For the same power rating,which motor is bigger in size,AC or DC?

Answer Posted / sunny

AC motor will be of bigger size because of the alternating nature of current to reduce eddy currents core is laminated & also the outer frame has given a shape for max. surface area to dissipate heat.

Is This Answer Correct ?    2 Yes 12 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

explain transformer ct connection?

1602


errection check list for transformer maintenance

2172


why HT armoured cable does not glanding

3689


The power factor of the fixed load is 0.8, now the p.f is varying from 0.8 to 0.5.

1572


Percentage losses in power generation?

2482






what is the difference between general inverter and solor inverter clerly explain plz

1659


WHAT IS THE USE OF PIG TAIL IN WINDOW CT ?

1909


Battery is a voltage source? give one example of current source and why?

1084


my UPS suddenly goes off and all panel light also blow off.This happens even main electric supply is not interrupted.After some time it automatically starts functioning normally.Batteries are new.

1555


from where the self excitrd induction generator get the power?why is the voltage regulation is poor of seig?

1705


We have two parts in generator, electrical & mechanical. how it works?

1502


WHAT IS SUBSTATION & ACCORDING TO VOLTAGE HT,EHT SUBSTATION EXPLAIN IT

2685


if we have a industrial load of 400 kilowatts with 415 volt AC then how much total harmonic distortion (thd%) should be acceptable for steady power system.

1567


where rlc series ckt used?

1770


If one lamp connects between two phases it will glow or not?

609