What are the typical values of characteristic impedences of overhead line and underground cabel? Why there is so much variation?

1 Answers  

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What is gain margin?

0 Answers  

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Please brief me about number of pole in alternator.In single phase alternator coils are connected in star or series. How to calculate frequency for the same.

0 Answers  

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How the line trap works in substation...?

2 Answers  

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IF avr is voltage regulator of genset means why we are giving genset CT sense to AVR ?

3 Answers   ABB,

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Is there any reason that we get shock on touching phase wire because the earth is at neutral potential? Is there any reason that the earth is at neutral potential because the neutral is earthed in apower station

0 Answers  

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what is diff between Ground/Earth & Neutral?

4 Answers  

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how to Select its CORE in electrical cables based on its applications? or Application of various types of electrical cable based on it CORE?

0 Answers  

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difference between dol and rdol startors?

2 Answers   Vijai Electricals,

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without name plate detail of blower how we can find out the HP & Rpm ? the input voltage is 230v single phase

1 Answers  

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What is core balancing in Power Transformer. What is the affect of an unbalabce core.

1 Answers  

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what is the capital of india

13 Answers   eInfochips, Reliance,

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