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With self-install solar panels, and a €150 plug-in adapter that feeds power directly into electricity sockets; a DIY home power system is becoming popular in Europe. (www.theverge.com)

submitted 3 months ago by Lugh@futurology.today to c/futurology@futurology.today

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[–] Barbarian@sh.itjust.works 7 points 3 months ago (2 children)

From the article, it says it automatically shuts down if it detects a full power outage for exactly that reason

[–] Dabundis@lemmy.world 5 points 3 months ago (1 children)

Yeah, legally that's what it needs to do at that point in the system. if you want a solar system to be energized during an outage, you have to have what's called a "Grid-forming" inverter (as opposed to grid-following) and it would likely need to connect up at the utility connection point

[–] Hugin@lemmy.world 5 points 3 months ago

Grid forming inverters are for solar generating plants. They are allowed to start up an unenergized grid. At that level they are a part of the utility grid.

For homes to run of of solar when the grid is down you need to do islanding. This is a seperate beaker box feed directly by the solar and battery. This allows the house or a portion of it to stayed powered without putting power back to the grid and endangering any linemen working on the grid.

[–] CanadaPlus@lemmy.sdf.org 1 points 3 months ago

I'm really curious how it can tell what's being drawn in a fool-proof way, without actually putting energy out.