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Author Topic: Kapanadze Cousin - DALLY FREE ENERGY  (Read 7152577 times)

Offline starcruiser

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Re: Kapanadze Cousin - DALLY FREE ENERGY
« Reply #16920 on: March 22, 2017, 05:34:28 PM »
@NickZ, could also be the HV from the flyback as this is a tapped output which usually provides a couple thousand volts to drive the focus grid.

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Re: Kapanadze Cousin - DALLY FREE ENERGY
« Reply #16920 on: March 22, 2017, 05:34:28 PM »

Offline NickZ

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Re: Kapanadze Cousin - DALLY FREE ENERGY
« Reply #16921 on: March 23, 2017, 02:10:58 AM »
   I just posted a new video on youtube. Please look for it under my name Nick Zec.
   I can't post a link to it.
   Showing the TL494 and mosfet drivers on the scope.
   Let me know what you think.
   Dated March 22

Offline TinselKoala

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Re: Kapanadze Cousin - DALLY FREE ENERGY
« Reply #16922 on: March 23, 2017, 06:48:50 AM »
   I just posted a new video on youtube. Please look for it under my name Nick Zec.
   I can't post a link to it.
   Showing the TL494 and mosfet drivers on the scope.
   Let me know what you think.
   Dated March 22

Why can't you post a link? I hope you don't mind if I do:
https://www.youtube.com/watch?v=TlzBKNOth94

Two comments:
First, when you adjust the Frequency pot to give more cycles on the screen you are _raising_ the frequency, not lowering it. More cycles on screen = higher frequency (for a given scope timebase setting.)
Second, when you finally connect the mosfets, you probably should use a duty cycle setting that results in a tiny "gap" between one mosfet turning Off and the other mosfet turning On. This will assure that both mosfets can't be On at the same time. If both mosfets are On at the same time, this can result in "shoot-through" which can cause component failure.

Also, you can get or make "breakout boards" or adapters that will make it much easier to use the surface-mount parts in your build.
https://learn.adafruit.com/smt-prototyping-using-breakout-pcbs/overview

And again also.... I don't remember if you have the Service Manual for your scope. If not, here's a link to the SM at my favorite Tek "fansite" :
http://w140.com/tek_2205.pdf
The resistor ladder for the Focus control is in the schematic section on page 192 of the pdf. It's kind of blurry, you may be able to find a better scan of the SM on the internet.
They are a bunch of 510k resistors in series, connected to the focus pot.

Free Energy | searching for free energy and discussing free energy

Re: Kapanadze Cousin - DALLY FREE ENERGY
« Reply #16922 on: March 23, 2017, 06:48:50 AM »
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Offline NickZ

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Re: Kapanadze Cousin - DALLY FREE ENERGY
« Reply #16923 on: March 23, 2017, 04:46:16 PM »
   TK:
   Thanks again for your comments and suggestions. They will not be overlooked.
   I do have an original Tectronix 2205 manual,  as well as a downloaded one off of the web. I also now have the service manual that you just linked to.

   I thought that the purpose of the driver chip was to assure that both mosfets don't fire at the same time. In any case, that does not seem to be a problem.
  My intension was to have all the push pull driver components on a single PCB, as well as the kacher circuit.
But I was sent the wrong size driver chip. Anyways, it's all good, and seems to be working.

  My PC is down, and I bought a new motherboard and memory for it.  So I should have it up and running in a few days, when that order gets to me. In the meantime I'm having a hard time placing links from YT. So,  thanks for placing it for me. 
  Doing things on a phone or tablet can be a pain in the butt.


   

Offline verpies

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Re: Kapanadze Cousin - DALLY FREE ENERGY
« Reply #16924 on: March 24, 2017, 09:10:43 AM »
I thought that the purpose of the driver chip was to assure that both mosfets don't fire at the same time. 
No, the purpose of the driver chips is to provide more current to gates of the MOSFETs.

It is the job of the PWM Controller (in your case the TL494) to time the driver chips+MOSFETs properly, including the dead-time between them.  Unfortunately you are misusing the dead-time control input as a duty cycle control input.

Free Energy | searching for free energy and discussing free energy

Re: Kapanadze Cousin - DALLY FREE ENERGY
« Reply #16924 on: March 24, 2017, 09:10:43 AM »
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Offline NickZ

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Re: Kapanadze Cousin - DALLY FREE ENERGY
« Reply #16925 on: March 24, 2017, 02:50:11 PM »
No, the purpose of the driver chips is to provide more current to gates of the MOSFETs.

