What will happen if we give DC supply to AC motor?

Answer Posted / nitin, s.u.k.

When we apply a d.c. source to a a.c. motors then a steady
magnetic field is developed in stator which does not
produce a rotating magnetic flux to rotate the rotor.

Is This Answer Correct ?    5 Yes 6 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

we use capister for power factor. when we use capaciter in dg circuit  than defect dg. can we use capaciter bank for dg circuit

1418


Apparent power is expressed as V * I(Conjugate). Why not in V * I ?

3443


In EHV transmission line a neutral grounding reactor is often placed at neutral point of shunt reactors. What is the recommended protection for this neutral grounding reactor? Should I use a fast closing switch to bypass neutral grounding reactor when this protection operates?

2746


what are the principles of a booster converter?

1563


i ha done my 10th with 71% ,ITI with 81% 11th with 75% 12th 43% apprentiship with 71% in SAT i secure 1390 ,TOEFL 27 i was refused four times and in all me interview visa officar told that i am not Qualify for study in USA but i completed my 12th yes i got low persentage in my 12th but i seen to much student they already got visa with them 3 or 4 backlocs so why they are refused me ?

3052






How we can calculate the consumption in kwh of motor on basis of kw @100% load, @50% load & @ no load.

2326


when we decide to use soft starter drive or vfd drive in mcc to operate apump?

1530


Why does the speed regulating system adopting I controller have no steady-state error? In this single closed-loop speed regulating system, when the input of the I controller Un=0, what is the output voltage of the regulator? What factors do the output voltage depend on?

1411


What is the difference between AC and DC injection methods for rotor earth fault protection

1680


how to test reverse power trip?

3872


What is meant by Load Encroachment in OHL Feeder Protection?

3103


How many types of circuit loads are there in a common electrical circuit?

672


in Telecom DC system-why positive +ve is made earthed.and - ve is fed to load.

2146


The electromagnetic torque developed is proportional to what in a D.C series motor?

716


We have two APFC panels in same station. I need how to connect CT in two APFC panels.can we take one CT in series connection or two separate CTs.

976