Answer / srajan

The insulation of transformer winding is tested with megger..it is tested as insulation of lv to earth , hv to earth and hv to lv..it is commonly known as IR testing..its value will be different according to weather..changes drastically in monsoon..

How to calculate per unit impedance of transformer?

0 Answers  

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how to claculate earth strip size for 1500kVA transformer for neutral and body

4 Answers  

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What is the difference between Neutral and Eatrh?

8 Answers  

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how can you prove that in CE configuration a transistor has 180 degree phase shifted output

5 Answers   Bhel,

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

2 Answers   Asec,

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why air handling unit interloking in case of fire

3 Answers  

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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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How is Grounding or Earthing achieved in Planes and Automobiles?

3 Answers   ABC,

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In our domestic single phase line if you don't have a ground connection (earthing)how will you separately use earth in a specific power supply board.

1 Answers  

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can we use existing 6300V alternator for generating 6600V by increasing excitation,what are advantages & disadvantages to alternator & motors of 6600V.

1 Answers   GMR,

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What is 100% protection of generator? Why 100% is not used but 95% is generally used?

0 Answers  

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what is first pole to clear factor

1 Answers  

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