What is the function of Lightning Arrester & Wavetrap in Power system ??

18 Answers   ABB, Bhel, Energy Infratech, Infosys, NTPC,

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List of equipments required foe industrial repair lab.

0 Answers  

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what is mean by hvdc transmission technology .what is principle of hvdc transmission and technic of hvddc transmission .

1 Answers  

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lightning current is ac or dc..?????

7 Answers  

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In distribution transformers, fuse wires are very thin when compared to conductor size. How it's possible?

4 Answers  

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how to calculate insulation level of transformer?

0 Answers  

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although ckt breakers have taken the place of old fuse. But instead of it , these older ones are still used in the industries and homes ? why .... what are their advantages and disadvantages ? which one is leading and winning the race and competition ?

0 Answers  

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How to identify 3 phases of 3 phase supply irrespective of there color????

1 Answers  

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in india single phase is 230v and three phase is 440v but in other countries single phase is 110v and three phase is 380v why..?

2 Answers  

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what are the sample questions asking to the test cunducting for electrical superwising lisence test?

0 Answers   APTransco,

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what is the difference between arc and spark

2 Answers   ABB, Jindal,

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What is the thumb rule for calculating the P.F correction Capacitor?? Say for 100 hp motor how much micro farad Capacitor is needed .... Thumb rule so quick answer wanted

9 Answers   Bhel, Dubai Group,

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