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Re: Wireless power transmission

Original poster: "Jim Lux" <jimlux@xxxxxxxxxxxxx>



> Original poster: Mddeming@xxxxxxx
>
> Original poster: "Paul B. Brodie" <pbbrodie@xxxxxxxxxxxxx>
>
> Malcolm,
> Yes, it is hard to imagine the environmental impact of transmitting all
the
> worlds electrical power through the earth!!!
> Paul Brodie
>
> ----- Original Message -----
>
> Hi All,
>
> Uhhh, don't almost all of the electrical power systems on earth already
> return through the ground w/o much environmental impact?
>
> Matt D.

Nope.. most of the return current goes through the wires.  Power systems use
ground return as a backup in HVDC links, but it's not the preferred
technique (corrosion, safety, etc.)

However, the total electrical power flow due to atmospheric electricity
dwarfs the commercial power grid flow.