Sunday, June 5, 2011

CrazyEngineers Forum - Electrical & Electronics Engineering

CrazyEngineers Forum - Electrical & Electronics Engineering


Differences b/w Power Supplies

Posted: 04 Jun 2011 04:09 AM PDT

Electricity Board supplies electricity, here as 220V and 11kV. The later is again decreased to 220V and then used. My question is what is the need for 11kV supply. I know that they are used in commercial complexes and industries, but why not just 220V?
(I'm talking about only 2-phase).
Another question: What is the maximum current that i can draw from these supplies? On what does it depend?

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