why we can not use dc in our country( INDIA)

5 Answers  

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Active power= VI COS FI But incase of leading power factor ( more than unity), may we use other formula ? because the cos fi (value of cos thita) should not be grater than one.

2 Answers  

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power transmission pole used one support , that only for support or earthing

0 Answers  

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3 phase =440v single phase = 230v 2 phase =?

8 Answers   Accenture,

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what is the difference between scaler and vector control in drive and where it is to be used ?

1 Answers   Essar, TCS,

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How work of capacitor in dc supply...???

0 Answers  

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Briefly describe your ideal job?

0 Answers   L&T, LPGCL, ONGC,

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can any one suggest websites having study maetrials for the electrical students?

1 Answers  

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lightning arrester rating selection procedure: (line to line voltage(kV)/(squ.root of 3))*squ.root of 2. now the question is, IS this above formula correct for both STAR and DELTA connected system???

1 Answers  

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how a vibration switch's high signal will going to trip the motor? can u explain with some examplesand wiring diagrams?

1 Answers   Bhel, Wartsila,

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what is resistor

9 Answers  

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why Square root 3 used for three phase?

2 Answers  

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