what is the function of commutator in dc motor?
Answer Posted / kalaimagal
In dc motor actually dc supply will be given as source for
excitation.the function of commutator is to convert the ac
supply to dc supply,it same as rectifier function.
| Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
what is PDU in transformer?? which company manufacture??
Compare salient pole and cylindrical rotor machines.
I have a small system with two motors that are running on 380 vac, 60 hz. These motors are expensive and I usally get them from Brazil. I am adding another motor to the system, but I want to purchase a 480 vac, 60 hz motor to use. It will be on a VFD that is rated fro 380 thru 480. Is this posible and will I have to use a larger motor and derate it?
How to Decide the Location of Earth pit for Compressor in Oil Depo? and How to measure the resistance of earth pit Pls explain me with the help of Circuit Diagram?
Differentiate between magnetic field and magnetic flux?
how does an centrifugal and screw type chiller will work. which chiller efficiency is high and why.
what is the criteria for selecting fuse rating in 1phase, 2phase & 3phase welding sets?
how to calculate the cable current ratingand and how much of distance the rating will be ok will the distance is incresed what the action we take
what is POTT and PUTT explain?
What is the suitable transmission voltage?
what happen if field of dc shunt motor opens? what is function of putting res. in parallel to one phase of 3 phase IM? the power supplied by 5A source in circuit is given by------Watt.
Define availability (operational)?
Between educational qualification and practical work experience, give us a brief explanation on your practical experience in your past Endeavour that you performed well to the satisfaction of your past or present employer?
IN SINGLE PH TRANSFORMER IF LEKAGE IMPEDANCE DROP IS NEGLECTED ,THE FLUX IN THE MAGNETIC CORE and the lekage flux linking a winding are a)proportional to the applied v to the winding i respectively.
WHAT IS MEANT BY SHEATH VOLTAGE IN 132Kv cable?