this post was submitted on 26 Aug 2024
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240 in the neighborhood - i.e., that's enough to distribute from the pole to a few houses. Of course you have higher voltages to go longer distances. This is equally true for AC vs DC. Thus, the idea that it takes a looot of copper for DC is erroneous.
In fact, where conductor size is relevant is that you can use smaller conductors for DC, because of the skin effect.
Wiring: Split phase, that is also usable as 240 for large appliances. So, the latter.
Skin effect with 50hz yea, no not much.
Ok so every time you change the voltage level you still need a transformer and a inverter to create ac, so no it doesnt make any sense.