John Figie
On Sun, Sep 19, 2021 at 2:07 PM John Dammeyer <jo...@autoartisans.com> wrote: > > > That's the question. One possibility to try is to grab 110VAC line > voltage. Put a bridge and caps on it and drive that motor with more than > the 105VDC power supply. I'll have to check if my transistors are rated > for the 165VDC rectified voltage and I really would rather have them be > 250V transitors. I think you will need the 250V transistors and also need to consider a shunt resistor and switch to keep the bus voltage from going too high when you rapidly decelerate a motor. > And then there's the filters on the board too. The UHU circuit was > originally for up to about 75V. The HP_UHU came about for higher voltage > drives; Just don't know if I built mine for more than 125VDC although the > circuit design parts are for 11A. > > I _have_ tried one these motors with the STMBL but could never get it > tuned and support from the designers was inadequate to help me so I gave > up. > > I'd rather be machining... > > John > > > _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
