what is the working principle/operation/theory of 3-phase rectifier power transformer used in cold rolling mills.

1 Answers   TATA,

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what is reactive power?, why its measured in VA ? is it transient behavior of system?

0 Answers  

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what is the diffference between 3 point and 4 point starter ?

3 Answers  

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A FIELD MAGNET IS EXITED BY AC/DC?

4 Answers  

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What is the different between Earthing & grounding?

1 Answers  

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What is Exitation voltage and Exitation current? What is the function of these in Alternator?

2 Answers   TC, Tisco,

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LET ME NOW MORE ABOUT icu and ics for circuit breaker. how we calculate the rating of circuit breaker and i c u and ics values

0 Answers  

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what is the use of reactive power

3 Answers  

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What is the average hieght of a electrical tower? what are the factors that are taken into consideration for deciding its hieght other than voltage level?

1 Answers  

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which fault current is maximum: 3 phase short circuit, LG, LL or LLG?? why?? in one of the problems that i have solved, 3 phase short circuit current on an unloaded generator came out to be less than the LG fault current. can anybody please explain why.

2 Answers   Bhel,

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what is power factor

7 Answers   Eskom,

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what happens if generator is running leading power facotor?

9 Answers   century,

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