how vfd drives energy save

5 Answers   PowerTech,

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the current which flows during lightening is ac or dc,,,,,,,,,,, WHY

6 Answers  

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wts d diff b/w C.T. & P.T.?

9 Answers  

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What is the Difference between Power Swing and Out of Step?

1 Answers  

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wat are the transmission losses.... how can it be compensated....... wat s power system.......

1 Answers   NPC, NTPC, TCS,

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what is the formula to calculate the distance between one phase to another phase in single phase line and 3 phase line for different volt for example ; 33kv, 11kv ,22kv,230v

1 Answers   Suzlon,

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what you mean by frequency of an igbt& how to find it?

1 Answers  

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ALONG WITH MEGGER TEST FOR CHECKING OF MOTOR ,WHY WE MEASURE FOR RESISTANCE AND INDUCTANCE?

4 Answers   L&T,

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what is the function of RVT

4 Answers   RMSI,

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cable tray sizing & selection

1 Answers  

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1)which height building required lightning arrester? 2)how to calculate the requirement of lightning arrester? 3)what is the pro instrument? 5)how to test protective relay like overload?earth fault relay?

1 Answers  

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What is the accepted limit to increase the choosen transformer capacity over the load and why ?

1 Answers  

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