Why would they call that a reactor, rather than an inductor? Neil
On Tue, Jul 27, 2010 at 7:46 PM, Stuart Stevenson <[email protected]> wrote: > I have seen reactors used to quiet a vfd. A reactor is merely a coil of > wire. > > On Tue, Jul 27, 2010 at 3:57 PM, Andy Pugh <[email protected] > >wrote: > > > On 27 July 2010 21:43, Don Stanley <[email protected]> wrote: > > > > > The solution was a 5% KDR filter from TCI in Milwaukee Wi in the VFD > > > output. > > > > I suspect some ferrite beads on the output lines helped with my rather > > troublesome VFD noise problem. Though I also added an input filter and > > shielded power cables at the same time, so don't have the data to > > deconvolve the various effects. > > > > The input filter was initially troublesome, tripping the ELCB in the > > main supply. The solution I found was to power the VFD through a > > zero-crossing SSR controlled by EMC2. As the mains voltage is always > > zero at switch-on there is no current spike into the filter caps, and > > no tripping of the breaker. So far it has been a 100% success for > > about a year. > > > > -- > > atp > > > > > > > ------------------------------------------------------------------------------ > > The Palm PDK Hot Apps Program offers developers who use the > > Plug-In Development Kit to bring their C/C++ apps to Palm for a share > > of $1 Million in cash or HP Products. Visit us here for more details: > > http://ad.doubleclick.net/clk;226879339;13503038;l? > > http://clk.atdmt.com/CRS/go/247765532/direct/01/ > > _______________________________________________ > > Emc-users mailing list > > [email protected] > > https://lists.sourceforge.net/lists/listinfo/emc-users > > > > > > -- > dos centavos > > ------------------------------------------------------------------------------ > The Palm PDK Hot Apps Program offers developers who use the > Plug-In Development Kit to bring their C/C++ apps to Palm for a share > of $1 Million in cash or HP Products. Visit us here for more details: > http://ad.doubleclick.net/clk;226879339;13503038;l? > http://clk.atdmt.com/CRS/go/247765532/direct/01/ > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users > -- http://www.pixpopuli.com ------------------------------------------------------------------------------ The Palm PDK Hot Apps Program offers developers who use the Plug-In Development Kit to bring their C/C++ apps to Palm for a share of $1 Million in cash or HP Products. Visit us here for more details: http://p.sf.net/sfu/dev2dev-palm _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
