On Mon, Jan 21, 2013 at 11:56 AM, Mike Cinquino <[email protected]> wrote: > Thank you, all the suggestions are good advice. I will attempt as many as I > can to get the problem solved starting with a enclosure just for the VFD. > This will also allow me to isolate the 220v. The main control box can all > be powered with 110v. > > Are VFD's less noisy if they are fed 3 phase? I would think they might be > because of the switching needed to generate the 3rd phase if only fed > single phase?
I doubt it as the noise is from the recreation of the output sine wave while only a part is from the input rectifiers I would also recommend adding an input filter to the vfd Dave Caroline > > Thanks, > Mike > ------------------------------------------------------------------------------ > Master Visual Studio, SharePoint, SQL, ASP.NET, C# 2012, HTML5, CSS, > MVC, Windows 8 Apps, JavaScript and much more. Keep your skills current > with LearnDevNow - 3,200 step-by-step video tutorials by Microsoft > MVPs and experts. SALE $99.99 this month only -- learn more at: > http://p.sf.net/sfu/learnmore_122412 > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users ------------------------------------------------------------------------------ Master Visual Studio, SharePoint, SQL, ASP.NET, C# 2012, HTML5, CSS, MVC, Windows 8 Apps, JavaScript and much more. Keep your skills current with LearnDevNow - 3,200 step-by-step video tutorials by Microsoft MVPs and experts. SALE $99.99 this month only -- learn more at: http://p.sf.net/sfu/learnmore_122412 _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
