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Author Topic: Seeking OverUnity through Resonant Inductive Coupling  (Read 21658 times)

Offline gyulasun

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Re: Seeking OverUnity through Resonant Inductive Coupling
« Reply #30 on: October 01, 2019, 11:25:03 AM »
Hi gyulasun,

Here are the screen shots . . .
Hi CoastiRM2,

Thanks for the further scope shots. It looks like the 120 Ohm load is too heavy for a maximum power transfer match at the output, a higher value resistor should be used in the 680-720 Ohm range, considering say the 3.75 Vrms unloaded output voltage versus the 0.566 Vrms across the 120 Ohm. It is okay that the output voltage drops, the question is (you surely know this) that at a power match (when the output voltage drops to half at a certain higher than 120 Ohm load), how the power dissipated in that resistor compares to the input power.
It looks like the output impedance of your setup is roughly around 680-700 Ohm at the present output frequency.
It is very good the load does not affect the input. 
Do you use a function generator to drive directly the input or you use a switching device to drive the input and then this switching device is what you drive with a function generator?  I am curious whether the input signal could be provided by a dedicated low power pulse oscillator whose supply voltage would come from the rectified (and regulated) output voltage...  ;)   Of course this has sense only when the loaded output power is at least 1.2 times higher than the input (or around that).   

Gyula

Offline kolbacict

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Re: Seeking OverUnity through Resonant Inductive Coupling
« Reply #31 on: October 02, 2019, 07:03:22 AM »
There were a few years ago guys from ABHA Coil . What do you say about them? As I understand it, they had OU ?

Offline CoastieRM2

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Re: Seeking OverUnity through Resonant Inductive Coupling
« Reply #32 on: October 04, 2019, 05:15:00 PM »
Hi gyulasun,

What a hectic couple of days. Had to replace computer and now have two applications, which I heavily depended on, decide not to be compatible on new computer.  Uggggghhhh!

As per your last, been working on the load values which has always been of high concern with this design. As per your question regarding the input signal, it is being provided by a low power switching device that also allows some control over the frequency and number of channels being used. If I need to step the frequency up in excess of 100hz, a timing modification will be required.  Yes, the plan has always been to dedicate a portion of the output back for the purpose of powering the device which, in turn, explains the need to for a low, very stable, power input signal and low power electromagnets. Please keep in mind that while this device was designed specifically for research, flexibility in input signal frequency, number and sequence of input channels being used, strength and shape of electromagnetic field, polarity memory, and sufficient EMF were all given consideration. The actual construction of the device, as designed was, at times, a nightmare.  Choosing a pulsed DC signal seemed logical for the low power requirement but has created some mad math difficulty in calculating resonance. Currently, I am building my own variable inductors which is my priority.  I must get an output set of coils tuned to balance out the inductive reactance and the capacitive reactance within the frequency range of the controller.  I would not have been attempting this had I not read somewhere while researching resonance that Pulsing DC current can drive resonance. That is my next hurdle, so to speak, as I am extremely curious if my design will maintain an EMF at resonance.  If not, the alternative plan will be to back off the frequency a bit and keep it "near" resonance.

Cheers,

Offline gyulasun

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Re: Seeking OverUnity through Resonant Inductive Coupling
« Reply #33 on: October 06, 2019, 12:17:03 AM »
Hi CoastieRM2,

Just have it your way, and I did not mean any hurry. Thanks for the further details and I wish you good luck.

Gyula

Offline skycollection 1

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Re: Seeking OverUnity through Resonant Inductive Coupling
« Reply #34 on: October 06, 2019, 01:21:08 PM »
This is a new pancake coil, it's just an experiment, I don't have an oscilloscope to see more details, I hope it's useful.
https://www.youtube.com/watch?v=l4EWuEKWdxs&t=265s

Offline CoastieRM2

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Re: Seeking OverUnity through Resonant Inductive Coupling
« Reply #35 on: January 12, 2020, 03:45:29 PM »
Thought I'd do a progress report this morning . . . Been slow here, had to design and build some low frequency balancing and tuning inductors.  Process of mounting the inductors is well underway.  Once completed, will have 9 coil sets tuned to an inductive reactance value of 4.000mH.  Again, the thought process is to have all coil sets fall into resonance (or near resonance) simultaneously leaving the spinning magnetic field serve as the EMF to move electrons within the device.

Offline skywatcher

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Re: Seeking OverUnity through Resonant Inductive Coupling
« Reply #36 on: January 12, 2020, 04:02:12 PM »
Even if it doesn't work, it's a beautiful piece of art.   :)

Offline CoastieRM2

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Re: Seeking OverUnity through Resonant Inductive Coupling
« Reply #37 on: January 10, 2021, 05:04:23 AM »
Just a quick update here as I am busy reworking the device.  I have learned enough from the previous device to keep me encouraged in my endeavors.  Some disappointments but more positive results and I shall update when I have something to share . . .

Offline seychelles

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Re: Seeking OverUnity through Resonant Inductive Coupling
« Reply #38 on: January 30, 2021, 10:14:47 AM »

Offline CoastieRM2

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Re: Seeking OverUnity through Resonant Inductive Coupling
« Reply #39 on: February 20, 2021, 06:08:27 AM »
Just a quick update here as I am busy reworking the device.  I have learned enough from the previous device to keep me encouraged in my endeavors.  Some disappointments but more positive results and I shall update when I have something to share . . .
Having to re-design and build a stronger coupling.

Offline Solhi

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Re: Seeking OverUnity through Resonant Inductive Coupling
« Reply #40 on: October 30, 2021, 02:31:05 AM »
Just a little hint. Download the Don Smith pdf and I think you will find all your answers there regarding an L1 resonant powering several L2's in a simple way