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.

what is difference between short ckt and overload?

6 Answers   Siemens,

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what is brushless alternator?

0 Answers  

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What is LOTO?

6 Answers  

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how was the induction stove working?

3 Answers  

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why dc did not flows to earth?

2 Answers  

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DC Motors applications used in Lift/Elevators

8 Answers   IOCL, SCS, Usha Martin,

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how to define vector group of transformer

1 Answers   Engro, Reliance, TATA,

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Draw the vector diagram and condition for the following: 1) Dyn1 2) Ynd0 3) YnYn0

0 Answers  

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What is SF6 Circuit Breaker?

10 Answers   Sodexo,

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What is distance between electrical panel to land ?

0 Answers   Fresher,

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Input power is 380 - 450 V but with 45 - 55 Hz frequency - desired output is 415 V and 50hz with 1% variation permissible. CVT / Servo dont stabilize the Frequency - what is best solution??

7 Answers   IOCL,

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How to specific gravity of battery will check, i didnt saw any hydrometer. & say me how to dip into the battery what are the specifications are given in the hydrometer?

1 Answers  

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