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| The largest motor would be the determining thing. Something to keep in mind is that every motor not pulled to full load will add power to the third phase. Just a wild guess would be 90 kva transformer, 400 amp service and 40 hp motor for idler. That may be way off. Kinda-sorta, a kva is a horsepower.
An elevator leg will do the job for a small fraction of the power requirement of the air system. | |
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Phase Converter Size?
