From: "Terrell W. Fritz"
Date: Tue, 08 Oct 2002 18:22:27 -0600
Subject: Re: [TSSP] Curiouser and curiouser!
At 12:44 PM 10/8/2002 -0600, you wrote: > >> >>I don't know what's happening to your 3/4 wave mode on >>the running coil. It seems to be breaking up and tcma >>is making a hash of it. Why isn't the 1/4 wave mode split? >>Did you capture the ping starting after the quench? Or is >>your primary desperately out of tune? Maybe the f3 of >>the sec is being modulated by alternative f1 half cycles, >>with the IGBT's switching on and off. 114kHz when the IGBT >>is off, and 120 kHz when the IGBT is on (or maybe the other >>way?), the modulation occuring due to the pri-sec cap and >>the effective Lsec being altered. > >I think I did the capture and all just right. The running coil is very stable >and the waveform "looks fine" to the eye. I have the data files... Ok, I'll >try and find what I did with the disk and post the data... I think I took the >disk to work... I'll find it... > The data files of the Q tests are at: http://hot-streamer.com/temp/OLTC10-08-01.CSV http://hot-streamer.com/temp/OLTC10-08-01.gif http://hot-streamer.com/temp/OLTC10-08-01.txt http://hot-streamer.com/temp/OLTC10-08-02.CSV http://hot-streamer.com/temp/OLTC10-08-02.gif Cheers, Terry
Maintainer Paul Nicholson, paul@abelian.demon.co.uk.