On 12/10/2015 02:03 AM, brucedp5 via EV wrote:
-connect to the L3, go shopping, etc. leaving your EV at the spot
until you are done. In other words, having so many L3 EVSE, complaints
of drivers not coming back to move their EV are reduced. Doesn't this
seem wasteful (over-kill on the host's L3 installation costs),
inconsiderate to other driver's needs, +more
Tesla SuperChargers share one charger with two connection sites. If
only one car is connected, it can get up to the maximum (120kw, as I
recall). If two cars are connected to one charger, the total supplied
is limited to the maximum. That is, neither car can get the maximum
while the other car is charging This keeps two clients nearly satisfied
at a cost of less than two chargers. I would suppose that EVGo has
done the same with their multiple head chargers. That is, the cost of a
four head installation is significantly less than four times the cost of
a single head installation. This topology reduces the need to have
clients disconnect as soon as possible after their charges are complete;
the charger can continue to supply it's full power to other clients.
Except in an unanticipated emergency, I have NEVER found a public L2
charge station of any use.
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