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Old 12-18-2015, 04:05 AM   #1
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Call the manufacturer of the compressor, and see if they offer a single phase motor that can swap directly in.

The other option is a 'variable frequency drive', but converting single to three phase you need to oversize the VFD by 100%. (ex 1hp single phase motor would require a 2hp VFD) ABB ACH550 UH 04A6 2 AC HVAC Drive 4 6 Amp 3 Phase 0 500Hz | eBay

Also, you will be limited to 208v motor, so if you have a 480v 3phase motor you are out of luck.
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Old 12-18-2015, 04:41 AM   #2
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I agree with alm001.

The easiest way to exchange them motor for a single phase.

Otherwise you will need a phase converter. You can make one yourself. Do a search on the interwebs, I'm sure there are plans freely available.

https://www.youtube.com/watch?v=Vm7sgy1JR1s
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Old 12-18-2015, 06:59 AM   #3
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Quote:
Originally Posted by emore93 View Post
I agree with alm001.

The easiest way to exchange them motor for a single phase.

Otherwise you will need a phase converter. You can make one yourself. Do a search on the interwebs, I'm sure there are plans freely available.

https://www.youtube.com/watch?v=Vm7sgy1JR1s
yes, exchange is the best way

Buildings one would cost the same as the motor or more as a DIY one is basically a motor being used as a generator
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Old 12-18-2015, 08:51 AM   #4
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I'm in the same boat with my 550v three phase lathe. Not interested in ponying up the cash to bring three phase to the garage. Looking into rewiring the motor for 240 with phase converter or stripping it out and redoing the whole thing for 240v single phase. No easy solutions...
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Old 12-20-2015, 11:36 PM   #5
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Well, it will be expensive to add 3 phase to my garage.

Quote:
Originally Posted by alm001 View Post
Call the manufacturer of the compressor, and see if they offer a single phase motor that can swap directly in.

The other option is a 'variable frequency drive', but converting single to three phase you need to oversize the VFD by 100%. (ex 1hp single phase motor would require a 2hp VFD) ABB ACH550 UH 04A6 2 AC HVAC Drive 4 6 Amp 3 Phase 0 500Hz | eBay

Also, you will be limited to 208v motor, so if you have a 480v 3phase motor you are out of luck.
How do you think, will this VFD work for my motor? https://www.mrosupply.com/motors/ac-motors/general-purpose-motors/26523_vm3546_baldor/
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