why we used.c source in the field of the alternator , why
not a.c source.
Answer Posted / javad
suppose the field is rotating and the armature is
stationary,we r applying dc to field. consider a single
conductor of armature. according to that conductor,while
rotor rotate say north pole is coming and have maximum
intensity then to low afterthat south pole is coming maximum
valu then minimu again norht. ie with respect to that
conductor it feel a sinusoidal flux.
if we are applied ac then we will not get sinusoidal
flux,hence cant produce sinusoidal emf.that is y.
hope my answer is correct
Is This Answer Correct ? | 5 Yes | 4 No |
Post New Answer View All Answers
how works inductive &capacitive sensors?
Two liquids hot and cold in two vessels are there and an metal bar acts as a conductor of heat between the two vessels. what happens then. what happens after 24 hrs?
Why 30kw 40 hp 4 pole 3ph induction motor over heated?any steps on reduction in heat?
What is voltage ratio of a transformer?
defination of lines
What is milivolt dop test in Busducts? What is its significance & procedure to do the test?
What is mean by hot and cold loop testing? What is the difference between them?
what is induction furnance? how many phase supply given io its coil for 15 or 20 ton furnance?
What are hrc fuses and where it is used?
how to Select its CORE in electrical cables based on its applications? or Application of various types of electrical cable based on it CORE?
What should be the protection scheme for a 15kw, 3-phase motor working in a lathe machine.
why zero sequence impedance measurement is not applicable for single phase GT
why they were using TRIAC instead relay in some controllers and what is the advantages.
what is the advantage of connecting capacitors in delta than in star?
can i connect the two phases of scott connected transformer,if not why?