why excitor coil of an alternator can fail
Answers were Sorted based on User's Feedback
Answer / shyamkr
actually i don't understand what you actually want to ask in
this question...
there are any reasons because of which the excotor coil
fails in alternator
i)due to earth fault in excitor winding.
ii)due to short circuit of two or more turns.
iii)due to insufficient exciting current.
and some more...
i don't know whether i have given the thing you want in
this question or not........
Is This Answer Correct ? | 7 Yes | 2 No |
Answer / satya prakash devagupthapu
the exciter coil of alternators fails due to
1)when the diode plate not properly work at the back of alternator which is connected to compound wound generator rotor.(the exciter field coil connections of alternator are connected to compound wound generator rotor).
2)and major reason is AVR failures also.
To avoid these failures of components maintain equal and correct load on each phase of the generator.
and avoid loose connections at the diode plate terminals.
Is This Answer Correct ? | 0 Yes | 0 No |
Answer / pillay
thanks & sorry Shyamkr.It is suppose to be what are the
reasons 1} WHY the excitor coil of a alternator can fail.
2} How to prevent reoccurance.
Is This Answer Correct ? | 0 Yes | 1 No |
What is Exact meaning for Full load Efficiency and Maximum Efficiency of Transformer? Is there any Difference between? If yes ,please provide with formulae?
In DC generator, we use commutator, having no. of segments. Then how it is possible to get a half wave of voltage and current for half rotation of armature?
why Square root 3 used for three phase?
what is the different beetween kva and kwh?
where to use CT and PT?
Explain in brief description about the operation of DG sets.
why full load voltage is less than no load voltage?
what would the resistance of a 110v 150w submersiblepump motor windings be
why we r not earthed Control cable of C.T. terminals
what convarts RRA in alternator ,AC to DC or DC to AC,
why we using capacitor in single phase motor ?
How to set a Zone 1 distance relay for distribution feeder?
0 Answers Schweitzer Engineering,