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
how can i find cable size from current rating?
what the function breaker failure scheme, how is it operated
Why did lightening arrestor solid copper rod head is sharp on mobile tower top?
What are the factor to be consider for CT selection in 132kV substation?
what are the sample questions asking to the test cunducting for electrical superwising lisence test?
Can we transmit digital signal to long distance ?
A powerplant has 8 gensets operating in grid parallel mode. In one genset sometimes there is pf variation and kvar variation. The plant operates in pf mode. When this variation is observed the load is stable, voltage is also stable, freq and genset speed is also stable. How will you check the functioning of pf card. What shall be the ideal output vdc of the pfc, from there it is input to AVR?
What is oscillator circuit?
1.why we are using metal oxide gapless block in lightning arrester,2.What is minimum and maximum rating of metal oxide blocks using in india
What is the two pole structure?
why all the feeders are designed in a particular manner ... is there any reason for that???
can any one know is sbi interview based on merit or based on roll number
What is the importance of earthing?
How to calculate cable size by using load.?? Any formula...
what is PWM in IGBT and how it works for drive.?