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Author Topic: Akula0083 30 Watt Self Running Generator.  (Read 1269602 times)

wattsup

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Re: Akula0083 30 Watt Self Running Generator.
« Reply #1200 on: May 07, 2014, 02:33:22 PM »
The AC-coupling capacitor is probably the physically largest one in the front-end. It will be a good poly-film type of 300 V or more. Do you have the Service Manual for the scope, or a link to a digital version?

Now, I'll try again: I am asking questions for a reason. If you actually answer the questions I and other people actually ask, we might get somewhere.
1. Again: was the channel2, the one with the problem, set to AC coupled, or DC coupled?
2. What happens when you hook the Channel A2 probe to the sig gen, through a 0.1 uF coupling capacitor? Probe tip to cap, cap to FG.

@TK

Thank for your kind patience. ChB is the problem because my other scope coincides with the channel A readout, so I know it's ChB and regardless of A or B or both being AC/DC, DC/CA, AC/AC or DC/DC the problem does not change, the only difference between AC and DC is that in AC, the waveform moves up to their respective zero X axis points on the screen, but the signal strength shows the same divergence when they should be identical.

I am showing you two images of the CHb on the calibrate pin and ground. The am also showing the vpp, vrms and the freq. In the second shot with the 0.1M cap (100n) I had to bring up the zero point by 2 divisions to have the waveform in the screen from where it was for the first shot but both are generally showing the same thing, no difference.

I also put up a shot of the CHA and CHB entry point on the scopes circuit board. The ChB is the left (center of photo) and ChA is the right (top of photo). I have not seen any apparent damage to the components on either side and there is no big capacitor there to consider.

I have not found the schematic for this scope yet but will keep looking. It is a HP-54645D. The problem occurs when I go above 5KHz the waveform B is about 1/10th that of ChA.

Thank again for your looking into this. Got to leave for work so I'll check in from there later on.

wattsup


starcruiser

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Re: Akula0083 30 Watt Self Running Generator.
« Reply #1201 on: May 07, 2014, 04:14:21 PM »
looking at the PCB pix, it seems that they are using relays to switch the input, the yellow blocks (one is labeled K5) can you trace the input path on the PCB? This will tell you which components are in path. It is possible that the relay might have some contact issues (carbon) which would impact your readings. I would also look at the trimmer cap to the left as well. Finding a schematic would be a huge help in fixing the scopes input.

BTW the sq wave signal you are showing has a little tilt, still showing roll off, the top pix. the next one seems to look better but you can adjust it to the graticule line to check that.

edit: just found this, perhaps can assist?

http://www.manualslib.com/manual/529230/Agilent-54645a.html

JohnnBlade

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Re: Akula0083 30 Watt Self Running Generator.
« Reply #1202 on: May 08, 2014, 05:17:19 AM »
Hi All,

I added some more details to the circuit from Akula0083, hopefully some of yall can fill in the blanks.
And check for improvement.

I will still be trying to add more info, but this is what i got now, cause many other circuit did not add up.

The components values i will add after some more reverse enginering, if you know the values then you can add that to the picture, and like that we can complete it together and test the circuit.

Values with an x infront means i wasnt sure how the mosfet driver was connected or how that part was properly connected, but i think i got most of it.

I am missing 2 diodes at the bottom mosfet driver, and a resistor next to C3

Hope it makes some sence to yall : )

Here is a draft on youtube
http://youtu.be/7yJytHhudX8

Greets JB




EMJunkie

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Re: Akula0083 30 Watt Self Running Generator.
« Reply #1203 on: May 08, 2014, 07:17:14 AM »
Off topic guys! Throw that over in the Scope Repair thread please.


@All,

I can confirm some unusual effects from using a Phase Shifted Pulsed DC into the two coils on the Input. My Post below shows How I have done it thus far.


@All,

I have found a way to produce the signals we need. Its quite cost efficient, doesn't require lot of time and is easy. Its very flexible and should be very easy to implement.

What's in your Tool Kit?
Most of us have been using Microcontrollers, some have been using them for sometime!

If your Tool Kit does not Include a Microcontroller them I highly recommend you start looking at it.

Microcontrollers - FEZ Hydra
I have programed a FEZ Hydra to produce the signals we need! Initially I did not think it would be possible due to CPU PWM Frequency Limitations. I am having stray inductance issues at high frequency but its not too bad considering.

Its early days in this endeavour and lots of improvements can be made. The point is that the signals are there, they are good for High Frequency with a little tiding up we could make big improvements.

If enough are keen then I can move forward and show others how to do it.

