what is reactive power ? what its role in transmission lines?

3 Answers   Thermax,

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I know during Surge Impedance Loading maximum power is transferred through a transmission line and also Sending end voltage becomes equal to Receiving end voltage i.e Vs=Vr so my question is if both end voltages are equal then how current travels in such line hence how power is transmitted because flow of current needs Potential difference??

3 Answers   NTPC,

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A well system is when , no. of bus bar is less or more. Tell me the concept of it.

0 Answers  

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Ohm's law applicable for semi-conductors?

4 Answers  

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what is power factor

5 Answers   Exide,

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What is the difference between expansion joints & thermal expansion joints in Bus bar

1 Answers  

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why a tester wont shock while testing the power in house

0 Answers   Tessolve,

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Difference between ups

32 Answers   Emerson, Tata Power,

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why a pure inductive circuit has zero power output?

8 Answers  

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Size of the 60Hz and 400Hz transformers is a) same b) 60Hz Tr s larger than 400Hz Tr c) 400Hz Tr s larger than 60Hz Tr d) None of the above

5 Answers   Ecil,

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why need of ac exietation in alternater.

2 Answers  

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We have 2 no. 4MW DG set. and GEB supply. But, we running, only 1 DG set. when we done APFC/Power factor setting : 0.90, then winding temp. Low. but when setting done : 0.83, then Winding temp. increase. WHY Why ? ? ?, plz give me answer.

4 Answers  

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