On 20 December 2012 00:55, Manfred Mornhinweg <manfred@ludens.cl>
wrote:> About two years ago I was contacted by an Italian ham, who
wanted my advice
> about how to wind a three phase high voltage power transformer for his amp.
> He reported that he was running 45kW, and that lacking an actual 3-phase
> connection, he was using one phase out of each of two neighboring homes
> (good neighbors!), and his own phase.
Yes, very good neighbors!
I'm lucky in having a 3-phase supply to my house - unusual in a
domestic property, but the house used to have night storage heaters,
which use a lot of power if you have enough of them.
But even with my 3-phase supply, I could not run some of the powers
being talked of here.
I imagine if you had enough lead-acid batteries, you could run the
linear from them, but charge them up when not using the linear. That
way the peak current consumption would be reduced. An expensive way,
and would making working on the HT supply even more dangerous than
usual!
Dave, G8WRB
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