It is the job of the PWM Controller (in your case the TL494) to time the driver chips+MOSFETs properly, including the dead-time between them.  Unfortunately you are misusing the dead-time control input as a duty cycle control input.
   Verpies
   Are you saying that I've made a mistake on the connections, or that the topruslan7 schematic is wrong.
 What should I do about it? And why? Please explain.
 Is the video I posted a link to "How to use a TL494" also not showing the dead time? As it is showing the same thing, pulses between the peaks, same as mine.
  I'll change whatever needs changing, just let me know what actually is not right, and why.

  Edit: what I see as not being the same as in the topruslan 7 schematc, is that my 50k pot is installed backwards. That is the #3 pot pin (which is the ground pin), is going to the TL494 #7 pin. And it should be that the pots #1 pin should go to the TL494 #7 pin, instead. Or not?
Should I reverse the pot?
« Last Edit: March 24, 2017, 05:02:42 PM by NickZ »

Offline lost_bro

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Re: Kapanadze Cousin - DALLY FREE ENERGY
« Reply #16926 on: March 24, 2017, 05:07:49 PM »
   Are you saying that I've made a mistake on the connections, or that the topruslan7 schematic is wrong.
As I'm not the only one seeing the TL chip working in this way. You mention that there is a huge pause between the push and the pull. And now, that I'm misusing the purpose of the TL controller.
 What should I do about it? And why? Please explain.
Is the schematic wrong, or what? Is the video I posted a link to "How to use a TL494" also not showing the dead time? As it is showing the same thing, pulses between the peaks, same as mine.
  I'll change whatever needs changing, just let me know what actually is not right, and why.

  Edit: what I see as not being the same as in the schematc, is that my 50k pot is installed backwards. That is the #3 pot pin is going to the TL494 #7 pin. And it should be that the pots #1 pin should go to the TL494 #7 pin, instead.
Should I reverse the pot?

Good day NickZ

Please see attached TL494 layout.
Normally the d/c (duty cycle) control for the TL494 IC is connected to Error Amp 1.
Pin#4 is used to determine *DeadTime* which is the OFF time that occurs between the Push-Pull outputs *MarkTime* (on-time).
This is accomplished by tying Pin#4 to *ground* with the appropriate value resistor.  Further down in the attached spec. sheet for the TL494 you will find a chart depicting Timing Capacitor values and inherent DeadTime vs. Oscillator Freq.

The Tl494 chip architecture guarantees a certain percentage of DeadTime according the the chosen values of CT (oscillator timing cap. Pin#5) & RT (oscillator timing resistor, Pin#6). By changing these values a certain value for DeadTime can also be had.

By connecting a *pot* to Pin#4 you are basically manipulating the *DeadTime* to create your variable pulse width (d/c).
While this can done, it is NOT the standard engineering/design protocol. I would opt to use Pin#4 for *DeadTime* control and use error amp 1 for d/c control.

I hope this helps;

take care,peace
lost_bro


Free Energy | searching for free energy and discussing free energy

Re: Kapanadze Cousin - DALLY FREE ENERGY
« Reply #16926 on: March 24, 2017, 05:07:49 PM »
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Offline itsu

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Re: Kapanadze Cousin - DALLY FREE ENERGY
« Reply #16927 on: March 24, 2017, 05:21:08 PM »

Nick,

so, use the leftmost circuit, not the one on the right as it is (mis)using the dead-time control input (pin 4) as a duty cycle control input.

Itsu

Offline AlienGrey

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Re: Kapanadze Cousin - DALLY FREE ENERGY
« Reply #16928 on: March 24, 2017, 11:57:20 PM »
Nick,

so, use the leftmost circuit, not the one on the right as it is (mis)using the dead-time control input (pin 4) as a duty cycle control input.

Itsu
it might seem a strange thing here to say or ask here but what does this part of the circuit do ??? One might think the 17.68 khz is 100 times the 'F' of the Tesla coil 'yeah' but its free running and not locked in frequency or phase ! Also in other devices the push pull is used to demodulate the 'F' to 50 or 60 hz grid frequency and also isn't the Tesla coil the wrong way round since we are counting power peeks and not the other way round ? any one any ideas ?

Free Energy | searching for free energy and discussing free energy

Re: Kapanadze Cousin - DALLY FREE ENERGY
« Reply #16928 on: March 24, 2017, 11:57:20 PM »
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Offline verpies

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Re: Kapanadze Cousin - DALLY FREE ENERGY
« Reply #16929 on: March 25, 2017, 01:47:00 AM »
Are you saying that I've made a mistake on the connections, or that the topruslan7 schematic is wrong.
If you are copying topruslan7 schematic then you did not do anything wrong.
As to the question whether that schematic does not follow the manufacturer's application note, Lost_Bro and Itsu just beat me to the explanation.

