Why the transformers making noise?

2 Answers   L&T,

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Difference between directional over current and non directional over current ?

2 Answers  

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what happen if we supply ac to the field of a alternator?

5 Answers  

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What will happen if we on 200kvr capacitor bank(11kv in bus)If there is low load on transformer (1.5 mva 33/11 kv)

0 Answers  

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why distribution transformer is uesd in Delta/Star formation?is there any significance in doing this?If yes then breif?

3 Answers  

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Why is water motor not taking the pressure? what is the problem?

0 Answers  

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The ratio of white balls and black balls is 1:2. If 9 gray balls is added it becomes 2:4:3. Then what is number of black balls ?

3 Answers   CTS,

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at which voltage level arcing ground is occurs ??????????

0 Answers   TATA,

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why we ground the scondary of current transformer.

4 Answers  

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cleat wiring system is used at

2 Answers  

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Why all voltage level are multiples of 11, like 220V, 440V, 1100V instead of 200V, 400V, 1000V?

9 Answers   Indian School of Mines,

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what is the power factor

13 Answers   Heidelberge Cement,

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