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2217Re: [solectria_ev] Power storage device.

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  • Nick Austin
    Oct 17, 2006
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      On Tue, Oct 17, 2006 at 07:40:08AM -0400, umarc wrote:
      > On Tue, 17 Oct 2006, laminar1314 wrote:
      >
      > > Specifications: 1 cubic foot, 300 pounds, 52kWh, 3500volts, 1000000
      > > charge cycles without degradation, 4 to 6 minute charge time, 0.1% per
      > > day autodischarge rate, $2500-3500, all ceramic non-toxic materials with
      > > nickle conductors.
      >
      > 52 kWh in 5 minutes is 624 kilowatts. That's 2,836 amperes at 220 volts:
      > not something to try at home.

      At 3500 volts you only need 178 amps.

      (3500v == Nominal voltage of EEStor caps.)
      Dump charging is clearly the solution to sourcing ~630Kw.

      Most of the time, you would be fine with an overnight charge anyways.
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