we know that dc motors are more superior then three phase induction motors in torque generation though they are not much used in industries why?

5 Answers   Essar, L&T,

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we have 2.2kw,Y,3000rpm motor but 6leads found in TB what happen if we connect in delta?

0 Answers  

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what is slip ring startor

1 Answers  

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Why hydropower stations are preferred solution for meeting peak loads in grids?

0 Answers  

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fuel-air ratio in a petrol engine fitted with suction carburettor,operating with dirty air filter as compared to clean filter will be

0 Answers   NIC,

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i(1)= j0.5 p.u., i(2)= -j0.5 p.u., i(0) =j1 p.u. What kind of fault it is-- a)l-l ,b)l-l-g, c)l-l-l-g, d)l-g.

2 Answers   Areva,

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give single line diagram of D.G distribution form alternator to main L.T panel?

0 Answers  

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Why the underground cables will Punchar? or what is the reason to burst the underground cables?

1 Answers  

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definition of fault level in powersystems?

4 Answers  

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i need previous entrence exam papers of nhpc.

0 Answers  

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A three phase load, around 4 km away from the 11/0.433KV distribution transformer (Neutral of Transformer is solidily earthed) and consisting of mainly very costly and sensitive electronic equipments is giving trouble due to high voltage difference between neutral and body earth. Whether this problem can addressed by connecting neutral at the load point solidly to earth?

3 Answers  

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what is use of mccb.

1 Answers   Simplex,

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