this post was submitted on 02 Oct 2024
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The actual problem with painel solars, is that they require an existing infrastructure to sync with the AC grid but if that infrastructure fail, or just get out of sync, it could trigger every painel solar fail safe making the damage 10x worse especially if the infrastructure depends on the solar panels to supply most of the energy
This is a solved problem.
DC-AC conversion is pretty well understood, as is electrical protection, grid frequency matching inverters are available "off the shelf" for small units and are made to order in the MW range.
In NZ we have a DC link between the islands, there have been equipment failures over the years disabling the link, but grid frequency events are not an issue. The link has been in place for almost 60 years.
Also the distributed nature of generation makes cascade failure extremely unlikely. If you have an issue in one solar farm; another solar farm a few km away is extremely unlikely to have the same issue.