Interested to Buy Any Domain ? << Click Here >> for more details...
Answer Posted / sarath k
the carbon brushes are used as commutators because of resistance commutation and the carbon has self polishing property
| Is This Answer Correct ? | 4 Yes | 4 No |
Post New Answer View All Answers
sir vizag steel ka junior trainee ka paper kitne number ka ayega
Installation resistance for whole installation of 16 kva & 25 KVA DTRA a) Between each conductor b) between conductor to earth c) installation resistance for each apparatus, each conductor to earth d) earth resistance for the system of earthing
how ct burden,magnetising current,ratio and knee point voltage are related & derived
how can tell us the AC indoor or outdoor which Tr and formulls
if you are in a software company,then why do you want to come in a core company like sail, ntpc(where lots of trouble like tension but you have a good life in a it company) ?
When can we take Neutral as common neutral link?
Explain about 3 phase motor fault current calculation with examples?
Why the arms of delta in a delta-wye power transmission system are kept constant??
how can you size an automatic voltage regulator?
ii) A shunt motor supplied at 230V, runs at 900 rpm when the current is 30A. The resistance of the armature is 0.4 ohms. Calculate the resistance required in series with the armature to reduce the speed to 600 rpm, assuming that the armature current is then 20A. [12]
Advantages of using generator circuit breaker (GCB) scheme in a power station ?
hi frds, i m electrical engineer.can i get cdr for electrical engineer if u have then send me on my mail id its jayesh_ee88@yahoo.com.please help me frds
why swinburnes test cannot be performed on series machines?explain
WE know that for Inductor X=2pifL,In DC f=0,then X=0 so,V=IX=0;But In the DC excitation of rotor of AC generator,DC motor field coil which coils are inductor so why does not applying DC voltage short the rotor coil of AC generator and field coil of motor?If it would then DC source might be damaged but it is not happened. Why does the strand conductor of Electrical power transmission line make twist?
Explain cos(theta) and Sin(theta)
