why the transformer is not operates on two phase?

1 Answers   APGenco, Atkins, FFBL,

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why neutral and earth should not be connected on 3 phase 440v/50c/s supply at consumer side. where as on 25kv/ac/50c/s railway traction substation neutral and earth will be connected and track at substation. and track will act as neutral and earth. Reasons for this is needed urgently

4 Answers  

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what is idmt relay

1 Answers  

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a induction motar has 30-35% exciting current at no load but in transformer it is only 2-3% ofbrated current why any reason?

1 Answers   century,

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Difference between divercity and power factor

1 Answers  

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What is pd controller?

0 Answers  

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why current increases when voltage decreases in ac system

10 Answers  

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what is the principle of operation of tungstun bulb ??

2 Answers   IOCL,

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how to check the insulation for motor using megger?

2 Answers   GSK,

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errection check list for transformer maintenance

0 Answers   RRB,

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what is formula of dc current and resistance.

2 Answers  

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what is a relay?

31 Answers  

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