want happens when a dc is given to a commutator

Answer Posted / bharathi

the function of commutator is to receive ac.current from
armature conductor and then converting it into a dc current
just like a rectifier.

Is This Answer Correct ?    0 Yes 1 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Dear sir, How to calculate 3.5 core pvc aluminium armoured cable meter wise carrying amps rating.Please give the solution with a good example.

1311


What is called grain-oriented laminations?

633


A ii kv 1200 A Breaker combination fixed in a cubicle. How many ampere Fuse is required? If fuse is not using, Why?

1509


can the measured percentage error during calibration of single phase energy meter be negative?

1926


how we control automatic generator i'e with to supply (main supply and local generator) when the main supply was break to supply the local supply automatically to begin supplying power.I now this control circuit is the combination of contactor time delay contactor switch and overload relay .but my question is how we combine those component thank you

1514






for 750 kw LT load what will be the ht kva

1251


in shunt clippers why a resistor is used in sereis with the input

1515


Define ohm’s law for a.c (alternating current)?

631


How Load Factor, Demand Factor, Diversity Factor etc best applied in designing an electrical circuit? Is it allowed to consider these factors in each and every panel in an electrical distribution system? Can any body suggest a good book for reference?

2463


Why transformer used in UPS??

1035


in my industry we are using 3 step up transformers for induction heaters..i.e 415/580v and other are 11/440v.in power consumption does a step trnsformer makes any difference compared to step up?? plz explain

1438


how oti and wti connections are different from each other?

1600


For some transformers we are using solid neutral earthing while some others we are using resistance earthing why ?

1472


tell me some type of questions throught which i can prepare for exam and do my best

1551


the winding of Generator and Motor is star or in delta ? and why

641