My brother stopped by today.
That's awesome. SpC cabinets in.
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My brother stopped by today.
Apparently what I witnessed were said SpC cabinets (not xformers), soz! How do you owners deal with inquisitive, curious commonfolk who talk you up about your newfangled battery-powered sports car? I guess a 20-minute charge time gives ample opportunities to edgumucate!
Transformer is in! No meter but it's looking really close to being done.
Transformer is in! No meter but it's looking really close to being done.
Thanks for posting these clear photo's.
The first photo shows a green cabinet. On top of that green cabinet, in the center you see "ABB". That must be the Switerland based company that produces all kinds of charging applications for EV's. But maybe someone else knows more about it than I do. I could be mistaken.
Yes, but ABB (from ASEA and Brown Boveri) produces far more than EV stuff. It's a vaguely similar sort of company to GE, in terms of its business interests related to "electricity", and about half the size in terms of employees (150,000 vs 300,000).
Our businesses | ABB
They sell a lot of transformers: Transformers | ABB
A number of Supercharger installations I've noticed have had ABB transformers, but not all.
(I have no connection at all to ABB, I've just always been interested in electric traction; one of the things ABB produces is electric traction converters for trains.)
The transformers are usually supplied by the local utility, not Tesla. Notice the size is 300 kVA. This matches well the maximum power requirements for for two Gen II Supercharger Cabinets. The Gen II Supercharge Cabinets put out 135 kW DC max, but due to AC->DC conversion efficiency, need about 150 kW AC in to do that. Superchargers present nearly a resistive load to the grid, and have a load factor that is almost 1, so 2x150kW is a perfect match to a 300 kVA transformer.
Also interesting that the utility looks to have repurposed an old transformer. Many of the Supercharger installations look like they have received new transformers.Interesting.
Also interesting: they have clearly sized this for four charging stalls, with no room for expansion. Some of the Supercharger installations have space in the equipment "shed" and, presumably, oversized transformers, to allow for relatively easy later expansion.
Well, we might have chanced upon a reason for no expansion plans at that location. It may not be seen as ideal given the required 8-mile detour.
Hadn't thought of that, but that is logical routing for those using it the most. Still, no expansion plans. One can hope that changes.Actually, because you get off one exit and then on another, it adds only 4 miles or so additional to the route. It's still a long way off of I-15...
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