how to diffrentiate between ac & dc motors from a distance

Answer Posted / r a m e s h

Differentiation between ac & dc motors
1-Ac motor has induction properties but in Dc motor has no.
2-AC motor has starts with a capacitor to leading starting
torque where DC has shunt the field & split ring
3-the outer shape is plane of dc motor or rectangular in shape
where as AC motor has built in split bar cooling.

Is This Answer Correct ?    6 Yes 1 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

kindly send me 11KV MV motor differential protection procedure by primary injection method.

1029


What is the main cause of magnetism?

1593


Explain about retrofitting of machine tool.

1488


What will be the voltage impact on secondary side of two transformers with different vector groups when both voltages are compared.

1522


What should be the length of transmission line so that we can see/obtain the full sine wave of voltage??

1416






i applied for the ap transco please forward the freqventley asked QA

1550


i am going to correct power factor of 1600kw induction motor,when i calculate capacitance of capacitor it is three time more in star connection than delta. if motor is star connected which connection i shall adopt for capacitors and reason for adopt this connection

1440


why we use single core 630mm2 cable for transformer secondary side

489


How dia computation perfomed in cold rolling mills .

2596


What is the implications when 600 hp motor is started when the unit is running with Transformer of capacity 1500 KVA and DG set of 1000kva

1744


What are the types of feedback oscillators?

821


How to calculate Number of Earthing Pits....???

1122


how do prepare ongc exam.how is it question model.i am electrical. which part covering in electrical.tell me

1827


What are the applications of the electric motors?

601


How to do maintenance of transformer feeder.

1351