Whet is IGBT.How it teste

2 Answers  

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Why Indian Electricity frequency desined 50 Cycles as developed countrys are using high frequency with low voltage

1 Answers  

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Generally transformers has delta primary and star secondary. But in some transformer i saw Star primary and delta secondary. what is the reason for chosing like this?

2 Answers  

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what kind of quetions will ask in BHEL in interview? Plz help me?

0 Answers   Bhel,

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hi Is there any possibilities to find out the rotation of a shaft or something else by using electromagnectic waves or by IR rays.If s then can v change the dir., of rotation of the same by remotely?& how? plz dn't any1 say "NO r CAN'T"

0 Answers  

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How can we have to decided motor connection as a STAR-DELTA or DELTA-STAR?

3 Answers   IOCL, Jindal,

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in pf lagging means current decrease by increasing voltage is correct or not ? reason ?

3 Answers  

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why do you want leave the company

2 Answers  

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what isthe emf eqation of a transformer

7 Answers  

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What are the Safety measures in central chiller plant? Explain them?

22 Answers   Carrier, CPIC, HSL, JLL,

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at high temperature conductivity increases for conductor what will happen for long transmission when temperature is high?

1 Answers  

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how does a liquid starter reduce the starting currents?

0 Answers  

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