what happens when we give ac supply to the dc motor?and why?
Answer Posted / rajesh
when an ac is given to a dc machine ,current under north or
south poles change their direction 100 times per second
so ,ideally it should move to and fro motion continously
which may cant work practically
| Is This Answer Correct ? | 4 Yes | 0 No |
Post New Answer View All Answers
SUTIABLE FOR ohm's law super conductor
what is calculation mathod/formaulla for deciding Size of busbar (Copper/ aluminum)for L.T. panel on Various Fault level like 50kA,25kA,10kA
Draw transformer phasor diagram.(full load,no load)
WHAT IS THE FORMULA FOR CALCULATING CURRENT RATING(DIRECT IN GROUND OR AIR) OF ARMOURED(XLPE) CABLE OF 4C,16Sqmm?
How much load can be taken for chiller from 1500 kva transformer
What is EMC filter in VVVF Drive ?
What is the RME and explain the full form and what is the RME work?
Explain the different methods used in the choice of rotor slots for reduction of harmonic torques in an induction motor.
What happened ,If 3 phase clearance not maintained in 33KV Line,11KV LIne etc?
What will be the fault current of any system when its generation is 10% of BASE generation( FUll Load )?Will is 10% or the same as full base calculation?
What is current divider rule (cdr)?
Discribe type of fault in DOL and stardelta startor.
List the advantages of star-delta starter with induction motor?
Write the analogous electrical elements in force current analogy for the elements of mechanical translational system.
In Power Line Communication (PLC) the wave trap is used to block communication signals from entering neighboring lines. My question is this: Why do they allow for different filtering arrangements on these wave traps? Isn't it always going to be a low pass filter since we want the power frequency to go through, and the comm signal blocked?