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llama · 2nd Nov 2017, 4:37 pm

Several posts have expanded your concept so here's another step in that expansion.

I've got an article here from New Electronics Outlook 2017 extolling the virtues of USB-C which seems to be a high power variable voltage source. One quote: "AC wall sockets with the USB-C port embedded in them have started appearing. This represents the first high powered DC output from a wall socket". I think the load negotiates with the supply on the voltage to provide.

No idea if it will catch on but if so, when the chip-sets become priced at commodity levels, that off-grid idea could be built into outlets.

I've had a simpler scheme in mind for a while to keep my EEEPC and Jornada permanently on charge. It's an appropriate DC-DC converter to plug into a standard USB power outlet as frequently available on 13A twin socket plates. In the limit, the 13A socket can be done away with and the plate covered in USBs.
Graham

2nd Nov 2017, 4:37 pm	#9
llama Octode Join Date: Jun 2006 Location: St Osyth, Nr Clacton, Essex, UK. Posts: 1,482	Re: Sockets on a roll Several posts have expanded your concept so here's another step in that expansion. I've got an article here from New Electronics Outlook 2017 extolling the virtues of USB-C which seems to be a high power variable voltage source. One quote: "AC wall sockets with the USB-C port embedded in them have started appearing. This represents the first high powered DC output from a wall socket". I think the load negotiates with the supply on the voltage to provide. No idea if it will catch on but if so, when the chip-sets become priced at commodity levels, that off-grid idea could be built into outlets. I've had a simpler scheme in mind for a while to keep my EEEPC and Jornada permanently on charge. It's an appropriate DC-DC converter to plug into a standard USB power outlet as frequently available on 13A twin socket plates. In the limit, the 13A socket can be done away with and the plate covered in USBs. Graham __________________ Half my stuff is junk - trouble is, I don't know which half!