nuckollsr(at)cox.net
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 Posted: Tue Sep 05, 2006 4:38 am Post subject: AeroElectric-List Digest: 9 Msgs - 09/04/06 |
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At 05:03 AM 9/5/2006 -0700, you wrote:
| Quote: | Bob,
I have had very good luck with the Hitachi brand VFD's. They will give
you speed control, as well as inverter capability. I have one on my band
saw, I wanted speed control and only had single phase available at the
hanger. Bought the VFD and a 3 phase motor, and it works great. I
wouldn't do it any other way. just keep in mind, motor HP (I am told)
drops as the freq is reduced. Though I have never had a problem with the
bandsaw. Cheapest place to find them, Ebay. A place called Drives
Warehouse or some variation of that has them listed all the time, new in
box. Turned out to be cheapest I could find anywhere.
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My application is already fitted with a variable speed pulley
system. My problem is that it's a 3-phase motor and a single-phase
source. Some variation on a static phase-inverter or static-rotary
phase inverter will get it running at no worse than 25% loss of
nameplate horsepower. It's a boss-hog motor at 10 h.p. Thanks!
Bob . . .
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