what is auto transformer

3 Answers   IBM,

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What is it mean Transformer 100/133MVA Power Transformer, significance of 100/133 MVA and 230/115KV please

3 Answers  

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please send me privious exam's queation papers of section engineer(electrical).

0 Answers   RRB,

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In TNC switch, is there any 1NO+1NC block ? and if we move over closing position, is ther any affect on trip position or vice versa?

0 Answers  

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In 3 phase induction motor 1hp current rating is 1.5 amps constant ? is correct or not ?

4 Answers   TATA,

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How to size the Neutral grounding resistor?

1 Answers  

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we want to feed 3 phase supply to 70 ton AC load.what will be the size of (3 phase)cable require.

2 Answers   BSES,

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how does relay works?

16 Answers  

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why there is a temperature rise at different metal to metal contact at cable lug??suppose cable is aluminium and the lug is copper,than why the temperature rise takes place??

2 Answers   JK Cement,

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The 3 phase Delta connection RB=440V, BY=350V,.......* is Line to Line voltage RY= ? And Formula....?

0 Answers  

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Generally transformers has delta primary and star secondary. But in some transformer i saw Star primary and delta secondary. what is the reason for chosing like this?

2 Answers  

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what is the function of bearing in dc mchine" and where it is placed

0 Answers  

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