How will you Physically differentiate A.C and D.C motor?

Answer Posted / n.veeratejeswar

For dc motors the outer part of stator surface is smoothly
and for ac motors there is a numbber of fins parallel for
cooling purpouse

Is This Answer Correct ?    4 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

In HI POT test what is reason for applying the AC VOLTS and DC VOLTS in different applications what is the nessesity for this ?

1450


What is ignition module of a CAT Gas Genset G-3508 Engine, Alternator SR4B Series. HOw its checked for correct functioning.Is it repiarable or replacable?

1729


how load of a turbo generator can be increased

1464


I am using submission of two ct in one and half scheme for 67/67N protection. Both CTs star point is grounded separately near ct box.Will two point ground give wrong tripping to 67/67N during fault or no matter.

1649


how we control automatic generator i'e with to supply (main supply and local generator) when the main supply was break to supply the local supply automatically to begin supplying power.I now this control circuit is the combination of contactor time delay contactor switch and overload relay .but my question is how we combine those component thank you

1512






What do you mean by transformation ratio of instrument transformer?

631


What is inductance?

670


How to configure the drives in PLC, through Profibus commnication. And to how to address it?

2359


what is different between phase and netural

1500


volts=230 c=10mf a=??

1575


In electrical locomotive engines, the DC series motors is being used as traction motor. But in new engines like in WAP7 & WAG9 the 3-phase squiral cage induction motors has replaced them. So can someone tell me the advantages of induction motor over dc seris motor in engines points of view....???

1997


Why did lightening arrestor solid copper rod head is sharp on mobile tower top?

1535


Why strting torqe high in inducation motor?

1640


if main CT is of ratio 50/5, and meter CT is -/5 what will be overall multiplying factor of meter.PT is 11000/110 .

1154


What will happened if the neutral of the (star connected secondry) Xformer disconnected? (if its Above KVA rated one)

1711