On 28 May 2012 09:39, gene heskett <ghesk...@wdtv.com> wrote: > True, they just wind 3 sets of coils on a 3 legged core. My suggested use > was to convert the delta connected source with its 'wild leg' into a wye > connected source that doesn't have the wild leg because the center of the > wye is now connected to the neutral bus.
The manual that I linked to earlier in the threrad (page 7/205 onwards) doesn't show any neutral connection to the infeed module. however it does show a number of differing earth wiring options, some of which include an autotransformer with earthed neutral point. What is interesting is that the infeed filters are earth-referenced, and perhaps this is the problem. What earthing scheme would a rotary converter actually match? An interesting section is.. "TN-C-S, TN-C-C: Symmetrical 4–conductor or 5–conductor three–phase line supply with grounded neutral point with a protective and neutral conductor connector connected at the neutral point which, depending on the line supply type, uses one or several conductors. For other line supply types 1) the NE module must be connected through an isolating transformer." Which seems to very much tie in with what Gene is saying, unless, of course, the Rotary converter itself counts as an autotransformer. I think that the converter provides an "IT" supply and that is shown with an autotransformer in the diagrams. -- atp If you can't fix it, you don't own it. http://www.ifixit.com/Manifesto ------------------------------------------------------------------------------ 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
