On Fri, 25 May 2012, Peter C. Wallace wrote: > Date: Fri, 25 May 2012 10:33:19 -0700 (PDT) > From: Peter C. Wallace <p...@mesanet.com> > Reply-To: "Enhanced Machine Controller (EMC)" > <emc-users@lists.sourceforge.net> > To: "Enhanced Machine Controller (EMC)" <emc-users@lists.sourceforge.net> > Subject: Re: [Emc-users] Commutating Reactor > > On Fri, 25 May 2012, andy pugh wrote: > >> Date: Fri, 25 May 2012 18:19:39 +0100 >> From: andy pugh <bodge...@gmail.com> >> Reply-To: "Enhanced Machine Controller (EMC)" >> <emc-users@lists.sourceforge.net> >> To: "Enhanced Machine Controller (EMC)" <emc-users@lists.sourceforge.net> >> Subject: Re: [Emc-users] Commutating Reactor >> >> On 25 May 2012 18:00, Dave <e...@dc9.tzo.com> wrote: >> >>> For only generating 1 phase (the missing leg) they are charging some >>> serious money for those inverters. >> >> They are doing rather more than a typical inverter drive does. They >> create a smooth 3-phase waveform regardless of load. > > > > I wonder if a VFD (with suitably tweaked parameters) and 3 inductors would > do. I suspect VFDs have fairly low switching frequencies (say 4-10 KHz) so > would need a fair amount of filtering > > Peter Wallace > Mesa Electronics >
Ahh its a standard kind of thing: www.mtecorp.com/SineWave_Filter_4pg_Form1214A-2.pdf > > ------------------------------------------------------------------------------ > Live Security Virtual Conference > Exclusive live event will cover all the ways today's security and > threat landscape has changed and how IT managers can respond. Discussions > will include endpoint security, mobile security and the latest in malware > threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > Peter Wallace Mesa Electronics (\__/) (='.'=) This is Bunny. Copy and paste bunny into your (")_(") signature to help him gain world domination. ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
