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Total 13 documents matching your query.

1. [RFI] Power Lines (score: 1): Author: rick darwicki <n6pe@yahoo.com>; Date: Sat, 22 Dec 2007 09:11:31 -0800 (PST); I probably shouldn't admit this but........... After all the Edison/Tesla things I've seen over the years and a discussion with my brother that worked for Los Angeles Department of Water and Power, I; /archives//html/RFI/2007-12/msg00040.html (7,131 bytes)
2. Re: [RFI] Power Lines (score: 1): Author: WarrenWolff@aol.com; Date: Sat, 22 Dec 2007 12:32:21 EST; When I was quite young, there was an allegation that gardens grew better under those AC lines!! AND, now there's DC to contend with! Isn't change interesting? Warren; W7WY In a message dated 12/22/20; /archives//html/RFI/2007-12/msg00041.html (7,826 bytes)
3. Re: [RFI] Power Lines (score: 1): Author: "David Robbins K1TTT" <k1ttt@arrl.net>; Date: Sat, 22 Dec 2007 18:05:20 +0000; Old and new... The last DC distribution station in NYC was just retired after they installed rectifiers in the last building that it was powering. Today High voltage DC is an excellent choice for lon; /archives//html/RFI/2007-12/msg00043.html (9,805 bytes)
4. [RFI] Power Lines (score: 1): Author: "Lee K7TJR" <k7tjr@msn.com>; Date: Sat, 22 Dec 2007 19:06:51 -0800; I am near the path of a rather large DC transmission network called the Pacific DC Intertie. There is some awesome technology involved in this HVDC. A rather large Building about 100 miles North of m; /archives//html/RFI/2007-12/msg00045.html (6,939 bytes)
5. Re: [RFI] Power Lines (score: 1): Author: Glenn Wiebe <ve4gn@mts.net>; Date: Sat, 22 Dec 2007 22:54:06 -0600; My former employer (I'm now retired) makes use of +/- 500kv transmission lines to transmit power from their generating stations in northern Manitoba to the south where the load is including ties to n; /archives//html/RFI/2007-12/msg00046.html (7,751 bytes)
6. Re: [RFI] Power Lines (score: 1): Author: "Jim Miller" <JimMiller@STL-OnLine.Net>; Date: Sun, 23 Dec 2007 08:02:19 -0600; Does the RFI from DC lines tend to be less or more than that from AC lines? Is there a way to tell if the lines are DC or AC? Can you "listen" to them or something? I have HV lines running across my; /archives//html/RFI/2007-12/msg00047.html (9,173 bytes)
7. Re: [RFI] Power Lines (score: 1): Author: "Gary \"Joe\" Mayfield" <gary_mayfield@hotmail.com>; Date: Sun, 23 Dec 2007 08:34:25 -0600; DC transmission lines are GENERALLY quieter unless you live right next to the converter station. DC transmission lines the major conductor count should be an even number -- AC transmission line the m; /archives//html/RFI/2007-12/msg00048.html (9,906 bytes)
8. [RFI] Power Lines (score: 1): Author: "Jim Miller" <JimMiller@STL-OnLine.Net>; Date: Sun, 23 Dec 2007 12:59:32 -0600; Thanks Guys, Two large poles together with a single cross piece with all three "wires"(cables) hanging from the dangling insulators. Sounds like AC then. The power company maintains a cleared right-o; /archives//html/RFI/2007-12/msg00049.html (7,958 bytes)
9. Re: [RFI] Power Lines (score: 1): Author: "David Robbins K1TTT" <k1ttt@arrl.net>; Date: Sun, 23 Dec 2007 19:23:01 +0000; If the line uses the common porcelain or glass 'bell' type insulators shaped like these: http://www.berkshireinsulatorgallery.org/catalogimages/mvc-017f.jpg or http://www.berkshireinsulatorgallery.or; /archives//html/RFI/2007-12/msg00050.html (10,442 bytes)
10. Re: [RFI] Power Lines (score: 1): Author: "Jim P" <jvpoll@dallas.net>; Date: Sun, 23 Dec 2007 13:37:50 -0600; Just an observation - and somebody correct me if I'm wrong .. generation, power transmission and power distribution, the power companies extend out from the central (generating) station to the variou; /archives//html/RFI/2007-12/msg00051.html (9,373 bytes)
11. Re: [RFI] Power Lines (score: 1): Author: "David Robbins K1TTT" <k1ttt@arrl.net>; Date: Sun, 23 Dec 2007 20:05:30 +0000; Yep, that pretty well covers it. And I have worked for EPRI (see http://www.epri.com) for most of the last 10 years anyway even though that is not my full time job right now. David Robbins K1TTT e-ma; /archives//html/RFI/2007-12/msg00052.html (10,873 bytes)
12. Re: [RFI] Power Lines (score: 1): Author: Martin Ewing - AA6E <aa6e@ewing.homedns.org>; Date: Sun, 23 Dec 2007 17:54:14 -0500; Check out the wikipedia article on this at http://en.wikipedia.org/wiki/Three-phase_electric_power . Lots of info and some interesting animations. You can build a neat DC power supply for your multi-; /archives//html/RFI/2007-12/msg00053.html (10,744 bytes)
13. Re: [RFI] Power Lines (score: 1): Author: "Jim P" <jvpoll@dallas.net>; Date: Sun, 23 Dec 2007 17:33:03 -0600; Now, imagine your 'power mains' are 400 Hz 115V 3 phase - those are the kinds of systems I've had more experience with (off-line switchers powering HV supplies for TWT and Magnetron-based pulse 'tran; /archives//html/RFI/2007-12/msg00054.html (8,693 bytes)

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