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  • qjkxbmwvz@startrek.websitetoScience Memes@mander.xyzi need sleep
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    7 days ago

    High frequency is generally bad for transmission line losses, so getting power from A to B is better at lower frequency — DC is a great option here.

    If we switched to DC, many things would still flicker though as they would presumably use switching power supplies, but those could be relatively high frequency like you said.

    Interestingly, airplanes use 400Hz, as transmission over distance doesn’t matter, and transformers can be made much smaller/lighter.