On Tue, 03 Nov 2015 08:54:32 -0600 Ed <ate...@mwt.net> wrote: > On 11/03/2015 08:41 AM, Todd Zuercher wrote: > > I recently purchased an inexpensive router spindle off of ebay. It is rated > > at 6kw and 380v 3ph. The old spindle I'm replacing was dual voltage and > > could be wired Y or delta, for 200-240 or 380-460 (7HP). Stupid me I didn't > > think to check the old VFD and it is only capible of low voltage (running > > 208 3ph). > > > > So my question, what are the repercussions of feeding this motor with only > > 208 3ph? > > > > If the only problem is a loss of a percentage of power, but not more than > > half, I can live with that. (It cost less than 1/3 the price of the > > original.) > > > I have been running a 480 V motor at 240 V for a while now on a manual > mill. At half the voltage you get one fourth the power. > > Ed.
A half voltage and same speed you get half power. At half speed and half voltage you however get one fourth the power. ------------------------------------------------------------------------------ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
