what is meant by impedance testing of transformer and why it is used

1 Answers   TATA,

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why should small green grass ans small plant should not be there inside the transformer Yard in the factories

0 Answers   Riddhi Siddhi,

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what is earthing transformer? draw the winding dia.of earthing transformer.

0 Answers  

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what is the RMU and RMU system in sub-station(11kv,66kv.....)

2 Answers   Alstom, Torrent Power,

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what is the range of using dol starter & star delta starter.

10 Answers  

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what is different between IP55,IP54 and IP66?

2 Answers   ABB, Global Industries,

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The potential difference between a phase and neutral is 230v , but the potential difference between two phases is 400v. why?

4 Answers   HCL,

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What happened when voltage will half value of current ...

0 Answers   SCL,

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at what rate the micro controller increment its timer....is it 1micro seconds or 1/(12*10^6) seconds

0 Answers  

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On the transformer breather at what length should i change my sililca gel.

4 Answers  

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what is the difference between phase and neutral?

3 Answers   IAF, Indian Airlines,

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advantage of using 110v than 230v

1 Answers   NTPC,

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