Advisory
I don't recommend anyone rush out and purchase a FEZ Hydra at this point in time! Its early and this path of investigation may not result in what we are after. For those that don't have a FEZ Hydra already that is! If you have a FEZ Hydra sitting around and have not used for a while then let me know and we can start some very simple experiments.

NOTE: If you're new to the FEZ Hydra, it can be a little problematic and in the past has had a ton of issues. Most issues are now fixed which is good!

All the Best

  Chris

The output coil Pulses with the Standing wave that is created. Its also in and around the same range or frequencies that I have confirmed on the video, Akula was around 7KHX and mine is at about 5 KHz at the moment.

I can see a definite standing wave created on the scope and its apparent in the Load as a Pulsing flash on the Light. Its not overunity yet but there is something there.

All the Best

  Chris

EMJunkie

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Re: Akula0083 30 Watt Self Running Generator.
« Reply #1204 on: May 08, 2014, 02:16:07 PM »
Hi Everyone,

I found today what I believe to be possibly the most important piece of information I have ever seen Akula write down:

The difficulty is to wind the coil so that the inverter current induction field generated will not interfere with transistors or thyristors forming a 220 volt 50 hertz. here invent what you want want want shakes bifilar stavte intermediate trans.

The Full Text:
цитата автора:akula0083: "собирайте простой преобразователь 12-220, 24-220, 36-220..... ну кому как удобно или у кого какие радио детали есть.
трансформатор поместите вовнутрь поля создаваемое индуктором от простой индукционной схемы. для весомого результата поле должно иметь силу которое может нагревать металлический предмет равный по размерам трансформатору преобразователя !То есть это наблюдение из собственного опыта берем кусок железа примерно того же размера как наш трансформатор на котором собран преобразователь и помещаем его в индуктор включаем индукционную так сказать печку и если металл нагреваеться достаточно быстро ну где-то за 120 секунд его уже становиться сложно держать в руках все будит работать
Сложность в том чтобы намотать обмотки преобразователя так чтобы ток создаваемый индукционным полем не мешал работе транзисторов или тиристоров формирующих 220 вольт 50 герц. вот тут придумывайте как хотите хотите мотайте бифиляры хотите ставте промежуточный транс.
Видео от сюда автор: akula0083: https://plus.google.com/u/0/103786798...
видео от сюда http://video.yandex.ru/users/akula0083/
копии видео от сюда: http://www.youtube.com/watch?feature=...
копии видео от сюда: http://www.youtube.com/watch?v=7C4yEA...
канал с копиями видео:http://www.youtube.com/user/131313den...
skype akula0083

ФОРУМ ОБСУЖДЕНИЯ УСТРОЙСТВА: http://realstrannik.ru/forum/39-kapan...

I am going to say that this does in fact relate to the work of Paul Raymond Jensen. Anyone following this? I believe once who ever is following does in fact put this together, we will have a winning combination.

All the Best

  Chris


Vortex1

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Re: Akula0083 30 Watt Self Running Generator.
« Reply #1205 on: May 08, 2014, 04:33:12 PM »
John Blade

Thank you for your excellent work in tracing the circuit. You may be interested in what I wrote in this thread:

http://www.overunityresearch.com/index.php?topic=2420.msg38379#msg38379

If you can check your board against the attached schematic it would be helpful, as I believe this schematic is the correct one. You can see the erase marks where the corrections were made, when comparing it to the original 1st version hand drawn schematic. The other cleaned up schematics have at least 3 serious errors.

BTW, things are getting quite confused with all the Akula versions. Perhaps the administrator could start a thread called "Akula Dual TL494 Device" and move all the appropriate stuff there.

The scope troubleshooting stuff should also go elsewhere, as it is a derail.

JohnnBlade

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Re: Akula0083 30 Watt Self Running Generator.
« Reply #1206 on: May 08, 2014, 05:38:53 PM »
John Blade

Thank you for your excellent work in tracing the circuit. You may be interested in what I wrote in this thread:

http://www.overunityresearch.com/index.php?topic=2420.msg38379#msg38379

If you can check your board against the attached schematic it would be helpful, as I believe this schematic is the correct one. You can see the erase marks where the corrections were made, when comparing it to the original 1st version hand drawn schematic. The other cleaned up schematics have at least 3 serious errors.

BTW, things are getting quite confused with all the Akula versions. Perhaps the administrator could start a thread called "Akula Dual TL494 Device" and move all the appropriate stuff there.

The scope troubleshooting stuff should also go elsewhere, as it is a derail.


Thnx Vortex!

