Question { 11908 }

How do you convert the lt amps on a transformer to the ht
amps?

Answer

the formula is

k=(v1/v2+qi/q2+i2/i1)
where k is transformation ratio
q is flux produced

Question { 6841 }

what is soft starter?working principle?where it can use?

Answer

soft starters are the AC drives which limits the starting
current as like starters,
but the diffrence in soft starter is, it is controlled by
SCR, by that we will limit the starting voltage to ur need.

Question { 11722 }

We are using Powerica make 100 KVA DG set. Whenever i
connect compressor on DG load (Compressor Make Atlas Copco
5.5 kva) that time we face the lot of fluctuation on Dg
output. Can you please suggest me how can prevent this
fluctuation?

Answer

Kindly check the other loads that u r connected because
there may max demand problem

Question { Bhel, 22009 }

I have seen 1 video in which a person getting shock while
standing at top of a train,i have 1 question?
why the people sitting in the train doesn't get shock while
that man getting shock from top of the train? How the
earthing of train works?

Answer

all are wrong
the train power line ,ie positive is the main supply (over
head lines 22KV DC) and it collected by bow or pentagon
collector and the track is the negative or earth, in thius
principle train is working.