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1. [RFI] Honda Generator RFI (score: 1): Author: "Clay Curtiss W7CE" <w7ce@curtiss.net>; Date: Tue, 22 Mar 2005 16:29:10 -0800; Does anyone have any experience with Honda generators and RFI? I just purchased a Honda EM6000GP propane powered 6KW generator for use at a cabin that is off the power grid. Unfortunately, the genera; /archives//html/RFI/2005-03/msg00062.html (8,474 bytes)
2. Re: [RFI] Honda Generator RFI (score: 1): Author: "Jim Brown" <jim@audiosystemsgroup.com>; Date: Tue, 22 Mar 2005 18:47:03 -0600; A good commercial line filter at the generator is probably be a good idea. Not all are created equal, so study the specs carefully. You want to ground the filter to the generator with very short lead; /archives//html/RFI/2005-03/msg00063.html (7,563 bytes)
3. Re: [RFI] Honda Generator RFI (score: 1): Author: "Jim P" <jvpoll@dallas.net>; Date: Tue, 22 Mar 2005 22:03:17 -0600; For planning purposes, one must keep in mind that 'balancing out' the strong influence of 60 Hz AC flowing in lines that they wish to 'filter' that in a 240/120 V '2-phase' configuration (with neutra; /archives//html/RFI/2005-03/msg00064.html (8,985 bytes)
4. Re: [RFI] Honda Generator RFI (score: 1): Author: "Michael Tope" <W4EF@dellroy.com>; Date: Tue, 22 Mar 2005 21:54:20 -0800; Hi Clay, We use a Honda ES6500 at our Field Day site without any special line filtering and don't have any problems with noise. That is not to say that it doesn't generate any RFI. My experience has; /archives//html/RFI/2005-03/msg00065.html (10,683 bytes)
5. Re: [RFI] Honda Generator RFI (score: 1): Author: "Jim Brown" <jim@audiosystemsgroup.com>; Date: Wed, 23 Mar 2005 08:49:25 -0600; While balancing the load between the legs is a good thing, especially in 120/240V systems, I doubt that it has much, if anything, to do with RFI. Jim Brown K9YC ______________________________________; /archives//html/RFI/2005-03/msg00066.html (7,354 bytes)
6. Re: [RFI] Honda Generator RFI (score: 1): Author: "Clay Curtiss W7CE" <w7ce@curtiss.net>; Date: Wed, 23 Mar 2005 07:13:45 -0800; Thanks for the link Jim. I'm in the process of digesting the info now. I assume that I need to wrap all three wires through the toroid (both 120V legs and neutral). I have a four wire connection from; /archives//html/RFI/2005-03/msg00067.html (10,619 bytes)
7. Re: [RFI] Honda Generator RFI (score: 1): Author: "Clay Curtiss W7CE" <w7ce@curtiss.net>; Date: Wed, 23 Mar 2005 07:22:39 -0800; I'm currently using an end-fed wire through a tuner and I figured that was compounding the problem. I'm going to try to put up a horizontal balanced dipole fed with twin feed this weekend and see if; /archives//html/RFI/2005-03/msg00068.html (13,639 bytes)
8. Re: [RFI] Honda Generator RFI (score: 1): Author: Dan Richardson <k6mhe@adelphia.net>; Date: Wed, 23 Mar 2005 07:39:33 -0800; Mike, I am wondering if using a type 73 material would improve things for HF operations? Looking at a chart for various ferrite materials I note that type 43 (which you used) peak impedance is around; /archives//html/RFI/2005-03/msg00069.html (12,773 bytes)
9. Re: [RFI] Honda Generator RFI (score: 1): Author: "Jim Brown" <jim@audiosystemsgroup.com>; Date: Wed, 23 Mar 2005 09:40:44 -0600; Yes Good. The ground should probably NOT have a toroid on it. Do you have my Power/Grounding white paper? If not, grab it off my website. There must be ONE, AND ONLY ONE, bond between neutral and gro; /archives//html/RFI/2005-03/msg00070.html (11,391 bytes)
10. Re: [RFI] Honda Generator RFI (score: 1): Author: Dan Richardson <k6mhe@adelphia.net>; Date: Wed, 23 Mar 2005 08:03:09 -0800; Jim, I have been wondering about that. In the March issue of QST page 48 "Short Takes" they review the ICE model 475-3 AC line filter. While no schematic is show they do, however, show a picture of t; /archives//html/RFI/2005-03/msg00071.html (8,445 bytes)
