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Total 5 documents matching your query.

1. [Amps] ?Direct rectification of AC mains to drive the (score: 1): Author: "Jim Thomson" <jim.thom@telus.net>; Date: Thu, 26 Sep 2013 09:09:22 -0700; No, but the issue is not reactance, it is the fact that current is not sinusoidal, but rather is drawn in pulses at the peaks of the cycle to charge that cap. Back when most of us went to school PF w; /archives//html/Amps/2013-09/msg00305.html (13,162 bytes)
2. [Amps] ?Direct rectification of AC mains to drive the (score: 1): Author: "Jim Thomson" <jim.thom@telus.net>; Date: Sat, 28 Sep 2013 15:44:00 -0700; REPLY: Power factor correction is an area I am a bit hazy on. Could someone explain why the power factor would be different between a direct-rectified PS and a transformer-isolated one? Either one ch; /archives//html/Amps/2013-09/msg00325.html (9,036 bytes)
3. Re: [Amps] ?Direct rectification of AC mains to drive the (score: 1): Author: Bill Turner <dezrat1242@yahoo.com>; Date: Sun, 29 Sep 2013 18:20:00 -0700; ORIGINAL MESSAGE: (may be snipped) REPLY: That's kind of what I thought, so why did someone bring it up as soon as we started talking about direct rectified supplies? 73, Bill W6WRT _________________; /archives//html/Amps/2013-09/msg00333.html (7,931 bytes)
4. Re: [Amps] ?Direct rectification of AC mains to drive the (score: 1): Author: Tomm V Aldridge <taldridge@gmail.com>; Date: Mon, 30 Sep 2013 15:38:37 -0700; I think there is confusion between PF and crest factor here. A C input filter will draw all of its current in pulses around the rectified peaks of the AC sine wave. The crest factor will be much high; /archives//html/Amps/2013-10/msg00001.html (8,299 bytes)
5. [Amps] ?Direct rectification of AC mains to drive the (score: 1): Author: "Jim Thomson" <jim.thom@telus.net>; Date: Tue, 1 Oct 2013 19:20:29 -0700; I think there is confusion between PF and crest factor here. A C input filter will draw all of its current in pulses around the rectified peaks of the AC sine wave. The crest factor will be much high; /archives//html/Amps/2013-10/msg00003.html (9,749 bytes)

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