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Author Topic: 3v OU Flashlight  (Read 387125 times)

Offline avalon

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Re: 3v OU Flashlight / resonance in ferrite cores
« Reply #615 on: May 22, 2014, 04:38:09 AM »
Hi Avalon,

Have you loaded the output coil with say a 10 kOhm or any suitable resistor? I would like to know what voltage level remains from the 560Vpp voltage and presently I have no means to repeat such test.  In your video the load was the 10x probe input impedance (maybe 10 MOhm//15 pF), right?  (the 5.1 Ohm resistor was floating in the air)

Thanks,  Gyula

@12k load - 78 V p-p (12.00V 10 mA)
@1K - 18V p-p (12.00V 9 mA)

~A

Update: With a 1K load the frequencies have changed. Now I have got the proper resonance back to [roughly] the same levels as before:
@1k load - 460 V~ p-p, (36V Cyc RMS), 12v 0.2A. No capacitors connected yet.

I am now sure I can get much better readings once the coils are LC tuned.

~A

« Last Edit: May 22, 2014, 07:23:37 AM by avalon »

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Offline TinselKoala

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Re: 3v OU Flashlight
« Reply #616 on: May 22, 2014, 05:09:43 AM »
Got any NE2 neons?



Offline yfree

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Re: 3v OU Flashlight / resonance in ferrite cores
« Reply #617 on: May 22, 2014, 05:24:20 PM »
Update: With a 1K load the frequencies have changed. Now I have got the proper resonance back to [roughly] the same levels as before:
@1k load - 460 V~ p-p, (36V Cyc RMS), 12v 0.2A. No capacitors connected yet.

I am now sure I can get much better readings once the coils are LC tuned.

This is excellent work, Avalon.
Would you  be kind enough to explain the role of the toroidal coil in your setup?
Thank you.

Free Energy | searching for free energy and discussing free energy

Re: 3v OU Flashlight / resonance in ferrite cores
« Reply #617 on: May 22, 2014, 05:24:20 PM »
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Offline avalon

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Re: 3v OU Flashlight / resonance in ferrite cores
« Reply #618 on: May 22, 2014, 09:39:23 PM »
Would you  be kind enough to explain the role of the toroidal coil in your setup?
Just a choke.

~A

Offline gyulasun

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Re: 3v OU Flashlight / resonance in ferrite cores
« Reply #619 on: May 22, 2014, 11:09:07 PM »
@12k load - 78 V p-p (12.00V 10 mA)
@1K - 18V p-p (12.00V 9 mA)

~A

Update: With a 1K load the frequencies have changed. Now I have got the proper resonance back to [roughly] the same levels as before:
@1k load - 460 V~ p-p, (36V Cyc RMS), 12v 0.2A. No capacitors connected yet.

I am now sure I can get much better readings once the coils are LC tuned.

~A

Thanks for testing it.  I think when the load resistor was 1 kOhm, the input current draw went up towards the 200 mA because of the normal  transformer operation (coils are on a common closed core).
If I saw correctly in the video, the core resonance occured around 17 kHz, right? 
Have you considered putting the transformer core onto a light, elastic material like a piece of sponge to support it, instead of the glass? I mean the mechanical amplitude at core resonance may get damped on the hard surface of glasstop, though the insulating tape you wrapped up the coils may help to avoid damping.

Gyula

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Re: 3v OU Flashlight / resonance in ferrite cores
« Reply #619 on: May 22, 2014, 11:09:07 PM »
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Offline avalon

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Re: 3v OU Flashlight / resonance in ferrite cores
« Reply #620 on: May 23, 2014, 12:23:37 AM »
Thanks for testing it.  I think when the load resistor was 1 kOhm, the input current draw went up towards the 200 mA because of the normal  transformer operation (coils are on a common closed core).
If I saw correctly in the video, the core resonance occured around 17 kHz, right? 
Have you considered putting the transformer core onto a light, elastic material like a piece of sponge to support it, instead of the glass? I mean the mechanical amplitude at core resonance may get damped on the hard surface of glasstop, though the insulating tape you wrapped up the coils may help to avoid damping.

