what will happen to give a dc supply in transformers?

Question Posted / m.hariharan.

3 Answers
5392 Views
I also Faced
E-Mail Answers

Answers were Sorted based on User's Feedback

what will happen to give a dc supply in transformers?..

Answer / mahesh sali

dc supply given to the x'mer , there is no flux produced
into the transformer due to the absence of frequency ,
cause will be damaged of insulation of x'mer and its get
overheated

Is This Answer Correct ?

10 Yes

0 No

what will happen to give a dc supply in transformers?..

Answer / naveen

it will lead to burning of transfotmer because there will
not be any secondary emf hence tranformer will work like a
load itself & due to overheating it will burn.

Is This Answer Correct ?

0 Yes

0 No

what will happen to give a dc supply in transformers?..

Answer / guest

When DC is supplied to a transformer the windings in the transformer will make it a electro magnet. There will be no
effect on the secondary but when the supply is interrupted a
voltage will be induced in the secondary.

Is This Answer Correct ?

0 Yes

5 No

Post New Answer

More Electrical Engineering Interview Questions

What is meant by control system?

0 Answers

A 4-Pole D.C. Generator has a speed of 1500r.p.m. Then what will be the frequency of D.C. Generator ?

9 Answers IBM,

electrical resistance in human body?please dedails quick. mail.psrinivasan20@yahoo.com

2 Answers CTS,

PRV (Pressure relief valve) Trip with oil splash outside power transformers

1 Answers Khan,

why do we need the body earth?

4 Answers

what is meant by brushed alternator & its working principle ?

0 Answers

please send me the L&T Emb. sys. placement papers and entire details of pattren

0 Answers HMM, L&T,

(1)The demand for electricity , the amount of renewable generation available, the amount of fossil fuel generation available and the cost of the fossil fuel generation are shown in table below period(hrs) demand(MW) renewable (MW) fossil- fuel(MW) cost of fossil fuel(MW) 00.00 - 01.00 2000 1800 2000 30 01.00 - 02.00 2300 2500 2000 30 02.00 - 03.00 2500 2700 2100 45 03.00 - 04.00 2900 3100 2100 50 04.00 - 05.00 2700 2600 2500 45 05.00 - 06.00 2400 2000 2700 50 06.00 - 07.00 2200 1800 2000 36 07.00 - 08.00 2100 1600 2000 36 Assuming that the renewable generation incurs zero cost, determine an optimal generation schedule(specifying the amount of renewable generation and fossil fuel generation used in each period, the cost for each period and the overall cost for 8 hours.)

0 Answers

from which subjects most of the technical que will b asked for hpcl(electrical).pls help me

0 Answers ABB, HPCL,

What are options used for earthing the switchgear.

0 Answers KSEB, L&T, Siemens,

What is meant by term Back to back in HVDC transmission?

1 Answers SSC,

what is the role of energy meter in distribution system ???? technical and non technical losses in distribution system????

1 Answers

For more Electrical Engineering Interview Questions Click Here