High voltage on low frequency will overheat an induction motor. It is possible to use flux weakening and run on lower voltage with lower load but if they are overloaded because of two low available torque I think overcurrent may be possible.
Nicklas Karlsson On Wed, 26 Nov 2014 12:48:43 -0600 Jon Elson <el...@pico-systems.com> wrote: > On 11/26/2014 03:51 AM, Viesturs Lācis wrote: > > Jon, could you, please, share some link for such kind of > > inductor? I am looking at website of local seller of > > electronics stuff, I do not see any inductors with 9A > > rated current and anything above 22 uH inductivity. > The inductors I have were custom made for an old project. > They are what is called > bobbin or spool inductors, they look like a ferrite spool > wrapped with wire. > > This is the series : > http://www.rencousa.com/products/rl-1256 > > The specific inductors I'm using are 1.67 mH, but I'm not > sure it is real critical. What this > does is slow down the rate of current rise when the VFDs > transistors are on. > > > Jon > > ------------------------------------------------------------------------------ > Download BIRT iHub F-Type - The Free Enterprise-Grade BIRT Server > from Actuate! Instantly Supercharge Your Business Reports and Dashboards > with Interactivity, Sharing, Native Excel Exports, App Integration & more > Get technology previously reserved for billion-dollar corporations, FREE > http://pubads.g.doubleclick.net/gampad/clk?id=157005751&iu=/4140/ostg.clktrk > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users ------------------------------------------------------------------------------ Download BIRT iHub F-Type - The Free Enterprise-Grade BIRT Server from Actuate! Instantly Supercharge Your Business Reports and Dashboards with Interactivity, Sharing, Native Excel Exports, App Integration & more Get technology previously reserved for billion-dollar corporations, FREE http://pubads.g.doubleclick.net/gampad/clk?id=157005751&iu=/4140/ostg.clktrk _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
