why dc is not given to transformer

Answer Posted / sheik abdulla

as we know that transformer is working in electro magnetic
induction principle, that is alternating in nature, if we apply a d.c
source, we can't able to generate emf, so we can't apply d.c to
the transformer

Is This Answer Correct ?    1 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

i need to now what will be the cable size to the following load, transformer to distribution panel distance 110m, load 1000kw, voltage 400v, pf 0.85, permissible voltage drop 2.0%, overhead line, atmospheric temperature 35 degree c.

1191


write a c++ code that receives an integer number and display the sum of the number and its revers integer?

1578


Define the overload capacity of the motor?

1587


we have a lot of model of rectifier but thyristor rectifier is the most rectifier that use in power system. Do you know why this rectifier is used?

1331


How to minimize the eddy current losses?

641






Dear All, I am new in construction company , my boss ask a question at time of interview , If we have 60MW generation and Single Power Transformer step-up we have. if CMR 50/60MVA , ONAN, ONAF respectively , is it sufficient or not ? for that much power to transfer,

1220


How is the speed of a DC shunt motor related to the armature current?

681


what is mean by dry frequency

1947


HELLO SIR, IAM PREPARING HPCL EXAMS. SO PLS SEND MATERIAL OF HPCL ELECTRICAL ENG..TO VIJAY_8888@YMAIL.COM

1438


how ct burden,magnetising current,ratio and knee point voltage are related & derived

1765


Is vtg is controlled by the resistor? if else how much?

1655


Transmission voltage is kept 11KV,33KV,66KV,132KV,220KV due to form factor. What happen to 400KV and 765KV transmission voltage?

1691


What is the difference between earth fault protection of motor feeder with CBCT and Without CBCT ?

2295


what is the advantage of connecting capacitors in delta than in star?

1640


Explain M Var? Which types of problem occurs when reactive power increase at the time of full load of plant and at the time of synchronize of plant?

1329