Gyula
The resonance does not occur @17 kHz per se. It is not a specific frequency that is important but a combination of frequencies to which a core is subjected.
The latest results (with a 1k load) showed that the resonance is so sensitive to frequencies that a 0.5Hz difference between frequencies was critical.

As far as the actual core is concerned, I prefer it like it is. I  am also studying the effect of the air gap on resonance and need the core easily accessible.

~A

The resonance that I am observing is very much like a MNR resonance except that I am not reading a electromagnetic radiation response from nuclei in magnetic field but rather a complex response from magnetic domains in initial magnetic field.

I am not quite ready to explain he effect in full but it is clear that a right combination can be found on different sets of frequencies.





Offline d3x0r

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Re: 3v OU Flashlight / resonance in ferrite cores
« Reply #621 on: May 23, 2014, 12:29:48 AM »
The resonance does not occur @17 kHz per se. It is not a specific frequency that is important but a combination of frequencies to which a core is subjected.
The latest results (with a 1k load) showed that the resonance is so sensitive to frequencies that a 0.5Hz difference between frequencies was critical.

As far as the actual core is concerned, I prefer it like it is. I  am also studying the effect of the air gap on resonance and need the core easily accessible.

~A

The resonance that I am observing is very much like a MNR resonance except that I am not reading a electromagnetic radiation response from nuclei in magnetic field but rather a complex response from magnetic domains in initial magnetic field.

I am not quite ready to explain he effect in full but it is clear that a right combination can be found on different sets of frequencies.
I feel that information is useful for the Dual TL494 people.


Free Energy | searching for free energy and discussing free energy

Re: 3v OU Flashlight / resonance in ferrite cores
« Reply #621 on: May 23, 2014, 12:29:48 AM »
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Offline semenihin-77

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Re: 3v OU Flashlight
« Reply #622 on: May 23, 2014, 05:53:31 PM »
Это видео демонстрирует тот эффект что я использовал в фонарике.
This video demonstrates the effect that I used a flashlight.

http://www.youtube.com/watch?v=bdPgIQoFaq0

Offline avalon

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Re: 3v OU Flashlight
« Reply #623 on: May 23, 2014, 07:01:43 PM »
Это видео демонстрирует тот эффект что я использовал в фонарике.
This video demonstrates the effect that I used a flashlight.

http://www.youtube.com/watch?v=bdPgIQoFaq0
One coil?
You mentioned that you scope is connected to the power line. Is it in line with the coil? Would you mind to show the schematics?
In any case, very peculiar indeed.

~A

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Re: 3v OU Flashlight
« Reply #623 on: May 23, 2014, 07:01:43 PM »
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Offline TinselKoala

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Re: 3v OU Flashlight
« Reply #624 on: May 23, 2014, 07:17:47 PM »
How much power is your signal generator providing to the circuit?

You do know that the voltmeter on your power supply will read the voltage across the output terminals... regardless of whether the voltage is coming from the supply, or from the circuit, right?

So I think your PSU is set to provide the lower voltage, and when you have it hooked to the circuit, it's reading the higher voltage injected by the function generator, or stored in the capacitors. Or perhaps you have one of many different kinds of possible groundloops. Who really knows what is grounded to what, and what is connected together by the scope's ground leads and the PSU's negative output. In my laboratory, I know, and I can isolate the FG and the scope if necessary.


ETA: I have just confirmed this with my FG (Interstate F43) and my main PSU (Topward 6306D).  Hooking the output of the FG directly to the output of the PSU, Red FG output to positive, Black FG (shield, ground, isolated) to negative, PSU set to zero voltage output, FG set to produce positive square wave at 1000 Hz. The Digital Voltmeter on the PSU reads the voltage supplied by the FG, even though the PSU is set to make zero voltage of its own. When the PSU is cranked up to make some voltage (careful here!) the meter indicates the higher of the PSU's set voltage and the voltage output of the FG.

