can we step up dc power using transformer?

15 Answers  

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why Current is lead 90 degree and voltage is lag 90 degree in a capacitor.? why Current is lag 90 degree and voltage is lead 90 degree in an inductor.?

0 Answers  

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why the earth pin is thicker than other pins in a plug? If it is for reducing resistance, then why the copper earth wire is not so thick as earth pin of socket?

5 Answers   Omax,

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Recently we had experienced following problem All RCCB breakers (connected to the load as well as spares) connected to various UPS systems at various floors at a high rise building tripped during a power break down and upon starting up of generator.This Generator is recently inducted into the installation. Can any one explain the reason behind this tripping. Regards Viswanathan

1 Answers  

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Is it possible to control the power in transmission lines by remote controlling method?? if yes explain in details???

1 Answers  

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what are the different types of transformers in present? which transformer is efficient?

1 Answers   TATA,

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what is the value of voltage & current lightning during rainy season.

0 Answers  

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for same rating of a transformer and induction motor which one will have higher magnetising current flowing?

2 Answers  

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A CT is marked as 10VA 0.2FS in its name plate. What is it? Where it is used?

1 Answers  

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Why lose 1 phase voltage in 33kv to 415v stepdown transformer

0 Answers  

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Why the generator rating in kva

32 Answers   CompuCom, DLF, Genpact, HNG, SIPM,

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tell me about eletrical contractor

0 Answers   TATA,

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