On Tue, Mar 8, 2011 at 12:45 PM, Jon Elson <el...@pico-systems.com> wrote:
> Igor Chudov wrote: > > Guys, call me stupid, but why can't the OP run his lathe off of that DC > > spindle motor? All he needs is a rectifier bridge to run it at constant > > speed. > > > > > Well, a 10 Hp DC motor will draw a LOT of current at start-up. Yes, > there is no reason he can't > do that, and there are DC motor controls that should handle it. But, it > is at the upper end of the > range of available controls. Myself, I'd BUILD a DC controller, maybe a > bank of power MOSFETs > and a home-made inductor. > > The DC motor may have much wider speed/torque capabilities that an > induction motor, too. > > Jon I have a 10 HP motor in my phase converter. It draws 120 amps at startup. So what, no problem. i ------------------------------------------------------------------------------ What You Don't Know About Data Connectivity CAN Hurt You This paper provides an overview of data connectivity, details its effect on application quality, and explores various alternative solutions. http://p.sf.net/sfu/progress-d2d _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
