Answer / amankapoor122287

in data form

what is the 2MVA distribution transformer efficiency

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what is the Transformer Impedence?How can calculate?

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why zero sequence impedance measurement is not applicable for single phase GT

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why should be the frequency is 50 hz only why not others like 45, 95 56 or anything , why should we maintain the frequency constant if so why it is only 50

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What is the Surge suppresor? Why using in a UDB's and How it works?

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low voltage means how much voltage? extra low voltage means how much voltage? medium voltage means hos much voltage? high voltage means how much voltage? Ex: low voltage - 1volt to 240volt like this

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what is corona ?

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what is acceptance test in electrical engineering.

0 Answers   ABB,

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Help need in transformer !? Hello Friends The parameters of 2300/230 v 50hz t/f is R1=0.286 ohm R`2=0.319 ohm Rc=240 ohm X1=0.73 ohm X`2=0.73 ohm Xm=49.2 ohm Secondary Load impedance ZL=0.387+J0.29 solve the exact equivalent circuit with normal voltage across primery.. I know every thing but i cant find CURRENT I1=? and I`2=? Please help me give solution or only Formula please please...

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In electric motors, according to the no. of compartments, The no. of input's (pantagraph collector's) were increased, why?

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How Load Factor, Demand Factor, Diversity Factor etc best applied in designing an electrical circuit? Is it allowed to consider these factors in each and every panel in an electrical distribution system? Can any body suggest a good book for reference?

0 Answers   Oberoi,

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How can we define 'Phase'

4 Answers  

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