why we use carbon brush in exciter&genrator?
Answer Posted / raul
brushes r the means of supplying the direct current from
the commutator to the external load ........n the contact
resistance is an important factor which plays an important
role. in dc generators, carbon brushes also helps in
improving commutation
| Is This Answer Correct ? | 0 Yes | 1 No |
Post New Answer View All Answers
How to decide and select the different earthing wire size for the different types of earthing
What is the difference between acs 550 & acs 850
how to remover corona effect and hysteresis losses from contactor
How to calculate capacitor bank size at a load 800kVA.
What aturn on methods of scr?
how we can set the IDMT relay.
how to carried out DAR test in 11 KV Alternator ?
what is KSR type transmission tower? What is LSR type transmission tower?
what is the acceptable limit value for Desolve Gas Analysis/
george phenomenon of synchronous machine
features of hbc fuses
what is protection class current transformer.
why the starting voltage drop in a cable needs to be limited?what is percentage of the voltage drop allowed during starting?
why we use copper earthing for neutral while for body GI.
Hello Guys !! i want to rrb section engineer electrical(signal) previous model papers? any body help me?