what is the impedence

1 Answers   Al-Othman,

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can anibody tel me on what basis the transformer vector groups are determined????

1 Answers  

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What is Harmonic affects in power system. what is unit of harmonics and how to measure it. how much value should be in power system.

1 Answers  

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Is better to supply the voltage for static exciter from the auxiliary power source or from the SG terminals? And why?

0 Answers  

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1 ton aircondition(AC)consume how much watt?

6 Answers   Indus Towers,

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In Indian Household, generally we receive 220V AC single phase supply. But AC has 2 phases, +ve & -ve. So in +ve half cycle current is flowing...so what happens in the -ve half cycle?? Please illustrate.

0 Answers  

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what is meant by armature reaction?

13 Answers  

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why earth hole size is biggest in plug point?

22 Answers   Al Qabas, HCL, RRB,

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why breaker closing coil gets burnt if supply is continously provided to it.

1 Answers   TATA,

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motor is 12.5hp after starting few minets motot get hot? why?

5 Answers  

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Necessity of transformer earthing

1 Answers  

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why 3phase is 440v but where as we get phase voltage 220v,we have to get 220*3=660v.can u pleas give in detailed

3 Answers   Avantha Group,

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