is the importance of percentage impedence in case of a transformer?

1434


IF DISTANCE IS 100METERS B/W AMP.METER AND CURRENT TRANSFORMER WHAT WILL BE AFFECT IN ACCURACY .METER CAN SHOWING ACCURATE CURRENT OR NOT IF NOT WHAT CAN I DO TO GET 100% ACCURACY.

1417


What is inductance?

673


How to identify the start and end of 3phase 12 lead motor if U1, U2, etc numberings are lost or erased.

1714


What will be the voltage regulation of a full load and 0.80 power factor lagging load transformer when a two winding single phase transformer has a voltage regulation of 4.5% at full load and unity power factor?

743


How to calculate pitch, gauge of winding wire, and No. of turns for 30HP, 3 phase, 4 poles 50Hz, 380V induction motors

1479


please write motor, transformer, Generator setting, fault level calculation of Tr.etc

1520