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Old 10-30-2017, 05:33 AM   #21 (permalink)
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Now that you mention it, we wouldn't be pumping in crazy amps to the car through a fat wire. We'd be pumping in crazy volts to the can and having the onboard charger convert it from mass volts to mass amps. It would have the shortest conductors reasonably possible after the charger, and there would be no loose connection or anything to worry about. And, since it's contained, it could run liquid cooling of some kind to said conductors, if necessary.

Not sure I'm comfortable with the idea of running 14kV to my car just yet though.

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Old 10-30-2017, 07:38 AM   #22 (permalink)
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Old 10-30-2017, 04:18 PM   #23 (permalink)
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Quote:
Originally Posted by thingstodo View Post
Someone successfully sued McDonalds for burning themselves , because their coffee was hotter than the coffee that other fast food places sell.
The person who successfully sued only asked to have medical bills covered. It was the judge who suggested additional punitive compensation.

The burns were much worse than most people would have suffered since it was an elderly woman with thin skin, but the coffee temperature was too hot, and there had been prior complaints concerning this.

Unfortunately humans aren't all rational, and things must be made to be relatively safe even when misused. The woman shouldn't have spilled coffee on her lap, but the coffee also shouldn't have been so hot. In the future, the woman likely won't spill coffee on her lap, and McDonalds won't serve it so hot.
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Old 10-30-2017, 11:51 PM   #24 (permalink)
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Quote:
Originally Posted by Stubby79 View Post
Not sure I'm comfortable with the idea of running 14kV to my car just yet though.
Used to work with an ex lineman who got crossways with something in that range. He managed pretty well with his artificial arm and leg.
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Old 10-31-2017, 08:40 AM   #25 (permalink)
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Originally Posted by California98Civic View Post
Anyone else starting to imagine drivers getting electrocuted to death while charging their cars? Anyone else starting to wonder if self-service charging might get regulated out of existence? Is there a hardware/software fail-safe to prevent injuries? (Not that gasoline is safe, of course!)
The plugs are not "live" until after they are plugged in, and the system has confirmed everything good to go.
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Old 10-31-2017, 09:06 AM   #26 (permalink)
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Quote:
Originally Posted by Stubby79 View Post
Now that you mention it, we wouldn't be pumping in crazy amps to the car through a fat wire. We'd be pumping in crazy volts to the can and having the onboard charger convert it from mass volts to mass amps. It would have the shortest conductors reasonably possible after the charger, and there would be no loose connection or anything to worry about. And, since it's contained, it could run liquid cooling of some kind to said conductors, if necessary.

Not sure I'm comfortable with the idea of running 14kV to my car just yet though.
Sounds incredibly inefficient, huge amounts of waste heat just to charge fast.

How to do it..... buck conversion or huge winding transformers? Yucch
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Old 10-31-2017, 10:08 AM   #27 (permalink)
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As far as I am aware the conversion is all solid state.

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