Answer / dayal varma

universal motor will work in both ac and dc so in dc we
need a commutator

Answer / dileep mishra

universal motor work in both ac and dc so that commutator is
design for this motor. in dc motor commutator is use only
for direction.

Answer / gaurang

commutator is use to facilate the collection of current, so that we can use this electrical energy for our purpose. And commutator reversing the direction of current across one half of the pole and further reverses across another half of the pole so that we can get AC current or voltage.

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?

0 Answers  

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Thumb rule for capacitor bank calculation

1 Answers  

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why indian power system having 11.22,33 KV ???

6 Answers   Titan,

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current transformer cannot measure voltage or not ? then y we use P.T ?

1 Answers   Bhel,

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what is the formula to calculate the fault level current for any substation?

2 Answers  

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1.why we are using metal oxide gapless block in lightning arrester,2.What is minimum and maximum rating of metal oxide blocks using in india

0 Answers   Areva,

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two transformer connected in parallel.tap change are different.if i want to on the buscoupler what happen?

1 Answers   Essar,

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What is the function of a turbo charger in a 1000kva DG set

6 Answers  

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What is the criteria for selecting the voltage classes of an AC Induction Motor.The KW rating above/below which ht/lt selection is made may be provided in details.

0 Answers   DAE,

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how winding temperature detects in power transformer...?

5 Answers   Roverco,

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1. Why is the speed of shunt motor practically constant? 2. Why dc series motor use to start with heavy loads? 3. advantages & disadvantages of separately excited generator over self excited generator?

0 Answers  

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Is there any Institution for giving M-tech in Electrical engineering for those who r in service? Give the details please.

0 Answers   CB&I Lummus,

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