I have opened a new thread for the dual tl494
http://www.overunity.com/14610/akula0083-light-no3-dual-tl494/new/#new

There we can play with the dual TL494 :)

I also signed up at realstrannik.ru to see if i can provoke Akula himself :p


JohnnBlade

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Re: Akula0083 30 Watt Self Running Generator.
« Reply #1207 on: May 08, 2014, 05:47:19 PM »
That hand drawing from Abtop, is wrong it has a mosfet driver by the first mosfet, that is the circuit for the one with that step down thing from the first movie, it is not the same.

Greets JB

EMJunkie

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Re: Akula0083 30 Watt Self Running Generator.
« Reply #1208 on: May 09, 2014, 01:11:17 AM »
@All,

Yes I believe this is right, the schematic mentioned above, which we have been referencing as 'Grandfather Scheme 2' which was the original name of the schematic when posted here, is of the Akula0083 Lantern No#3 revision 1. It appears to be the next version after the one with the external Switch Mode Power Supply.

All the Best

  Chris

EMJunkie

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Re: Akula0083 30 Watt Self Running Generator.
« Reply #1209 on: May 09, 2014, 01:27:51 AM »
@All,

I would like to propose the possibility of the Lantern No#3 circuit working as an over complicated H-Bridge or correctly, a Half H-Bridge.

If the Coil that was actually the input coil was in fact being driven with a series Resonant LC Tank via an overly complicated H-Bridge, or correctly, a Half H-Bridge then this may explain the fact that the 9 Volt Battery (only capable of providing a few milliamps) could have started the device.

A Dual TL494 Half H-Bridge circuit is provided below for comparison.

Maybe we are looking at this all wrong.

All the Best

  Chris


EMJunkie

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Re: Akula0083 30 Watt Self Running Generator.
« Reply #1210 on: May 09, 2014, 02:36:45 AM »
Hi All,

I want to show why I say Series Resonant and not Parallel Resonant, some may not see the difference and there is a big difference:

Series Resonance: Circuit impedance is minimum.
Parallel Resonance: Circuit impedance is maximum.

See: -->LC circuit<--

By Resonating the Circuit we can see a lot of things, Sine wave and not a square wave across the coils, minimum input is needed to start the circuit, other things like Time constants on the coils and so on.

I hope this helps.

All the Best

  Chris

P.S: In Diagram 3 I have shown that each of the other circuits (Diagram 1 and 2) have this same added capacitance of 1000uF not shown in Diagram 1 and 2.




EMJunkie

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Re: Akula0083 30 Watt Self Running Generator.
« Reply #1211 on: May 09, 2014, 03:39:32 AM »
Hi Everyone,

If one could imagine, the wave would look something like the below picture. The Arrows indicating Peak charge in the Run Caps, 1000uF and 2200uF shown above. The wave would then be falling off, Diodes then conduct...

All the Best

  Chris

P.S: This wave is Bi Polar and of course we would not get this wave, only half of it!

EMJunkie

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Re: Akula0083 30 Watt Self Running Generator.
« Reply #1212 on: May 09, 2014, 04:10:06 AM »
@All,

I have uploaded 10 more Videos up to -->Akula Vids<--

All the Best

  Chris

havuhung

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Re: Akula0083 30 Watt Self Running Generator.
« Reply #1213 on: May 09, 2014, 06:03:31 AM »
Hi All, Hi EMJunkie

Very good job of analyzing circuits.
Now comes the selection of the ferrite core, ferrite core of the flyback from television and computer monitor, I found that they contained materials are not the same! . .

d3x0r

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Re: Akula0083 30 Watt Self Running Generator.
« Reply #1214 on: May 09, 2014, 07:48:50 AM »
Dual TL494; now see that's easy :)
the lower one's an or gate; or 2x pulses
probably set for short pulses


I assume the bottom one is intended to be a higher frequency that the top... it drives the lower inductance also...


The main flow must happen through the pickup coil and 3 diodes... so it's not nessecarilly keeping positive, but forcing the ground side low....


reds are the 'hot sides' of caps, current flows towards them (if current flows away from them, they become hotter)


the 1000 uf near the power input (batter jump) and the 2200uf at the three diodes are in parallel actually... (with a switch between them, but the switch also breaks the 3 diode rectifier)


I guess what drives the current flow at the top is the forward emf of the 13(?) wind coil at top...
which with decreasing current could hopefully make the pickup coil create a flow in the proper direction...


(sorry to scribble all over it)


The bottom left; there's a 'Q2' I think with a 'g5%' .. is that 95?  85?  I'm guessing 9...