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Thread: recommend VFD for 1hp motor
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21st March 2014, 12:24 AM #46GOLD MEMBER
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Will be interesting to see what your friend has to say.
As you say it would be nice to have more than one option.
Stuart
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21st March 2014 12:24 AM # ADSGoogle Adsense Advertisement
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21st March 2014, 12:52 AM #47
Peter,
I had a dedicated look through the site and can't find any models that convert 240V input to anything other than a output of 0-100% input voltage.
Do you have a model number that is meant to do a voltage increase?Cheers,
Joe
9"thicknesser/planer, 12" bench saw, 2Hp Dusty, 5/8" Drill press, 10" Makita drop saw, 2Hp Makita outer, the usual power tools and carpentry hand tools...
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21st March 2014, 01:22 AM #48
Hi Peter,
I have a Danfoss VLT Micro on the lathe, nice vector drive. But it's 240 single phase in 240 3 phase out. Yes there is a model which is 415 single phase in 415 3 phase out... but no 240 in 415 out, As stuart and joe have already mentioned, drivesdirect in the uk are the only ones I've ever heard of.
Ray
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21st March 2014, 10:00 AM #49SENIOR MEMBER
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HI Ray.
that is what I see too but the guy at automation just keep saying that it is single phase to 3 phase 415v. also an engineer friend also swear that he have this VLT unit running his milling machine which have the 415v motor . i need to double check on this and confirm which model he has used .
i do have my doubt ,
Peter
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21st March 2014, 10:41 AM #50Senior Member
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415 volt single phase is 2 x 240 volt actives, maybe that is what they mean by 415 volt in.
Lex.
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21st March 2014, 04:20 PM #51
Yes, correct, that's the 480V sometimes found in rural areas. It doesn't mean 240V in 415 out.. but it is single phase in 3 phase out.
Incidentally you can run just about any VFD on single phase power, be it 415, or 480 single phase or 240 single phase, provided it can be configured so that it doesn't alarm and shut down on missing phases, and of course you have to de-rate the output accordingly.
The Danfoss VLT Aqua FC202 is available in two single phase models, 200-240V and 380-480V single phase input.
Ray
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