Offline magpwr

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Re: 3v OU Flashlight
« Reply #625 on: May 23, 2014, 07:36:34 PM »
How much power is your signal generator providing to the circuit?

You do know that the voltmeter on your power supply will read the voltage across the output terminals... regardless of whether the voltage is coming from the supply, or from the circuit, right?

So I think your PSU is set to provide the lower voltage, and when you have it hooked to the circuit, it's reading the higher voltage injected by the function generator, or stored in the capacitors. Or perhaps you have one of many different kinds of possible groundloops. Who really knows what is grounded to what, and what is connected together by the scope's ground leads and the PSU's negative output. In my laboratory, I know, and I can isolate the FG and the scope if necessary.

hi TinselKoala,

It looks like 1098hz square wave signal being fed into circuit which is switched by a transistor with it's own frequency for mini transformer and step up voltage to 8.9xvolts.
I am unable to spot ou for this one unless it is a "power amplifier" with a ? in my head yet again.




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Re: 3v OU Flashlight
« Reply #625 on: May 23, 2014, 07:36:34 PM »
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Offline semenihin-77

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Re: 3v OU Flashlight
« Reply #626 on: May 23, 2014, 07:38:52 PM »
Сами попробуйте, генератор управляет только ключом. Не оказывает влияние на схему и выход своим напряжением.
Держите резонанс и увидите много гармоник , выбирайте ту,  что дает больше амплитуды.

Try yourself, generator controls only key. No effect on the circuit and its output voltage.
Keep resonance and see a lot of harmonics, choose the one that gives more amplitude.


Offline avalon

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Re: 3v OU Flashlight
« Reply #627 on: May 23, 2014, 07:57:06 PM »
Сами попробуйте, генератор управляет только ключом. Не оказывает влияние на схему и выход своим напряжением.
Держите резонанс и увидите много гармоник , выбирайте ту,  что дает больше амплитуды.

Try yourself, generator controls only key. No effect on the circuit and its output voltage.
Keep resonance and see a lot of harmonics, choose the one that gives more amplitude.
Thank you.  Very kind of you.
I am definitely going to try this.
One last question re this setup. Have you tried different capacitor? How would the resulting voltage change outside of the resonance? In other words, how important is the LC resonance in the secondary coil vs ferrite resonance?

~A

Offline TinselKoala

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Re: 3v OU Flashlight
« Reply #628 on: May 23, 2014, 08:00:13 PM »
I just shot a video demonstrating the PSU reading the FG output voltage, it will be ready in a few minutes. Anything connected to the PSU's output terminals that provides a voltage will show up on the PSU's meter. If some capacitor in the circuit is charged, by the PSU or FG, to 8 volts, then the meter will read that voltage. When the circuit is disconnected, the PSU's meter reverts to showing the unit's set voltage.

Meanwhile, here's a video showing that a mosfet Gate capacitance does pass power from an AC or oscillating signal to the Drain and/or Source pins of the mosfet. IOW, your FG driving only the Gate of a mosfet can indeed be providing power to the circuit.


http://www.youtube.com/watch?v=PKF1r6vwUpI

ETA: You can insure that the FG does "not" pass any power to the circuit through the mosfet Gate by using an optoisolator. Curiously.... putting a Gate signal optoisolator into circuits like these often makes any "OU" effect go away, though. I wonder why that is.....

Offline semenihin-77

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Re: 3v OU Flashlight
« Reply #629 on: May 23, 2014, 08:07:00 PM »
Thank you.  Very kind of you.
I am definitely going to try this.
One last question re this setup. Have you tried different capacitor? How would the resulting voltage change outside of the resonance? In other words, how important is the LC resonance in the secondary coil vs ferrite resonance?

~A

Пробуйте любые, какие понравятся , работает на всех частотах. Главное максимум амплитуды выжать при базовом питании.


Try any of which like to work on all frequencies. Main squeeze the maximum amplitude at the basic nutrition.

 

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