What are the various methods for effecive earthing in a factory in a rocky terrain, where soil resistivity is extraordinarily high? The usual method of 3 m deep earth pits is not serving the purpose.

4 Answers  

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if neutral earthing is weak of a system then how can we improve it ? Technically explanation ??

1 Answers   CS, L&T,

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what is the use of tertiary winding?

2 Answers  

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what type of cables exsisting in the world and how many types

9 Answers   Alstom,

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Difference between shunt, PMG and AREP excitation. Which is the most reliable between PMG and AREP.

0 Answers   ABB,

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Why Ac Systems Are Preferred Over Dc Systems?

0 Answers   ABB,

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What is nichols chart?

0 Answers  

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is the electrical energy photo copy possible or not???????????? give me some idea about that i m very great full tu u.

5 Answers  

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why we maintain 50hz ,220volts,20Amp,ratings fixed every where in india,,electricity

1 Answers  

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Which generation plant has instant start

2 Answers  

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what must be the mf for a meter with the following conditions. line ct ratio-100/1 line pt ratio- 220kv/110v meter pt ratio- 3X63.5V meter CT ratio- -/1 A

1 Answers  

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Explain RYB?

21 Answers  

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