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
in basic 2 phase will short means tripping the power but spot welding 2 phase shorting but not tripping it will welded why.....(Q)
why do we not use equivalent voltage source in negative sequence equivalent ckt.
What are the three types of compensators?
Is there any relevant technique to produce power from light and heat energy of the sun simultaneosly from same rays of light?
What is installed in PAC that is control the humidity
Whether power factor should be high or low? Why?
how to calculate maximum current
Which motor will you choose which can operate in both lagging as well as leading power factors?
what is the transmission loss for electrical supply? specifically a large shopping complex where the grid is half KM away, what will the % of transmission loss? is there any transmission loss for captive unit generation for above set? thanks
how to calculation increase power factor for single phase
Is there a standard depth of gravel fill in Substation Switchyard? Please give a design/drawing. Thank you.
What does the kvar means?
We have a couple of oil tanks at our plant. One of them does not have a lightning arrester installed. My question is it necessary to install an arrestor on every tank or will this particular one be covered by the arrestor installed on the ajdacent tank, Since all the tanks are close to each other. Basically, I want to know that if these arrestors or protection works in a parituclar area of effect or influence. Thanks
why connecting surge unit in contactor coil
What is limitedly stable system?