Interested to Buy Any Domain ? << Click Here >> for more details...
why we use carbon brush in exciter&genrator?
- 5 Answers
- 11715 Views
- ABB, SMC, I also Faced
- E-Mail Answers
Answer Posted / kawsar ahmed
We use carbon brush with commutator and slip ring, because carbon has negative coefficient of heat. That means when heat increase carbon brush resistance do not increase.
Another reason is carbon friction loss is less then other element.
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
is ac supply can store
I need HT sphere gap calibration table. Can any body help me.
What is expention fastener (Fan)
i need some project topics along with circuit diagram in the electrical adnd electronics engg and also give ome website regarding projects.my mail id is thenmozhi2k7@gmail.com .please help me.
I want to do a mini project. Now I'm studying in 6th semis tor EEE Engineering.
how to calculate energy of 3-phase motor?
i am an maintenance engineer. one distribution board have 5 feeder. recently its ELR trips frequently, but it take some times after trip( 10min,20min..)but 3 feeder no load. two feeder only loaded. i checked one feeder IR value all values are above 50Mohm.but B phase to Earth is only 9Mohm.any problem about low value
hi friend i am going too attend for hpcl in this month please help me by sending written test question papers i am in the stream of E.E.E
what is quality factor in series resonance circuit and calculate the factor of voltage magnification? how it happens?
is it possible to test of bus bar in high rise building without completed full floor ?
which are the criterias needed to select the kind of neutral earthing(solid earthing,resistance earthing,etc.) at various voltage levels in electrical distribution?
How can i get my certificate of competency as an electrical supervisor? I have complicated my B.Tech from Uttarakhand technical university this year (2012).
Why is ignitor used in sodium vapour lamp
how current is reverse from its normal direction during the fault?
For group 1 , 2 whather i have to prepare my technical or general studies etc? and im graduate in ee engg. for wht posts im eligible for? please tell me!
