how we can varying the speed of dc motor ?

Answer Posted / uma

speed of dc motor can be varied by using v/f control. that
is either by changing the armature voltage or frequency.

Is This Answer Correct ?    8 Yes 5 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

How relay coordination has to be done? what are the inputs are required for this? Please explain this with calculation method?

1341


What is Negative Potential Bias

1777


what will happen if multimeter(selector switch at DC voltage) and terminal at current is connected to DC supply?

1502


On a 6 KVA UPS we have to provide a DC MCB for Battery bank of 16 nos (12 V 42 AH). What Shall be the current rating of DC MCB ?

2105


what is the purpose of bypass mode in energy lighting transformer?

2048






What is the function of electron gun used in crt?

590


Advantages/Disadvantages of earthing of neutral bus on MSB instead of separate neutral earthing for transformer/DG sets feeding to MSB

2288


how to find the voltage's of a transmission line plzz help with pictures i am not able to understand

773


advantage of motor design on higher power factor . normally motors are designed for .8 power factor. what is advantage of designing at .88 power factor

1373


i have 90kw motor.so i choose connect cable .please what is parameter checked so please give to formula

1718


Can 33kva/415v transformer be run underground? If the answer is yes why and if the answer is no why?

1163


advantages & disadvantages of Lagging and leading power factor .

9075


how to find motors H.P. whout any rating? (only give you a motor and multimeter)

4761


How to reduce the static electricity producing in solvent room? By P.D.Patil BioCon

1567


Testing procedure of DG alternator stability test

927