what are the duties of commutator in motor and generator?
Answer Posted / jayaram
Incase of generator alternating current into unidrectional
current(dc).
Incase of motor direct current converts to alternating
current
| Is This Answer Correct ? | 15 Yes | 4 No |
Post New Answer View All Answers
In constant power region of 3-phase IM torque-speed characteristics, if frequency increases slip A does not alter B decreases C increases D none of above
Earth leakage relay basic knowledge principle
how we test a 3 phase motor on single phase supply....? HOW WE RUN A 3 PHASE MOTOR ON SNIGLE PHASE. supply for testing..? how we verify of a 3 phase motors 6 wire & name thame a1/a2/a3..b1/b2/b3 and c1/c2/c3 for connecting star delta starter ........i have only 1 phase supply ? help forum..........
Why field rheostat is kept in minimum position?
how to select correct size of power cable for inverter duty motor
What is voltage divider rule?
is it possible to test of bus bar in high rise building without completed full floor ?
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
How to calculate mf when meter equipment and meter are connected
Is it a better option to procure screw type air compressor rather than reciprocating air compressor?If so, what is the reason?How should we select an air compressor(100 CFM)? Please mention the important parameters of air compressor.
what is sustainable current of any conductors . a bare busbar or pvc cable has different sustainable current .
why the perameters of secondary circuit are more important then that of the primary circuit of induction motor?
how copper and aluminium wires or cables are choose for current rating? please provide copper and aluminium wire selection chart for different current rating ?
What is the effect on 3phase induction motor if current setting knob of DOL kept at minimum current?
What are the different towers used in 132kv transmission line? what are the differences between the P,R,S towers used in 132KV and detailed explanation