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Thread: A Single-Phase Output VFD - Wow!
03-26-2007, 10:07 PM #1
Single phase output VFD. Expensive, yes.
I suspect it is a 2 phase 90deg phase angle, like the old 2 phase here in Buffalo. Probably has seperate connections to the start and run windings.
Not real practical, but I was surprised that they do exist, at least commercialy.
03-26-2007, 10:51 PM #2
"Not real practical, but I was surprised that they do exist, at least commercialy."
Cheaper, and better, to buy a three-phase motor and matching drive.
03-29-2007, 03:43 AM #3
Not 2 phase, that is something completely different. The output is single phase, but not very practical for machine tools. See my brief explanation in this thread; http://www.practicalmachinist.com/ub...ic/3/2247.html