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Technology Stocks : Energy Conversion Devices -- Ignore unavailable to you. Want to Upgrade?

To: muzosi who wrote (8276)	9/9/2007 5:44:04 PM
From: Lazarus_Long	Respond to of 8393

the only reason there is any calculation is resistance of the wire. I'd agree with that. The assumption was simply to simplify calculation. If we had room-temperature superconductors, a .0001 inch diameter wire would be adequate. The AWG is basically intended to allow thw user to pick a conductor size that won't result in a fire. The smaller the wire, the higher the resistance and the higher the energy loss. Put enough current through it and bad things happen. :-) i used the calculator at the end of the page for "copper, 4ooo awg, 240 1/phase, 10 feet one way, 2KA" and the results are 2.015V drop at 211600 circular mills or 0.1662 inch square at less than 1% voltage drop. And that allows you to transfer 52 kwh energy in under 6 minutes because? I see a mistake in my calc. 6 minutes = 420 seconds since when?