It seems that phase perfect works together with http://www.transformeronline.com/prices/threephasetransformer.htm
The have several sizes of 240 delta to 208 Y... how do you pick a size? John On 5/29/2012 7:09 AM, gene heskett wrote: > On Tuesday, May 29, 2012 07:48:08 AM John Thornton did opine: > >> I filled out the quote form to see what they say. >> >> John >> > Yes, thanks. > > I have another wild idea, your Vab, Vac, Vbc voltages would appear to be > moderately well balanced, as they should be. The generated C, measured to > ground, is quite hot as is also expected. So a set of readings to ground > from the taps labeled 390 are the next bits of data I need to cogitate on. > > Hook the meter up cold with clip leads, than power up just long enough to > take the reading of course, we sure don't need a fried John. > > I can personally testify that that is not a pleasant experience, and > neither was the shingles it triggered. If you survive the burns, they are > a minor detail, but the shingles will recalibrate even a diabetics pain > threshold, upward by about an order of magnitude. > >> On 5/28/2012 11:12 AM, gene heskett wrote: >>> On Monday, May 28, 2012 11:53:29 AM John Thornton did opine: >>>> Gene, >>>> >>>> The phaseperfect install guide did mention that when you need >>>> balanced voltage to ground to use a delta wye transformer after >>>> their device. So I have to assume they are out there but so far my >>>> google only turns up descriptions of the beast. >>>> >>>> John > Can they supply a suitably sized "matching" device? It would seem to me > they are missing the chance to make a higher profit if they did not do so. > Not being able to supply a complete solution would not make business sense > to me if I was PhasePerfect. But I'm not, so... > >>> These people have made transformers for me several times, at what I >>> considered at the time to be great prices, considering it was usually >>> needed yesterday if not before. Dating back to 1985, none of the 3 >>> replacements they made me for that old GE transmitter has ever failed. >>> Good stuff. >>> >>> <http://www.harbachelectronics.com/main/page_xfmr_quote.html> >>> >>> This is an arm of Peter Dahl, (or vice-versa) and their products use >>> modern grain oriented steel laminations, which made their product >>> more efficient by far than the 1950's style OEM transformer it was >>> replacing AND about half the weight because of the improved >>> efficiency. >>> >>> The most recent, and smallest one they made had about a 10kw rating, a >>> plate transformer for the 5kw rated driver cabinet of a 35kw rated big >>> box, came in the door at less than $2k at the time, and in only 10 >>> days, which is now about 15 years back up the log. How they might >>> compete today, I have no clue, but they have been keeping >>> broadcasters with old transmitters on the air for at least 50 years. >>> >>> I'd be interested in what your quote might be. >>> >>> Cheers, Gene >> ------------------------------------------------------------------------ >> ------ 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 > > Cheers, Gene ------------------------------------------------------------------------------ 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
