What is different between Difnit time and instatous over current relay

0 Answers   NCC,

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what is the formula to calculate the distance between one phase to another phase in single phase line and 3 phase line for different volt for example ; 33kv, 11kv ,22kv,230v

1 Answers   Suzlon,

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Why the stator is rotated in ceiling fans not Rator?

3 Answers  

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what is the reactive power what is the use of it in system

0 Answers   L&T,

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can wind-turbine effect on rain or on cloud's

1 Answers  

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hi sir i have load of 17.5kw in 3 phase lighting circuit which mcb i can use

3 Answers  

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how power trnafor from 1 point to another point in bus bar ya transmission line( voltage trnasfer from 1 point to another poin)

0 Answers   Suzlon,

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Load 380kva eb 415v,load amps 350.Same load dg 415v,load amps 420 what reason ?

1 Answers   AVT Natural Products,

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how to select automotive wire by mathematical equation with given current, vlotage and resistance

0 Answers   Tyco,

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Is Indian railway uses 25000v ac or dc?

7 Answers  

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1.two coupled coils with L1=L2=0.6 H have a coupling coefficient of k=0.8 the turns ratio N1/N2 is......

5 Answers   BSNL, SSC,

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what is corona effect

3 Answers  

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