Explain the process of commutation in a dc machine.

0 Answers  

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hr round

0 Answers  

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WHAT IS THE THUMBRULE FOR FINDING OUT THE CURRENT CAPICITY OF A COPPER WIRE?? 2.5, 4, 6MM SQUARE ETC...

5 Answers  

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if the diameter of a conductor is 'R' then what is the distance between two bundle conductor in a phase?

1 Answers   NTPC,

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why root three is used and how its comes in three phase power system?

1 Answers   IEEE,

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the site measured knee point voltage of protection class CTs should be greater than rated knee point voltage? what about meetering class CTs. Should it be below the rated knee point voltage?

0 Answers  

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If DG runing time neutral is disconnected what will be the effect in Engine and Electricial panel.

2 Answers   HP,

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Where burned of electricity,when,who, & why.

0 Answers   NIGP,

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what is the purpose of reactor in electrical substations ?

2 Answers  

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if two transformers are parallel & both have fault short ckt. impedance of 50KA in each case will it increase or decrease show example?

1 Answers  

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if the back emf eqution for dc motor EB=(QPNZ/60A) THEN what is the value of A for PMDC MOTOR OR how can dicide the value of "A"

2 Answers   BSL,

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what is the knee point voltage in current transformer

2 Answers  

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