In ac motor,when dc supply is given what happend to the
motor?

Answers were Sorted based on User's Feedback



In ac motor,when dc supply is given what happend to the motor?..

Answer / abid hussain

Because in AC Motor the motor winding is according to ac
supply and its impedence is too high due to frequency but
when we will DC Power source to same type motor the
impedence of motor will go down due to no frequency this
cause high current flow through the motor winding and it
will be burn or damage.

Is This Answer Correct ?    6 Yes 0 No

In ac motor,when dc supply is given what happend to the motor?..

Answer / sundarrajan

motor doesn't run.
if the motore runs power loss is higher,efficiency of motor
is reduced.

Is This Answer Correct ?    1 Yes 1 No

In ac motor,when dc supply is given what happend to the motor?..

Answer / ram

the winding insulation get damage due to the mmf. the
insulation of the winding depends upon the volatge only not
on flux.

Is This Answer Correct ?    0 Yes 0 No

Post New Answer

More Electrical Engineering Interview Questions

which motor is used in electric train...???????

27 Answers   ESPL, IOCL,


if power factor comes in leading & showing -0.95. Is there any effect on electrical system? if yes, then please tell me what would be the effects. & how long we keep power factor in leading. Keeping power factor in leading shows more KW & less KVA is it correct or not.

2 Answers   Jakson,


LT cable fault chaecking equipment and to find out the distance at what distence it failure . Name and where it is available?

0 Answers   Himatsingka Seide Ltd,


Please brief me about number of pole in alternator.In single phase alternator coils are connected in star or series. How to calculate frequency for the same.

0 Answers  


what is FET

1 Answers  






hello everybody. please tell me the function of transformer bushing,s. i heared somewhere that it saved transformer winding from sky electricity. please tell me if that is right then how it work,s. Thank,s.

2 Answers   3EEE,


IN WHICH MODE THE TRANSFORMER WILL GET A MAXIMUM OUT PUT VOLTAGE. ASKED FOR POWER GRID EXAMINATION STAT-STAR,STAR-DELTA,DELTA-STAR,DELTA-DELTA

3 Answers  


What is restricted earth fault protection ?

1 Answers  


line and phase voltage relationship?

2 Answers   CPCL, IVRCL,


Which motor is 3.3 or 11kV more reliable, in terms of efficeancy,maintenance, reliability.

0 Answers   Megatron Solutions, TCL,


What is the formula to calculate the rating of a thermal over load relay

2 Answers  


What is the rotor frequency of 10 Hp 1440 RPM 50HZ 415V ?

0 Answers  


Categories
  • Civil Engineering Interview Questions Civil Engineering (5085)
  • Mechanical Engineering Interview Questions Mechanical Engineering (4451)
  • Electrical Engineering Interview Questions Electrical Engineering (16632)
  • Electronics Communications Interview Questions Electronics Communications (3918)
  • Chemical Engineering Interview Questions Chemical Engineering (1095)
  • Aeronautical Engineering Interview Questions Aeronautical Engineering (239)
  • Bio Engineering Interview Questions Bio Engineering (96)
  • Metallurgy Interview Questions Metallurgy (361)
  • Industrial Engineering Interview Questions Industrial Engineering (259)
  • Instrumentation Interview Questions Instrumentation (3014)
  • Automobile Engineering Interview Questions Automobile Engineering (332)
  • Mechatronics Engineering Interview Questions Mechatronics Engineering (97)
  • Marine Engineering Interview Questions Marine Engineering (124)
  • Power Plant Engineering Interview Questions Power Plant Engineering (172)
  • Textile Engineering Interview Questions Textile Engineering (575)
  • Production Engineering Interview Questions Production Engineering (25)
  • Satellite Systems Engineering Interview Questions Satellite Systems Engineering (106)
  • Engineering AllOther Interview Questions Engineering AllOther (1379)