Application wise, where we should use AC motors and where we
should DC motors?
Answer Posted / subbiah
i think DC motors can use where variable speed required and DC motors normally using at low voltages.....
| Is This Answer Correct ? | 2 Yes | 3 No |
Post New Answer View All Answers
How DC earth leakage currents can be reduced ?
How is efficiency of DG set calculated? At many places I found the efficiency to be mentioned in percentage. But at some other places I found kWH/ litres. I want to know how dimensionless percentage value is arrived at?
what is earth-fault?when it occurs? to check where it occurs what type of test should we do?
why wire sizes are 3/29 or 7/29 and why not wire sizes are 2/29 or 6/29?
What happen in ups if phase reverse?
Inductor and capacitor........power in one phase and ...... in it another phase.
What is the power factor of an alternator at no load?
Which material is used for the core of a transformer and why?
the problem faced on star or delta winding connection??
how the B-H loop obtain under the static condition
if i am in front of transmission line how to know that current direction without any equipment
How a capacitor discharge weld power supply works? what is the use of a pulse transformer?
how we can calculate power factor in single phase & three phase ?thank u
What kind of preventive maintenance are there for transformer?
what is level 2 automation?