Re: low-cost 1800-amp heating source

In article <1186051114.323871.196610@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>,
Winfield <winfieldhill@xxxxxxxxx> wrote:


Actually, why can't the two transformer primary windings be
in parallel? That'd reduce the copper resistance. And
L(leak) for that matter, right? Editing Tony's drawing:

AC high + Pri - Load current
--+-----------////////-------+--->---,
| T1 ======== | |
| DC --+---////////---, | |(
| | + Sec - | | |( L(leak)
| +_|_ | | |(
| --- | | |
| | + Sec - | | / Win's Load.
| DC --+---////////---' | \ Rload
| T2 ======== | /
'-----------////////-------' |
+ Pri - AC low


The Lleak in my sketch is to allow for the possible
leakage inductance in your transformer Win.
It could be significant.

--
Tony Williams.
.

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