solar energy light efficiency & disadvantages?

0 Answers  

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How can i check a relay good or not?

2 Answers  

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difference b/w eath and neutral

10 Answers   ABB,

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Operation carried out in thermal power stations?

0 Answers  

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what are the maximum available current, voltage ratings and switching speeds of the power electronic devices thyristor, power mosfet, igbt, and mct?

0 Answers  

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How to design harmonic filter at the project stage without nowing the harmonics levels

0 Answers  

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IN Electric train which type of motor is used,for what reason they uses?

3 Answers   L&T,

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two or more transformer are working in parallal,one is out of order,what are you doing?

7 Answers   wbsedcl,

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In India the supply voltage is 230 volt A.C. During the negative half cycle phase becomes neutral and neutral become phase? or what will happen during negative half cycle? how the electrons flow during positive and negative half cycle?

0 Answers   ITI,

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why are the a.c.series motors preferred for electric traction

4 Answers  

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How to find the maximum load that can supply by a particular(say 315kva) KVA rated transformer?

2 Answers   ME,

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how to calculate the mesh earth network resistance in such substation, is there any recommended resistance values with references , thanks!

0 Answers   SRES,

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