what is the function of commutator in dc motor?
Answer Posted / sunil guru
COMMUTATORS IS USED ALONGWITH THE BRUSH TO PROVIDE UNI-
DIRECTIONAL CURRENT AND TORQUE FROM THE ARMATURE
AND IT CONVERS AC TO DC IN DC MOTOR OR GENERATOR
Is This Answer Correct ? | 7 Yes | 2 No |
Post New Answer View All Answers
What si the d/f b/w KVA & KWH, kvarh & kvar, kwh & kvar phase voltage & line voltage
In electrical locomotive engines, the DC series motors is being used as traction motor. But in new engines like in WAP7 & WAG9 the 3-phase squiral cage induction motors has replaced them. So can someone tell me the advantages of induction motor over dc seris motor in engines points of view....???
Make a list observation on Transformer?
sir please send me previous year questions of jspl of electrical section through which i could prepare myself fpr the test.
why a tester wont shock while testing the power in house
Why the frequency of ac in india is 50 hz but in some other countries it is 60 hz.
How to calculate no of EARTH PIT? Describe the formula as per IS standard?
How one can check the MAIN of a house wiring ?
how to measure the current by compact digital equipment with dislay which fit inside any equipment
what is capacitor voltage transformer?? how it is different from potential transformer?
What is “pu” in ee?
Why does amplifier gain reduce?
although ckt breakers have taken the place of old fuse. But instead of it , these older ones are still used in the industries and homes ? why .... what are their advantages and disadvantages ? which one is leading and winning the race and competition ?
What are the roles and responsibilities of electrical engineer in cement plant
Why do we use center tap transformer that used with portable tools