If you don’t have coal, salt and copper, then how would you earth your connection temporarily at a camp site.?

0 Answers   Bajaj,

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why firewall is build up between two transformer (220/11kv,50MVA)?what should be the firewall height?what is the clearance between firewall and transformer?

2 Answers   Siemens, Tous Stadt,

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i am getting to neutral earth voltage zero ,is this a perfect earthing ?

3 Answers  

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Please define ohm’s law for a.c (alternating current)?

0 Answers  

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how to find 5 kilo meter long under ground 33 kv cable fault location if IR VALUE shows 0.05 M ohm @5000 volt.and cable fault locator shows some time fault distance 3 kilo meter ,3.7 kilo meter and some time 1 kilo meter? now how to find the fault location that where is leakage.

1 Answers   FGI, OPS,

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what is the difference between multimeter and megger?

3 Answers   Bhel, Metro,

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Why do we require transformer with less specific weight if supply frequency is increased?

0 Answers  

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How to select a cable size according to load

1 Answers   Red Bull,

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whose the first invented AC voltage or DCvoltage

4 Answers  

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What is the RMS and DFT principle of analogue maesurments. Which way they are advangages. where which princples give optimum results.

0 Answers   ABB,

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if 20 hp motor starts directly stars and contenious run . what will be the effect.

11 Answers   HP, Ohsung Electronics,

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What happens when the field of an alternator connected to infinite bus is suddenly removed?

3 Answers  

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