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Total 10 documents matching your query.

1. [Amps] Sort Start (score: 1): Author: "Rich" <rdjmgmt@socket.net>; Date: Tue, 9 Aug 2005 11:15:01 -0500; Gentleman, I have started bread boarding my power supply. So far I have it set for the filament transformer and fan to come on first, run for 3 ( adjustable ) min then kick in a relay for 0 to280v to; /archives//html/Amps/2005-08/msg00335.html (7,085 bytes)
2. Re: [Amps] Sort Start (score: 1): Author: "Will Matney" <craxd1@verizon.net>; Date: Tue, 09 Aug 2005 12:29:56 -0400; You can add a soft start, some do and some don't. A 10 second delay though is a little too long for the soft start on the HV transformer. You only need about 4 to 5 seconds as that's actually over th; /archives//html/Amps/2005-08/msg00338.html (7,915 bytes)
3. Re: [Amps] Sort Start (score: 1): Author: "Larry Carman" <lncarman@swbell.net>; Date: Fri, 12 Aug 2005 09:27:44 -0500; The Henry RF generator using a 4 KW power supply at 4000 VDC and a filter choke only use a .5 second soft start. The 1/2 second delay seems to be plenty even with 30 mf of caps and no filter choke. I; /archives//html/Amps/2005-08/msg00427.html (9,654 bytes)
4. Re: [Amps] Sort Start (score: 1): Author: "Will Matney" <craxd1@verizon.net>; Date: Fri, 12 Aug 2005 11:01:54 -0400; Larry, Yes, it very well could as the 4-5 seconds was a guess for the longest time. The reason, a ham on this mailer ran a test and sent me the results from a logging oscilloscope which showed the in; /archives//html/Amps/2005-08/msg00429.html (11,291 bytes)
5. Re: [Amps] Sort Start (score: 1): Author: Ian White G/GM3SEK <gm3sek@ifwtech.co.uk>; Date: Fri, 12 Aug 2005 16:33:34 +0100; Agreed - most step-starts take way too long. When the step-start is about right, the first and second current steps will be about equal. You can tell this, near enough, by comparing the loudness of t; /archives//html/Amps/2005-08/msg00430.html (9,113 bytes)
6. Re: [Amps] Sort Start (score: 1): Author: "Will Matney" <craxd1@verizon.net>; Date: Fri, 12 Aug 2005 11:46:12 -0400; See below; ** REPLY SEPARATOR ** That's the way I see it too. One takes a chance of burning one or both out, or overheating the relay contacts. Most use around a 25 watt resistor which is really too; /archives//html/Amps/2005-08/msg00433.html (10,338 bytes)
7. Re: [Amps] Sort Start (score: 1): Author: "m.ford" <k1ern@direcway.com>; Date: Fri, 12 Aug 2005 11:47:16 -0400; Lets see..... we got a step start, we got a soft start and we got a sort start. My amp project has a start/stop. What is a sort start? Is that when you "sort of" start or is it when you sort out whic; /archives//html/Amps/2005-08/msg00434.html (7,675 bytes)
8. Re: [Amps] Sort Start (score: 1): Author: aborg <a_borg@yahoo.com>; Date: Fri, 12 Aug 2005 09:11:19 -0700 (PDT); This was merely a typo for "Soft Start". Notice no one tried to correct this. Wow!!!!!!!!!! ** Mike-KK4MS a_borg@yahoo.com __________________________________ Yahoo! Mail for Mobile Take Yahoo! Mail w; /archives//html/Amps/2005-08/msg00436.html (8,573 bytes)
9. Re: [Amps] Sort Start (score: 1): Author: Ian White G/GM3SEK <gm3sek@ifwtech.co.uk>; Date: Fri, 12 Aug 2005 17:10:54 +0100; If you use short step-start, you can protect the resistor with a slow-blow fuse. Normally the step-start will be too quick to blow the fuse, but if the relay ever fails to close, the fuse will blow i; /archives//html/Amps/2005-08/msg00437.html (9,556 bytes)
10. Re: [Amps] Sort Start (score: 1): Author: "Larry Carman" <lncarman@swbell.net>; Date: Fri, 12 Aug 2005 12:10:22 -0500; I also noticed that the Henry used a 10 ohm 50 watt resistor in the primary of the filament transformer on the 3cx3000a7 tube amps. No relays or anything else. This resistor was for a soft start and; /archives//html/Amps/2005-08/msg00442.html (11,603 bytes)

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