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2023-12-06, 18:45:39
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Author Topic: Samsung Generator project  (Read 2788 times)
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To start the ball rolling for this Samsung generator project, this is a circuit idea I’ve been kicking around for awhile.

It’s a twofer.

Pulse one inductance, which could be a generator exciter winding or perhaps a pulse motor, and use the inductive collapse to power a second generator or pulse motor in the same manner.

Does the circuit demonstrate OU? You tell me…  Suggestions are welcome.

The Ltspice file is attached.



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'Tis better to try and fail than never try at all
   
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Cadman,

If you check the peak currents in L1 and L2 and then calculate their peak energy levels along with the energy required to charge L1, you will come up with a COP<1.  You have in essence an energy shuttle from  L1 to L2 and in this case there does not appear to be any energy gain mechanism unless I'm missing something.

Regards,
Pm 
   
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That’s right, no energy gain. But, what I see is a way to apply a very short DC pulse into an inductance and turn it into a magnetic field of much longer duration in a second inductance. L2 and C1 are just recycling the bemf current but that cycle lasts a long time which is effectively the same as if a long DC pulse was being applied to L2. Just the sort of thing you want for an electric motor, or perhaps a transformer.

I suppose you could do the same thing with coil shorting but this does it with a few simple components, and L1 could be be a separate device rather than just a choke.

It has possibilities IMHO. L1 & L2 happen to be the measured values of one of the phase windings in the Samsung motors I have.



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'Tis better to try and fail than never try at all
   
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Ah yes, I see your point!

Pm
   
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So in a sense we don’t get extra electrical energy but we do get extra electromagnetic energy duration.

Furthermore, with an eye toward looping the system, if the Samsung motor/generator can be motored in this manner, and I don’t see why not, the generator output can be used to charge a cap that in turn would supply the pulse to L1.

Everyone that I have seen collects the generator bemf into a cap and fires it directly into the motor or adds it to the battery input and then fires it to the motor. That takes a lot of joules and none of them self-run. By using this method the generator output can be used to charge a much smaller cap to re-trigger the pulse, saving a lot of joules and perhaps open the door to a self runner.




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'Tis better to try and fail than never try at all
   

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there is nothing surprising here - the inductance L2 is less than L1, therefore the current amplitude is higher.
How to find the energy stored in an inductor? According to the following formula:
ML = I^2 * L / 2
If losses are not taken into account, then
ML=I(L1)^2 * L1 / 2 = I(L2)^2 * L2 / 2
From here
I(L1)^2 * L1 = I(L2)^2 * L2
Further
I(L2) = I(L1) * sqrt(L1 / L2)
Therefore, if L2 < L1, then L1 / L2 > 1, and I(L2) > I(L1).
Let's reduce L2 to, say, 10mH and the difference in amplitudes will be noticeable to the naked eye.
However, the energy from this no larger becomes.  :(
   
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Hi chief,

I think you're missing my point, which is

That’s right, no energy gain. But, what I see is a way to apply a very short DC pulse into an inductance and turn it into a magnetic field of much longer duration in a second inductance. L2 and C1 are just recycling the bemf current but that cycle lasts a long time which is effectively the same as if a long DC pulse was being applied to L2.

Everything in the circuit affects everything else. Inductances, cap values etc. Make the two inductances equal and the current drops about 100ma in L2. The cap size in the circuit limits the voltage level of the bemf spike. Play around with the values if you want and you'll see.

But if it ends up being a dead end, well, it wouldn't be the first one.



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'Tis better to try and fail than never try at all
   

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Aha. It's clear.
 :)
   

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..., what I see is a way to apply a very short DC pulse into an inductance and turn it into a magnetic field of much longer duration...
The same can be achieved by shorting the inductance after applying a very short pulse to it.  If the inductance is ideal then the magnetic field generated by it and the current in it, will persist forever.
   

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Enjoy your trek through life but leave no tracks
The same can be achieved by shorting the inductance after applying a very short pulse to it.  If the inductance is ideal then the magnetic field generated by it and the current in it, will persist forever.
Yes Don smith spoke about this in his (back in his video in   1994 a telephone tech talk after his illness it was on youtube
in one of Ruslans YouTube account, unfortunately it has been deleted and so has his thread in the Don Site on youtube.

Sil
« Last Edit: 2023-12-05, 17:32:41 by AlienGrey »
   
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