[Amps] Benefits of 3-phase power?

Steven Grant W4IIV stevengrant98 at yahoo.com
Fri Nov 21 10:04:40 EST 2003


There are 2 things here to know: Pro-higher frequencies means smaller transformers and smaller filters....Con-the higher the frequency, the more skin effect, and capacitive losses increase here
 
steven

"R.Measures" <r at somis.org> wrote:


>On Tue, 18 Nov 2003 23:50:33 -0500, wrote:
>
>>There is in some ways a genius in the 110/220 decision so many years ago. 
>
>_________________________________________________________
>
>Too bad they went with a relatively low frequency. 400 Hz is widely
>used in aircraft and has numerous advantages. 

*** But not for long-distance power transmission. 

>In fact, if they would
>go to ~1000 Hz, electrocution would become a thing of the past. The
>human nervous system can not sense an electric shock when the
>frequency is higher than 600-700 Hz or so. One could still get a
>nasty burn, but think how many lives would be saved.
>
>OT, to be sure.
>
>--
>Bill, W6WRT
>
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>
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STEVEN GRANT    W4IIV


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