From: cr88192@gmail.com   
      
   On 9/26/2025 6:35 PM, MitchAlsup wrote:   
   >   
   > BGB  posted:   
   > --------------------snip----------------------------------   
   >> Higher voltage would be needed with DC vs AC, as DC is more subject to   
   >> resistive losses. Though, more efficiency on the AC side would be   
   >> possible by increasing line frequency, say, using 240Hz rather than   
   >> 60Hz; but don't want to push the frequency too high as then the wires   
   >> would start working like antennas and radiating the power into space.   
   >   
   > The military routinely uses 400 Hz to reduce the weight of transformers.   
      
   OK, so it makes sense then...   
      
   I guessed 240Hz as it could likely be enough to usefully boost   
   efficiency, but not so high as to cause significant leakage from the   
   building's electrical system.   
      
   Something like 400 or 480Hz should also work.   
      
      
   Moving too far into kHz territory is likely to result in significant   
   leakage.   
      
   Though, looking into it, would likely have to get pretty high into the   
   kHz range before a buildings' power distribution system starts radiating   
   most of the power into the environment (with most of the sub-kHz   
   territory likely being pretty safe here).   
      
   ...   
      
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