why do transformer humm ??????????

2 Answers  

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what is difference between earth and ground?/

3 Answers   Sree Rayalseema Green Energy Limited SRGEL,

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How impulse levels are calculated that for 11kV impulse is 75kvp, for 24kV impulse is 125kvp ?

0 Answers   L&T,

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i am working in automation feild my question is that how to find the KVA of transformer.

3 Answers  

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What is meant by short-pitched winding?

0 Answers  

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what are the types used for alternator earthing,what will happen if more than two alternator is working in parallel with each having own system earthing.is there any possibility for circulating current in between two system.

3 Answers   BEL,

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In aerodynamic turbines which element is NOT there a.stator b.compressor c. Fuel intake system d.fans

0 Answers  

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why field rhoestat is kept in minimum position while armature rheostat at maximun position?

3 Answers  

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why the neutral point in connnection oscillates?

0 Answers   Avalon,

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Generally we denote power in 'p',voltage in 'v'but why can't we denote current in 'c' instead of I.

4 Answers   Bhel,

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what is the function of 1 phase preventer?

3 Answers   ABB, Electrical,

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if the magnetic lines can pass through a vaccuum area

0 Answers  

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