VFD drive

[woodguy60]

looking for some advise on vfds i am looking to purchase a spindle
4.7hp this spindle runs on 3phase 220v my supply is 220v single phase
i would like to know if the foll will work the supplier has a vfd but is asking
800.00 i can obtain this on on ebay for 325.00
http://cgi.ebay.com/5-HP-VFD-VARIABL...item483867f507
thanks paul

[awerby]

As far as I understand it (and I'm not an expert at this, but have set up a few machines with VFDs) you need to over-rate the drive by 50% if you're converting from single-phase. So for your 4.7 hp spindle, you'd be looking for a 7.5 hp drive. Not all of them will even work on single-phase, so be sure you get one that's designed to produce three-phase from single-phase.

Andrew Werby
www.computersculpture.com

Originally Posted by woodguy60 looking for some advise on vfds i am looking to purchase a spindle 4.7hp this spindle runs on 3phase 220v my supply is 220v single phase i would like to know if the foll will work the supplier has a vfd but is asking 800.00 i can obtain this on on ebay for 325.00 http://cgi.ebay.com/5-HP-VFD-VARIABL...item483867f507 thanks paul

[ger21]

It says right on the auction page that it requires 3 phase in. You'll need this one.
http://cgi.ebay.com/5-HP-PHASE-CONVE...item20ae6300f6

[mactec54]

woodguy60
Just make sure you get the single phase one X200-37LFU (Ask For this model PC1-50 ) this is good for your 5hp motor with no derating of the drive you will need a 30amp supply

[woodguy60]

thanks for all the help woodguy