I have a question regarding the use of 3-phase power. I noticed an
electric pottery kiln the other day that used 3-phase power. It was
about a 6 kw model. As I understand it, electric kilns are resistance
loads, just like a toaster oven.
I had always thought that 3-phase power was an advantage only for
induction loads, and had no advantage over single-phase for resistance
loads. Is that correct? If so, what would the advantage be for a
3-phase kiln such as those shown at
http://www.skutt.com/products/elec_req.htm
?
Thanks for any enlightenment.
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