what is the differance beetwen installation and errection ?

1 Answers  

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What is the function of Lightning Arrester & Wavetrap in Power system ??

18 Answers   ABB, Bhel, Energy Infratech, Infosys, NTPC,

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In Induction machines which type of emf is induced ( statically or dynamically)?

1 Answers  

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What is GIS (Gas Insulated Switchgear)

3 Answers   Power Grid,

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Safety of on line ups

0 Answers   Bhushan Power Steel, GE,

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Please describe HT and LT?

1 Answers  

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Basic philosophy of applying 3P tripping for uptill 132KV switchyards & for 132KV & above 1P/3P tripping is used.

1 Answers   L&T,

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How can we parallel two transformer with vector gorup YNd11 and YNd1?How is connection two transformer GT?

3 Answers  

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can we amplify dc signals.how can it be done

4 Answers  

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In Generator How suction compression power and exhaust works ?

0 Answers   Sify,

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What is the rating of your substation and what are the different types of substations?

5 Answers   Bhel, NTPC, UPPCL,

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Why does the DC voltage needed is less than AC needed to produce corona?

2 Answers   TATA,

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