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Messages 1298 - 1327 of 1372   Oldest  |  < Older  |  Newer >  |  Newest
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1298
Hello guys, I'm new to this group, but it seems that some of you have some experience with the MEG, so that's why I'm posting here the details of my...
ccool_j
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Apr 20, 2006
4:49 am
1299
... Have you tried lower pulse width with a deadtime in betwwen? Say something like 2 x 40% with 10% OFF. Mark Jordan...
Mark Jordan
enkitec
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Apr 20, 2006
4:51 pm
1300
No. Never tried....
Mark Jordan
enkitec
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Apr 21, 2006
3:46 pm
1301
No, because my meg was started as a project with some high school kids last year... we got it built and just started testing and the school year ended. By then...
Brent Selleck
selleck999
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Apr 22, 2006
4:37 am
1302
I have'nt tried either... As far as I know about the meg, what is important is to get fast switching. Faster you go, the better it should be (as said in the ...
ccool_j
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Apr 26, 2006
12:19 pm
1303
Hi, it's me again, I have some updates and some graphics. Theses graphics show one of my biggest challenge into understanding and making work the MEG. This...
ccool_j
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Apr 26, 2006
12:19 pm
1304
... the real ... Bearden told ... but the ... beyond the ... secondaries was ... the key ... the core ... errant ... it's so ... Thank you for your insight on...
ccool_j
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Apr 26, 2006
12:20 pm
1305
You point out one the more interesting aspects to all of this... the ability to measure what's really going on... I sell robotic lawn mowers that use a ...
Brent Selleck
selleck999
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Apr 26, 2006
7:53 pm
1306
... As the core goes into saturation, the field will be less contained in it, so if good things happen when saturation occurs, it refutes the idea that high...
ey930
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May 5, 2006
1:54 pm
1307
In looking at your output waveforms, it appears that your MEG is still a "Biased transformer". Note the skewed output waveform. Try changing the input...
Norm Fletcher
fletchmo47
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Jun 4, 2006
3:15 pm
1308
On Sun, 04 Jun 2006 05:56:48 -0000 "Norm Fletcher" <fletchmo47@...> wrote ... I have 2 comments, for which I hope to see a reply: Since the core is...
Wayne Robey
ey930
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Jun 8, 2006
2:30 pm
1309
Hello How a local saturation is it possible in the MEG, whereas there is an analogy between the magnetic circuit and the law of ohm, in particular the law of...
nellounia
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Jul 8, 2006
4:49 am
1310
Hello all, I have compiled a rudimentary drawing of a MEG with mechanical actuators at, http://users.tpg.com.au/rauli/MEG_with_Mechanical_Actuators.gif that...
rauli_tech
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Jul 19, 2006
7:18 pm
1311
... secondary on it's leg. You can see this clearly in old TV fly-back transformers. Could this secondary resonance be what you are tuning for? OK Let me see...
Norm Fletcher
fletchmo47
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Jul 19, 2006
7:20 pm
1312
Very well said.... and I await your results eagerly... ... From: "Norm Fletcher" <fletchmo47@...> To: <MEG_builders@yahoogroups.com> Sent: Tuesday,...
Brent Selleck
selleck999
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Jul 21, 2006
3:15 pm
1313
... The model of the Aharanov-Bohm effect for magnetics goes something like this: If you have an infinitely long inductor with varying flux inside and no...
Norm Fletcher
fletchmo47
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Jul 26, 2006
4:05 pm
1314
... I believe you are looking for Metglas http://www.metglas.com...
YoTango
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Jul 26, 2006
10:10 pm
1315
Hi guys I agree with the idea that driving a coil to impede the flux path is a difficult task. I have worked with dc brushless motors and the motor stator...
Dave
dv_fixit
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Aug 25, 2006
1:07 pm
1316
Hi, i am italian builder of MEG (first 2002) and i have a theory of it. The site(http://xoomer.alice.it/sandro_meg/) is in italian language but you can...
duffy70re2000
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Sep 4, 2006
4:02 am
1317
Hey Stan, I'm new to the MEG itself, but I have a wide variety of electrical experience working in various sections. I thought this information might be of...
Andrew
thewaterengine
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Oct 12, 2006
6:07 pm
1318
Hey Dan, I'm new to the MEG, but looking at http://jnaudin.free.fr/meg/megv21.htm it seems like a goer! I got in contact with the company that supplies the...
Andrew
thewaterengine
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Oct 12, 2006
6:08 pm
1319
Hi Andrew, I have enquired to Metglas about getting sample cores. Thank you for the update on the cost of the core from the distributor. I rather fancy getting...
Rob King
k1ngrs
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Oct 16, 2006
5:33 am
1320
Hello everybody!I'm new into this MEG stuff,so I need some help.. I have finnaly acquired some parts for MEG(that would be an magnet and an core operating on...
mcpingvin
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Oct 16, 2006
3:44 pm
1321
@All I have strong evidence that non-electrical magnetic cores will not exhibit the "free energy." Therefore most ferrite cores will not work. Iron powder...
softwarelabus
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Oct 16, 2006
7:20 pm
1322
Hi Paul, interesting stuff. In looking into it a little further, I also see that Harold Aspden mentions the magnetocaloric effect as a part of his work. It...
richar18
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Oct 17, 2006
11:15 pm
1323
Hi richar18, There are several methods. Method #1 is the easiest. Normally MCE (magnetocaloric effect) heats up, cools down, etc. In electrical conductors such...
softwarelabus
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Oct 18, 2006
4:11 am
1324
You know, it appears as if nature may have fooled us into incorrectly calculating the heat energy of the iron after magnetization. Read on to find out why. ...
richar18
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Oct 18, 2006
4:12 am
1325
Hi richar18, The energy contained in the magnetic field of a magnetized core is not represented by the energy consumed by the coil/circuit. For example, ...
softwarelabus
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Oct 19, 2006
2:36 am
1326
Sorry, I meant the entropy of the sample TRIES to DECREASE when the field is applied. However if the conditions are adiabatic, the entropy does not change due...
richar18
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Oct 19, 2006
2:38 am
1327
Hi richar18, You have math errors in one of your previous posts. First, the energy in a magnetic field is B*V/(2*u0) B is in Tesla's, V=cubic meters, u0 is...
softwarelabus
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Oct 19, 2006
3:00 pm
Messages 1298 - 1327 of 1372   Oldest  |  < Older  |  Newer >  |  Newest
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