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I think it is unlikely, except perhaps on the most common California area highway drives, that there will be more than one Model S charging at a time. And even less likely that the first one will have just started charging when you arrive, and even less likely that both of the two in front of you will require a full 45 min. charge from empty.What nobody's talking about is what happens when you get to the rest stop and find that there's already a car charging, and another waiting to charge. Now that 45-minute stop is suddenly two hours. And the drive of 7 hours in the Prius or 7 3/4 in an 85-kWh Model S becomes 9 hours.
Unless there's a reservation system, I'd be reluctant to make that drive on electric.
Then at my destination the hotel would have to offer overnight charging. I expect this to come, but not for a decade or more at the places I go.
Superchargers will become obsolete once the cars have enough range to drive all day. Then all they'll need is overnight charging at hotels and motels. This is my prediction for the future. And I think it will come before there are superchargers along my routes. A 500-mile car would need roughly 170 kWh. Assuming 10 hours at the hotel (supper, sleep, breakfast) you'd need a 17 kW charger. At 240 v., that's about 70 amps. Or basically the Roadster HPC. Hotels would need a few of those, which you'd reserve when you reserve your room. This will solve the problem of availability and the trip now will take no longer in an EV than in a stinker. Of course, you'd have to make your reservation early, to be sure of a charger slot, if you're traveling during the peak season. I could see the hotels in Revelstoke, B.C. installing HPCs before I could see the likelihood of a supercharger in Castlegar. And with the 300-mile Model S on the road today, 500 miles in a decade seems within the realm of possibility.
Yeah - but it would be nice if multiple chargers should share power.The Blink multi-plug CHAdeMO QC stations don't split the power, rather they take turns. So you plug in two Nissan LEAFs (for instance) and one QCs to target/full, then it automatically switches over to charging the other car.
If Tesla had multiple SuperCharger plugs they could do it either way (one at a time, or power split.)
At some point, I heard someone say something about "60kW+30kW instead of 90kW" but not sure what they were talking about.
Yeah - but it would be nice if multiple chargers should share power.
For example - let's say a site has 3 chargers which can do 100 kW max, but the site can only handle 200 kW.
With a all-or-nothing approach like the Blink setup, this means only 2 cars can charge at the same time. But, at high charge rates, the amount of power the battery can accept does not remain at the maximum for long. So 2 cars charging might both take 100 kW initially, but as their batteries fill up, the charge rate will ramp down. Allowing the 3rd station to start drawing the remainder of the available 200 kW will let the 3rd car finish sooner - and also be a bit nicer to the battery by lowering the average charge rate - and also be a bit nicer to the grid by smoothing out the load somewhat.
I think a setup like this will be a necessity in the future - if nothing else than providing additional plugs to help make sure other cars can charge because another vehicle is blocking a charger.
When did this thread turn serious? I thought all the jokes came here...
Supposedly Andromeda Power is able to build quick chargers that can do this...But, I gather the electronics in the charger to split power is a lot more complicated and expensive than just "round robin" rotation.
Three suggestions -
Disco Ball
Peanuts
Lap Dances