how to calculate short ckt current of trafo. ex.3-ph 3MVA trfo. 11/440, impdence voltage=7.25%

1 Answers  

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what is kvarh? Please difine it With calculation

3 Answers   GM General Motors,

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the winding of Gen and Motor is star or in delta ??? and why

1 Answers  

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For backup batteries connection,which method is best? series or parallel ?  

3 Answers   ABC,

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Will transformer heating be approximately the same for resistive, inductive or capacitive loads of the same VA rating? Explain.

1 Answers  

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how many types of Earth bits available

1 Answers  

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What is Residual Voltage & Residual Current?

4 Answers  

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conditions for parallel operation of dc generators

4 Answers  

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Whats the use of earth pits? and it will function? whats the natural earth value? How to improve ur earth resistance?

3 Answers   Anwar Ispat,

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what is circulating current in parallel transformer???plus how it is generated ???plz explain in detail.........

2 Answers  

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what is the benefit of floating our DC source? if i have two floating DC source of which 1 has a ref voltage of -21VDC and the other of -18VDC. can it be connected in parallel to share a common ref voltage? if not, how do i make both sources to be of common ref voltage? tks

0 Answers  

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Difference between ups

32 Answers   Emerson, Tata Power,

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