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1. Re: [TenTec] station power supplies (score: 1): Author: "Roy" <royanjoy@ncn.net>; Date: Fri, 7 Sep 2012 11:37:10 -0500; About: "The linear supplies are not very efficient, and use a lot of power just idling, (etc.)" Linear supplies not having current drawn (no load) should not dissipate any power at all. 73, Roy K6XK; /archives//html/TenTec/2012-09/msg00139.html (7,271 bytes)
2. Re: [TenTec] station power supplies (score: 1): Author: Jim Brown <k9yc@audiosystemsgroup.com>; Date: Fri, 07 Sep 2012 09:54:47 -0700; Not true. A power transformer connected to the power line will draw magnetizing current, and there will be power dissipated. 73, Jim K9YC _______________________________________________ TenTec mailin; /archives//html/TenTec/2012-09/msg00140.html (7,158 bytes)
3. Re: [TenTec] station power supplies (score: 1): Author: "Chuck N4XS" <chuck@n4xs.com>; Date: Fri, 7 Sep 2012 13:04:52 -0400; I'm not sure what your statement is based on, but it sure doesn't match my experience. My RS-20 consumes (converts to heat) over 20 watts with nothing connected to its output. That's not a whole lot; /archives//html/TenTec/2012-09/msg00141.html (8,543 bytes)
4. Re: [TenTec] station power supplies (score: 1): Author: Jim Brown <k9yc@audiosystemsgroup.com>; Date: Fri, 07 Sep 2012 10:22:34 -0700; On 9/7/2012 10:04 AM, Chuck N4XS wrote: When I was planning solar power for a cabin I bought a Kill-A-Watt outlet strip that allows easy measurement of power consumption. Using it to check the device; /archives//html/TenTec/2012-09/msg00142.html (8,674 bytes)
5. Re: [TenTec] station power supplies (score: 1): Author: wade staggs <tvman1954@gmail.com>; Date: Fri, 7 Sep 2012 12:30:35 -0500; *I was taught that a Transformer with No Load on the Secondary Winding, uses Only what is known as Magnetizing Current. In all of the Books from my learning, this Magnetizing Current is Very Small. T; /archives//html/TenTec/2012-09/msg00143.html (9,939 bytes)
6. Re: [TenTec] station power supplies (score: 1): Author: "Roy" <royanjoy@ncn.net>; Date: Fri, 7 Sep 2012 12:54:50 -0500; "Not true. A power transformer connected to the power line will draw magnetizing current, and there will be power dissipated." In spirit if the original statement, of course I assumed the peripheral,; /archives//html/TenTec/2012-09/msg00144.html (7,548 bytes)
7. Re: [TenTec] station power supplies (score: 1): Author: Mike Bryce <prosolar@sssnet.com>; Date: Fri, 7 Sep 2012 14:19:06 -0400; Wade, Take a big, and I mean a really big gulp, and try an LED light. Gosh they're expensive, but they don't have the RFI that the CFI seem to manufacture I have several 110 Edison based LED lights i; /archives//html/TenTec/2012-09/msg00145.html (9,654 bytes)
8. Re: [TenTec] station power supplies (score: 1): Author: wade staggs <tvman1954@gmail.com>; Date: Fri, 7 Sep 2012 13:57:24 -0500; Two sets of these in the Shack. Caught the first set at Auction for around Five Bucks with shipping. Fifteen to Twenty Day wait to get them from China. I sure wish that we still made stuff like this; /archives//html/TenTec/2012-09/msg00146.html (12,202 bytes)
9. Re: [TenTec] station power supplies (score: 1): Author: "chacuff" <chacuff@cableone.net>; Date: Fri, 7 Sep 2012 14:15:54 -0500; I think that is when we will gain the ultimate efficiency for lighting...when we distribute DC power through our homes for lighting and avoid the inefficiencies in the crazy power supplies that are b; /archives//html/TenTec/2012-09/msg00147.html (13,361 bytes)
10. Re: [TenTec] station power supplies (score: 1): Author: Jim Brown <k9yc@audiosystemsgroup.com>; Date: Fri, 07 Sep 2012 12:32:36 -0700; Large and small depends on the size of the transformer and who's paying the bill. :) 73, Jim K9YC _______________________________________________ TenTec mailing list TenTec@contesting.com http://list; /archives//html/TenTec/2012-09/msg00148.html (8,821 bytes)
11. Re: [TenTec] station power supplies (score: 1): Author: Jim Brown <k9yc@audiosystemsgroup.com>; Date: Fri, 07 Sep 2012 12:35:44 -0700; Don't forget Ohm's Law. The reason we use AC for power distribution is that it can be transformed to the voltage needed to keep wire loss low. Low voltage DC is fine if copper is free. :) 73, Jim K9Y; /archives//html/TenTec/2012-09/msg00149.html (9,201 bytes)
12. Re: [TenTec] station power supplies (score: 1): Author: "Jerry Haigwood" <jerry@w5jh.net>; Date: Fri, 7 Sep 2012 14:44:13 -0500; Thank goodness Westinghouse beat out Edison on that one... Jerry W5JH Don't forget Ohm's Law. The reason we use AC for power distribution is that it can be transformed to the voltage needed to keep w; /archives//html/TenTec/2012-09/msg00150.html (9,448 bytes)
13. Re: [TenTec] station power supplies (score: 1): Author: wade staggs <tvman1954@gmail.com>; Date: Fri, 7 Sep 2012 15:09:49 -0500; *Thank Goodness for Mr. Tesla, How could a man that Smart, die without a penny to his name? I have read that some of the Water Turbines and Generators originally installed at Niagara Falls, are still; /archives//html/TenTec/2012-09/msg00151.html (10,699 bytes)
14. Re: [TenTec] station power supplies (score: 1): Author: Cecil <chacuff@cableone.net>; Date: Fri, 7 Sep 2012 16:01:07 -0500; I would never suggest DC power distribution...I was thinking along the lines of a conversion at the home panel to low voltage DC for use with more simply designed LED lighting. I don't have first han; /archives//html/TenTec/2012-09/msg00154.html (10,162 bytes)
15. Re: [TenTec] station power supplies (score: 1): Author: Richards <jruing@ameritech.net>; Date: Fri, 07 Sep 2012 18:24:58 -0400; Amen. Wall warts consume a lot loads of power all day even when nothing is running on them. Even my TS-590 consumes power when turned off because it monitors the network and other inputs for action (; /archives//html/TenTec/2012-09/msg00159.html (10,154 bytes)
16. Re: [TenTec] station power supplies (score: 1): Author: "G3WPF" <g3wpf@sky.com>; Date: Sat, 8 Sep 2012 10:37:10 +0100; I would never suggest DC power distribution...I was thinking along the lines of a conversion at the home panel to low voltage DC for use with more simply designed LED lighting. I don't have first han; /archives//html/TenTec/2012-09/msg00171.html (11,172 bytes)

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