transformer

I have an Oliver table saw that is world for 440V only. My shop has Delta 120/208 3 phase and I bought this transformer and plan to backfeed it ( step up) with my 220/230 to get as close to 440V as possible. It states that the connection is Dyn5. Is there any concerns I should be aware of...

Hi Guys, I was on Craigslist looking for a nice steel enclosure for the vfd that I hope to hook up to some of my metalworking machines. I lucked out, and found someone selling the right size metal hinged box (for only $20) that happened to house an unregulated DC power supply. The owner told...