ORIGINAL MESSAGE:
On Sun, 06 Dec 2009 15:33:21 +0000, "K1TTT" <K1TTT@ARRL.NET> wrote:
>Well, actually you could make some argument that running on 120v instead of
>240v increases the I^2R losses in both the transformer and power line to the
>amp. But I doubt that you would notice that in your electric bill without
>careful testing.
REPLY:
Thanks for posting that, Dave, you beat me to it.
Those guys on 40 meters are right. Other things being equal, for a given power
output, running anything off 240 volts is more efficient than running it off
120, due to I-squared-R losses in the AC line. Whether or not that's what they
had in mind is not known, but their conclusion was and is correct.
73, Bill W6WRT
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