What should I do about it? And why? Please explain.
That depends whether you treat the topruslan7 schematic as gospel or work in progress.

Is the video I posted a link to "How to use a TL494" also not showing the dead time?
I don't know, I never watched it, but I read the TL494 datasheet and the manufacturer's Application Note.

As it is showing the same thing, pulses between the peaks, same as mine.
What peaks? Are signals on TL494.pin 9 & 10 these peaks ?

I'll change whatever needs changing, just let me know what actually is not right, and why.
If it works for you then don't change it.  But if you hit a wall with the topuslan7 schematic, then you might consider using the TL494 like its manufacturer has intended.

Offline NickZ

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Re: Kapanadze Cousin - DALLY FREE ENERGY
« Reply #16930 on: March 25, 2017, 02:59:34 AM »
    Guys:
   The changed have been made as suggested to my TL494.  There are definite changes as compared to my previous set up.  I'll post another short video tomorrow showing the way it's working now.

Free Energy | searching for free energy and discussing free energy

Re: Kapanadze Cousin - DALLY FREE ENERGY
« Reply #16930 on: March 25, 2017, 02:59:34 AM »
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Offline itsu

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Re: Kapanadze Cousin - DALLY FREE ENERGY
« Reply #16931 on: March 25, 2017, 11:05:22 AM »
it might seem a strange thing here to say or ask here but what does this part of the circuit do ??? One might think the 17.68 khz is 100 times the 'F' of the Tesla coil 'yeah' but its free running and not locked in frequency or phase ! Also in other devices the push pull is used to demodulate the 'F' to 50 or 60 hz grid frequency and also isn't the Tesla coil the wrong way round since we are counting power peeks and not the other way round ? any one any ideas ?

Well you should ask Ruslan or the one who designed it, but i understand it will generate the push pull signals at a frequency in the 17, 27 or 37 KHz range.
This together with the Kacher resonance frequency in a 1:50. 1:60 or 1:100 relationship should provide the "magic" via the Grenade coil to pull power from the ground.

Apparently, the stability of the TL494 needs to be great like within 100Khz, so a PLL system would be an advantage (and we have already seen a PLL setup (Oleg)), but it
seems not required as we have seen setups without any.

Itsu

Offline Dog-One

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Re: Kapanadze Cousin - DALLY FREE ENERGY
« Reply #16932 on: March 25, 2017, 02:34:49 PM »
Quote from: AlienGrey
any one any ideas ?

You cannot measure or properly manipulate what you cannot see.  That's the first problem you have to solve.

You can be assured Ruslan, Akula and others will never tell you the secret.  They are not going to spoon feed
anyone.  You know what that means...   You have to think for yourself.  You have to ask yourself the question,
"What is it they are really looking at to make this all work the way it does?"

Offline nelsonrochaa

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Re: Kapanadze Cousin - DALLY FREE ENERGY
« Reply #16933 on: March 25, 2017, 03:14:20 PM »
You cannot measure or properly manipulate what you cannot see.  That's the first problem you have to solve.

You can be assured Ruslan, Akula and others will never tell you the secret.  They are not going to spoon feed
anyone.  You know what that means...   You have to think for yourself.  You have to ask yourself the question,
"What is it they are really looking at to make this all work the way it does?"


You nailed it in right point !  ;)   Dog-one .
For those who consistently create assumptions of how particular circuit works is the right question to ask:
How should be made even fake to that circuit  work in the way like it does , in that way everybody gain , because learn under that process, exactly the opposite  happens because , just copy something from someone,  could be made deliberated just to create diversion and maintain people far way from the goal .

Cheers


Offline NickZ

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Re: Kapanadze Cousin - DALLY FREE ENERGY
« Reply #16934 on: March 25, 2017, 03:49:58 PM »
   OK,  so I got the rewire done on the TL494. But I lost one output from the #10 pin (E2 pin), on the TL chip.
It was working for a minute (both outputs),  but now I get just one output that works. So I'm looking for the cause.
Any ideas?
   Other than that,  the mosfet driver signal on the working channel is showing dead time controls working as expected. You guys can decide if that signal is looking right, or not.
I'll make another short  video,  when I get both channels going again.

   Nelson:
   Anything new and exiting from your projects?  Are you selling a working self runner? As you are the only guy posting here that has managed to build one.
   Yes, it's hard to trust anyone or anything these days.  But, I trust you...
   Keep up the good work.
                                             NickZ
« Last Edit: March 25, 2017, 06:14:13 PM by NickZ »

 

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