why middle phase should used for earth fault and other phases used for over current in overcurrent and earth fault relay?

7 Answers   ABB, ONGC,

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What is the method to calculate the capacitor bank rating for say 50 KW load and how do we connect each capacitor to busbar??

4 Answers  

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How delta connection in the primary of distribution transformer reduces harmonics?how delta connections reduces harmonics?Please answer me...Hope that question is correct.

0 Answers  

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What is meant by "tampering detection" of a electrical energy meter?

3 Answers  

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how to calculate the mesh earth network resistance in such substation, is there any recommended resistance values with references , thanks!

0 Answers   SRES,

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what is XLPE type cable

8 Answers   Areva,

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How to calculate VCB current rating for 2000 KVA transformer

1 Answers   Yamuna Power and Infrastructure Ltd,

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Why Ac Systems Are Preferred Over Dc Systems?

0 Answers   ABB,

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How does an induction motor start?

0 Answers   Ericsson,

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why do we generate sinusoidal ac?can we generate some other waveforms by alternators?

11 Answers   Siemens,

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why normally Generator rating are between 11Kv to 22Kv?

2 Answers   IFFCO,

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why the power cut problems occur in tamil nadu? may i know the exact reason.plz

17 Answers  

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