On Wed, Feb 7, 2018 at 2:30 PM, Robert Bruninga via EV
<ev@lists.evdl.org> wrote:
> I wonder how big a flywheel is needed to store the energy to charge a 250
> mile range in 20 minutes?
> Since it is fixed, and does not have to be in a vehicle, it might be the
> answer to large charging stations.
>
> When ten TESLAs pull up at ten fast charge cords at the same time, that is
> over a megawatt of needed power... in 20 minutes...

That application doesn't capitalize on the flywheel's ultrafast
charging and discharging abilities.
And smoothing can be done by modulating the teslas' charging rates.

But hey, who knows.  See
https://scholar.google.com/scholar?as_ylo=2014&q=flywheel&hl=de&as_sdt=2005&sciodt=0,5&cites=16378509166563059026&scipsc=1
for recent related papers.
- Dan
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