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Author Topic: Confirmation of OU devices and claims  (Read 190560 times)

Offline AlienGrey

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Re: Confirmation of OU devices and claims
« Reply #360 on: May 02, 2019, 11:42:36 PM »
Tinsel, if it's any help Donald Smith's original device he was selling, I've seen that device he was selling years ago the original 2 coils and an oscillator it was a Royer OSC assembly.

'Anyone' or his mate 'Someone' or 'Someone else' can make there own.  ;D ;D
AG

Free Energy | searching for free energy and discussing free energy

Re: Confirmation of OU devices and claims
« Reply #360 on: May 02, 2019, 11:42:36 PM »

Offline Vortex1

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Re: Confirmation of OU devices and claims
« Reply #361 on: May 03, 2019, 02:30:19 AM »
seaad asked:

Quote
Vortex1 (all)
3) Does the the coupling factors or total energy transfer  be different  in this case maybe because we use a transmission (coupling) from
the coil part in a series resonance circuit (gen.)  to a parallel resonance circuit

  compared with (common radio)  parallel resonance circuit coupled to a parallel resonance circuit(s) ??

My guess is that they are equivalent

Regards Arne

You are correct, they are essentially equivalent. Because of the low output impedance of the signal generator current is basically injected into (by being in series with) the parallel resonant primary circuit.

In common radio tuning circuit, the parallel resonant circuit would provide an impedance match to the antenna and ground which uses to advantage the high impedance at resonance.

Regards

Offline seaad

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Re: Confirmation of OU devices and claims
« Reply #362 on: May 03, 2019, 11:22:21 AM »
Instead of a gate gate driver it's possible to use an impedance transformer
 I see some impedance mismatch at the secondary side too
see my suggestion

Regards Arne

Free Energy | searching for free energy and discussing free energy

Re: Confirmation of OU devices and claims
« Reply #362 on: May 03, 2019, 11:22:21 AM »
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Offline itsu

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Re: Confirmation of OU devices and claims
« Reply #363 on: May 03, 2019, 12:46:48 PM »
Heh... at that frequency you are most probably operating in a pure EM mode, so you don't have to worry about "real HV". You may find that you can achieve "supernova mode" close coupling that does not result in a 1/r2 falloff with distance (to a certain limit.) Your receivers seem to be essentially the same as used in my system. The main difference is that I use coils of much lower inductance (and hence less power-wasting in ohmic resistance) and autoresonating drivers, in this case a Royer oscillator:
https://www.youtube.com/watch?v=9x2YfA9LU5s

Hi TK,

yes i remember your experiments and the supernova mode.
Did you ever find out for sure what it caused?  (filament resonance?).

Itsu

Offline itsu

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Re: Confirmation of OU devices and claims
« Reply #364 on: May 03, 2019, 12:48:12 PM »
Instead of a gate gate driver it's possible to use an impedance transformer
 I see some impedance mismatch at the secondary side too
see my suggestion

Regards Arne


Arne,    you draw a parallel circuit, but i am using a series resonance setup for both RX and TX.
Itsu

Free Energy | searching for free energy and discussing free energy

Re: Confirmation of OU devices and claims
« Reply #364 on: May 03, 2019, 12:48:12 PM »
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Offline lancaIV

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Re: Confirmation of OU devices and claims
« Reply #365 on: May 03, 2019, 01:16:06 PM »

Offline seaad

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Re: Confirmation of OU devices and claims
« Reply #366 on: May 03, 2019, 01:22:41 PM »
Itsu
Ahaa! Ok. Then you can adjust the output resistor for best power and Q match.

But I assume that the voltage at the output is relatively small (but high Amp ) so You will loose much power in the diode bridge.

For best output match I rceommend a parallel circuit. Connect the bridge across the whole P-circuit and use a load resistor of a much higher value than 50 Ohms.
Now the bridge plus looad is not affecting the result and Q so much.

PS. lancaIV Thumbs up!

Regards Arne

Free Energy | searching for free energy and discussing free energy

Re: Confirmation of OU devices and claims
« Reply #366 on: May 03, 2019, 01:22:41 PM »
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Offline seaad

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Re: Confirmation of OU devices and claims
« Reply #367 on: May 03, 2019, 02:13:00 PM »

Offline Vortex1

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Re: Confirmation of OU devices and claims
« Reply #368 on: May 03, 2019, 04:06:34 PM »
Dear seaad

Thank you for the nice graph, which clearly shows the difficulty in getting high power transfer and overunity with loosely coupled coils.

Giving your impedance matching scheme some thought, it seems we are always in danger of blowing out the output stage on some of the lower cost generators, regardless of which direct drive scheme is used, current injection without matching transformer the circulating current can get large enough to fry the output stage. With impedance matching transformer, the voltage will get high enough to do damage.

All of this assumes the Q of the resonating system is very high. Better generators will include protection to limit current or clamp voltage.

Also, fortunately the internal 50 Ohm resistor will help to preserve the generator. I sometimes use a small incandescent lamp on the output of the generator for extra protection against over current or an external buffer stage.

