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Re: Wireless transmission of power,

Original poster: "Malcolm Watts" <m.j.watts@xxxxxxxxxxxx>

On 17 Mar 2005, at 16:30, Tesla list wrote:

> Original poster: Yurtle Turtle <yurtle_t@xxxxxxxxx>
> Actually, we are involved in a multistate lawsuit
> involving several hydroelectric providers over the
> value of water in a lake to energy providers. I don't
> remember the exact efficiency numbers, as I'm not in
> the office today, but I assure you, it's significantly
> higher than 10%. In fact, my former boss was involved
> in a project which used excess electricity to pump
> water into a reservoir to store "energy" then used it
> to power turbines when they needed to generate
> electricity. So they used hydropower to generate
> electricity, which powered pumps, which then again
> powered generators. This makes absolutely no sense if
> you are losing 90% each iteration.
> Adam

Power companies in NZ have noted a problem which this strategy could
easily deal with, albeit inefficiently as you note. With an
increasing supply of wind generation and the variability of wind it
is becoming difficult to regulate the grid properly. A hydro dam is
effectively a capacitor.


> --- Tesla list <tesla@xxxxxxxxxx> wrote:
> > Original poster: TCBal@xxxxxxx
> >
> <snip>
> We are probably able
> > to use only around about 10% of the energy
> > manufactured, if that. That is
> > why it is an economy of scale type of thing. The
> > backwoods are still not
> > fully with civilization. Anon
> >
> >
> >