Answer Posted / praveen
main types are 1)step down and step up transformers
2)single phase and three phase transformers
again subdivided in core type and shell type....
one more catagory is
1)distribution and power transformers
2)instrument transformer
a)current transformer
b)potential transformer
3)constant voltage transformer
4)constant voltage transformer
5)tap changing transformer
| Is This Answer Correct ? | 126 Yes | 21 No |
Post New Answer View All Answers
in single phase converter, the no.of scr's conducting during overlap a)1 b)2 c)3 d)4
What are the reasons for the parallel operation of transformers?
What is dc current source?
What is the problem of internal failure in ship engine telegraph system norcontrol?
Explain what is rated speed?
what are the standard IR values should be of R-E, Y-E, B-E, R-Y, Y-B, B-R of VCB in closed condition and in open condition for 500KVA & 1000KVA transformers. and what is the acceptable range when tested by 5000V megger.
What is warm / cold start of HT motors. How many warm start & cold start are possible in a day?
what is motor capacity of 80TR chiller? and also say what is the formula related temperature, motor capacity, TR?
Apparent power is expressed as V * I(Conjugate). Why not in V * I ?
What do you mean by ratio correction factor of instrument transformer?
trasnfarmaer core make
how tto ingress mw in turbine explain.procedure ?
Why does inductive loads consume KVARs?
How do we find the rating of a transformer, if it got burnt badly.
what is feed back and what are feed back amplifiers?