FWIW
Regards

Free Energy | searching for free energy and discussing free energy

Re: Confirmation of OU devices and claims
« Reply #368 on: May 03, 2019, 04:06:34 PM »
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Offline gyulasun

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Re: Confirmation of OU devices and claims
« Reply #369 on: May 03, 2019, 05:22:44 PM »
Low power circuit device :
https://www.mdpi.com/1424-8220/19/9/1963
Hi lancaIV.

Thanks for the interesting link. 

For those members here who may need some more hints on what the relay resonator does:  its effect is very similar
to the role of using one (or more) antenna elements in a Yagi type antenna for instance. 
Say there is a two element Yagi antenna and a 3rd element is added, this way the antenna gain increases
in the main radiation direction. 
This means that this now 3 element antenna (fed by the same amount of input power) will insure higher field strength 
in the main radiation direction than the 2 element antenna insured previously (measured at the same given distance), 
while radiation will be decreased in most other directions. 

Here are two referenced articles from your link.  In the first link, Figures 12, 13 and 14 include measured 
energy transfer efficiencies.  Full paper text is available for payment only, unfortunately.   
https://www.semanticscholar.org/paper/General-Analysis-on-the-Use-of-Tesla%27s-Resonators-Zhong-Lee/6e41afe4ff78a0964106f076134b46417f3d7b0d 

EDIT: I found almost the same paper from the same authors above, this one is freely available here: 
  https://core.ac.uk/download/pdf/37985578.pdf     

Another referenced article discusses several aspects of wireless energy transfer, including efficiency too. 
This quote is useful here:     (WPT=Wireless Power Transfer)
"... Figure 3 shows the transfer efficiency of the different WPT techniques for near and far fields.
The inductive coupling technique achieves an energy transfer efficiency of 70–90%; it decreases with the
distance between primary and secondary coils. To perform such a high efficiency, accurate alignment between
primary and secondary coils is required [57].  Magnetic resonant coupling technique has a medium efficiency of
40–60% and also decays with distance. ..."

Here is the full paper:   
https://www.mdpi.com/1996-1073/10/7/1022/htm   

Gyula

Offline itsu

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Re: Confirmation of OU devices and claims
« Reply #370 on: May 03, 2019, 09:49:50 PM »

I completed the 1 TX and 5 RX coils and put them in an initial setup, see picture below.

I noticed that there is some boundery around the TX in which the 5 RX coils perform maximum and thats at about  3cm distance.

Getting them closer will reduce the combined powers (probably due to the TX resonance (Q) deteriorate), putting
them further away also reduce the combined powers (probably due to loss to distance).

Putting 1 RC coil closer by the TX coil will rapidly increase its power, but the power in the rest of the 4 RX coils will drop.


Rough measurement taken with my PS which only measures the gate driver input shows an input of 540mW:

P=UxI
P=9x0.06
P=540mW

Estimate the FG input to be 20mW, so the total input power will be around 560mW (to be confirmed).


Each RX coil will give about 1V across 51 Ohm, so 19.6mW:

P=U²/R
P=1²/51
P=19.6mW

So the 5 coils together consume 5 x 19.6 = 98mW.

Short video here:  https://www.youtube.com/watch?v=U2eUZOsuycY

I will do some further testing and measurements this weekend.

Regards Itsu

Free Energy | searching for free energy and discussing free energy

Re: Confirmation of OU devices and claims
« Reply #370 on: May 03, 2019, 09:49:50 PM »
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Offline itsu

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Re: Confirmation of OU devices and claims
« Reply #371 on: May 03, 2019, 10:24:37 PM »

Below screenshot shows a better input power measurement.

PS still at 9V, but now showing 0.07A (roughly 630mW).
The 5 voltmeters on the RX's show now in the 1.079 Volt range.

Measuring with the scope:

Purple: input voltage gate driver
green: input current gate driver
red:  math trace purple x green = input power
Blue is the input signal into the gate driver from the FG.

Itsu

Offline kolbacict

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Re: Confirmation of OU devices and claims
« Reply #372 on: May 04, 2019, 04:20:06 PM »
It turns out, each detector receiver consumes part of the transmitter power?
Will the ammeter switch on a large radio station, swing in a big way if I put on the headphones and adjust the variable capacitor to this frequency?

Offline Vortex1

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Re: Confirmation of OU devices and claims
« Reply #373 on: May 04, 2019, 08:16:10 PM »
It turns out, each detector receiver consumes part of the transmitter power?
Will the ammeter switch on a large radio station, swing in a big way if I put on the headphones and adjust the variable capacitor to this frequency?


Since you are only using microwatts of the 10kW to 100kW or more being transmitted, it will not be noticeable.

Offline itsu

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Re: Confirmation of OU devices and claims
« Reply #374 on: May 04, 2019, 09:49:39 PM »

Still doing some tests, but i cannot create more ouput in the receiver coils then stated earlier.

What i did notice with my hall sensor probe is that the max. RF coming from the TX coil is at its bottom, so the inverse as from a tesla coil.

The receiver coils are wired up the same way, so i guess they "expect" this max. RF at their bottoms too.
At least when i turn around a receiver coil its output decreases compared with its normal position.

Itsu

 

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