what is the difference between ac ground and dc ground.. In my project iam using both ac and dc supply.. can both the grounds or the return paths be connected??

1 Answers  

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when will cause the negative sequence falut in electrical system?

2 Answers   Schneider,

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What is YNyn Transformer? and what are the other types in this?

3 Answers  

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

3 Answers  

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I have a 600VA numeriv digital UPS for computer only. It holds for 15 minutes only. but i am try to using home CFL Light I cant using UPS 2 or 3 secound automatic off .but computer ok how to change this is in to ups ?

1 Answers  

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how many units consumed by a 33/440 2000 kava transformer in a day

3 Answers   Infosys, MRF,

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we have 350 kva capcitor bank which is not showing KW. dose capacitor shows kW OR not.

2 Answers  

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What is the function of induction motor when low voltage is apply.

6 Answers  

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what is basically a pulse transformer?

1 Answers  

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I AM GOING TO ATTEND APTRANSCO ON 26TH OCT 08.PLEASE SEND ME ANY MATERIAL OR TYPE OF QUESTIONS OR EXP QUESTIONS.

0 Answers   Power Grid,

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wht factor are considered to design ACB( air Circuit reaker) 415V

3 Answers  

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What are the typical values of characteristic impedences of overhead line and underground cabel? Why there is so much variation?

1 Answers  

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