Re: industrial buffer help
For motors: scrap yards, junk yards, eBay,(although the shipping can kill you),old window air conditioner units. 3/4 and up single phase motors are generally more expensive than old 3 phase motors. If you have 3 phase power by all means use it. I see 3 phase motors all the time in scrap yards for 25 dollars or less, sometimes a lot less.
Richard
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