What is the differance between a converter duty transformer and normal power transformer?

1 Answers   Bhel,

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If an electrical component has a positive temperature coefficient, how come such components have high power losses due to heat if current decreases when resistance increases? assuming power given by I^2*R whereby the Resistance is infinite.

0 Answers  

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why maintenance batteries used in DG sets not in MAintenance free Batteries.

4 Answers  

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What type of DC Generator is used for Arc Welding purposes?

7 Answers   CPCL, Rubicon,

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In track electrification Either we use single conductor or double conductor? why?

2 Answers  

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How can we measure the frequency of a rotor running in full load condition? Explain the method of measuring.

2 Answers   Wipro,

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In a 3 phase 4-wire system. For a 3.5 core cable if all loads are single phase and balanced, what will be neutral current? will it be sum of all phase currents? Or it will be zero? And if loads are unbalanced what will be neutral current?

0 Answers  

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what is electrical machines

1 Answers  

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dc supply given to dc generator winding.how is possible? my knowledge is saying the winding will burn. please reply.

0 Answers  

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what happen ehen synchronisation is done at below rated speed

0 Answers  

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Why 1/3 is used in symmetrical components?

0 Answers   ABB,

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what are factors to be consider in electrical installation like load factor,diversity factor .....

0 Answers  

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