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I don't know if they do this but they are capable of measuring voltage. This is useful for suppliers to know because it can be early indication of faults. For instance if you have a problem out on your 3phase in the street (neutral failure) it can in instances result in yours/your neighbours load affecting each other’s supplies. Its possible if you draw a huge amount and your neighbours less so to fry everything in their house as they end up getting 400v+. Again, no idea if this is sent/acted upon but its a good way to automatically fault find.
On that note above, since smart meters have the ability to disconnect then its possible there could be a safety feature that allows automatic disconnection if incoming voltage is too high. Again speculation but something that is technically possible.
On that note above, since smart meters have the ability to disconnect then its possible there could be a safety feature that allows automatic disconnection if incoming voltage is too high. Again speculation but something that is technically possible.