11. Re: [RFI] Honda Generator RFI (score: 1): Author: "Martin, AA6E" <martin.ewing@gmail.com>; Date: Wed, 23 Mar 2005 11:12:24 -0500; If you pass all 3 wires through the toroid, you will choke out all the common-mode RFI currents. That's probably what you want. Of course it means you can't use the green wire as an RF ground anymore; /archives//html/RFI/2005-03/msg00072.html (9,645 bytes)
12. Re: [RFI] Honda Generator RFI (score: 1): Author: "Jim Brown" <jim@audiosystemsgroup.com>; Date: Wed, 23 Mar 2005 10:18:27 -0600; "Short The word "probably" in my reply is based on the potential for a conflict between safety grounding and RFI suppression. You MUST bond all grounds within an installation for safety, but these co; /archives//html/RFI/2005-03/msg00073.html (10,221 bytes)
13. Re: [RFI] Honda Generator RFI (score: 1): Author: "Jim P" <jvpoll@dallas.net>; Date: Wed, 23 Mar 2005 10:19:21 -0600; It does/it can, if you saturate the particular magnetics selected, by improper application, which was what I was pointing out ... I believe it was you who referred to this factor as something of conc; /archives//html/RFI/2005-03/msg00074.html (9,284 bytes)
14. Re: [RFI] Honda Generator RFI (score: 1): Author: "Jim Brown" <jim@audiosystemsgroup.com>; Date: Wed, 23 Mar 2005 11:07:53 -0600; What magnetics are being saturated, and how? If all the currentcarrying conductors are going through the ferrite choke, the net field is limited to the common-mode current, which ought to be the nois; /archives//html/RFI/2005-03/msg00076.html (9,004 bytes)
15. Re: [RFI] Honda Generator RFI (score: 1): Author: "Clay Curtiss W7CE" <w7ce@curtiss.net>; Date: Wed, 23 Mar 2005 09:31:10 -0800; I hadn't thought about the lightning protection issues. Lightning occurs infrequently here in Western Washington, so it isn't the first thing that usually comes to mind. If I run the ground wire thro; /archives//html/RFI/2005-03/msg00077.html (12,769 bytes)
16. Re: [RFI] Honda Generator RFI (score: 1): Author: "Jim Brown" <jim@audiosystemsgroup.com>; Date: Wed, 23 Mar 2005 12:06:13 -0600; Immediately adjacent to the service panel would be my choice. And following W8JI's advice, I would try to route the antennas through that common point and bond them (and their protection devices) the; /archives//html/RFI/2005-03/msg00078.html (9,894 bytes)
17. Re: [RFI] Honda Generator RFI (score: 1): Author: "Jim P" <jvpoll@dallas.net>; Date: Wed, 23 Mar 2005 12:50:07 -0600; You brought it up Jim; and I can see how, given the prescription for looping the neutral and just one phase through 'the magnetic' back at the source where this saturation problem that you spoke of c; /archives//html/RFI/2005-03/msg00079.html (10,707 bytes)
18. Re: [RFI] Honda Generator RFI (score: 1): Author: "Jim Brown" <jim@audiosystemsgroup.com>; Date: Wed, 23 Mar 2005 13:04:48 -0600; Sorry, brain cramp. I had forgotten we were talking about 120/240 as opposed to 120. Yes, both phases and the neutral need to go through the choke if the resultant field is to be small. Jim _________; /archives//html/RFI/2005-03/msg00080.html (8,826 bytes)
19. Re: [RFI] Honda Generator RFI (score: 1): Author: "Clay Curtiss W7CE" <w7ce@curtiss.net>; Date: Wed, 23 Mar 2005 15:34:24 -0800; I spent some time at www.fair-rite.com looking at their catalog. The larger toroids seem to only be available in type 43, 77, and 78 material. Type 31 material looks like it would be a good candidate; /archives//html/RFI/2005-03/msg00086.html (15,316 bytes)
20. Re: [RFI] Honda Generator RFI (score: 1): Author: "Jim Brown" <jim@audiosystemsgroup.com>; Date: Wed, 23 Mar 2005 17:43:31 -0600; The #31 material is relatively new. It is available in some sizes and configurations, but not all. The parts that W4EF and I have tested are experimental parts, and not in the catalog yet. In the Fai; /archives//html/RFI/2005-03/msg00087.html (9,535 bytes)

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