adspace
What happens when ac supply is given as excitation voltage instead of dc
supply
Answer Posted / k.prakashchandra
You can apply only single or two phase supply to the field
and there will be induced voltage in armature like a
transformer.The dc supply is given to create north and south
magnetic poles in the field.
| Is This Answer Correct ? | 1 Yes | 1 No |
Post New Answer View All Answers
hi this is hema can anyone mail me previous years questions for the APPSC-A.E.E (in electrical stream.) ......thank u.
What are the different methodes for calculating the short circuit Current?
what is a reactive power? what is the relation with power factor?
Diagram and details of polarity test for Current Transformer 11kv 400/200/100/1A
Draw the vector diagram and condition for the following: 1) Dyn1 2) Ynd0 3) YnYn0
please send me the previous year's question papers of jindal GET exams
pls someone send me sample question papers along with the key.thanks in advance
i've iocl interview.. if you know the interview process please give me information..
How much minimum insulation required between 11kv/3.3kv transformer windings?
can you send me the placement papers of electrical engg. from companis like NTPC,DRDO,IOCL,HPCL,BPCL etc.?If,plz send as soon as possible.Thanks.
pls,send the previous year written test questions.
hai friends i have BSNL JTO exam on next month so if any body have model question paper or give preparation tips to my mail id kumar4486@yahoo.co.in this will helpfull for my future .plz & thank u by kumar
Please send 110 kv sb station full single line drawing(sld)
Circuit diagram of tube light without starter using electrical choke
Why squirrel cage motor can only use with low starting loads ?