what happens when we give ac supply to the dc motor?and why?

Answer Posted / rajesh

when an ac is given to a dc machine ,current under north or
south poles change their direction 100 times per second
so ,ideally it should move to and fro motion continously
which may cant work practically

Is This Answer Correct ?    4 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Whether it is possible to measure energy at the input of rectifier transformer (12 pulse with very high odd harmonics)

1474


What about electrical Units. discrive in detail

1515


why the NGR (neutral grounding resistor) always OFF during DG off?

3077


What is the unit of magnetic flux density?

716


Is electro plating what type of load whether resistive, inductive or capacitive loads

2907






3 phase induction motor connection star or delta while using ac drive motor is .75 to 5.5 kw

1530


what is the purpose that we use PLC system in power system

4213


How good are you in resolving the commercial issues to Employer's advantage?

1882


What are the types of windings according to the construction?

610


Define end float in a motor?

5478


what is the criterion for selecting vector group of Transformers ? i mean how to decide vector group of Generator transformer, substation trasformer and transformer at consumer end

1769


Which of the following alternatives will be cheaper (1) A 100 h.p AC, 3-phase motor (2) Four motors of 25 h.p each (3) Five motors of 20 h.p each (4) 10 motors of 10 h.p each explain

2522


why three phase capacitor takes unbalanced current in capacitor bank?

1015


For a stable system, where should the poles of a system be in a root loci plot?

731


how to control dc motor?

1424