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Overunity Machines Forum



Kapanadze Cousin - DALLY FREE ENERGY

Started by 27Bubba, September 18, 2012, 02:17:22 PM

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itsu

#17850
August 25, 2017, 06:44:23 AM

Its strange that i see your square waves are around 50V amplitude (1 div. @ 50V/Div.) while running on 12V input.

I expect to see some 24V square wave amplitude, not 50V, so something is not right there.
Could you double check your scope setting?

Itsu

NickZ

#17851
August 25, 2017, 02:22:57 PM
   Itsu:
   The scope volts/div setting is at 50v per/div.  So it's about 50 to 60 volt, is what I read on it.
If I reduce the duty cycle, the voltage spike goes up. The frequency should be close to the best resonance frequency.
   Once the snubbers are finished, I'll be able to tune the whole device better.

  I'll know more about it later tonight. But, I would like to install the yoke/primary coil snubber as well.
  So, let me know more details as to how to go about doing that.
   
      NickZ

itsu

#17852
August 25, 2017, 03:11:36 PM
Are you sure that that blank position on your V/Div. knob really is 50V/Div.?
What happens if you switch to 20V/Div., does the signal jump to twice the number of divisions?


Anyway, about the Oleg snubber, it is what it shows on my link:
A 1K (2W) resistor from the 24V (or 12V) supply line via a series 1uF Poly cap (600V) to ground.
From the junction resistor/cap 2 diodes (UF4007 or your MUR360) to each primary (cathodes to the R/C junction).


This way a spike created by the collapsing field will partially be diverted back into your 24V supply.

See a picture of my setup below where the Oleg snubbers are visisble on the yoke/primary side.

Edit: It seems that one of our cats had a nap against the yoke lately.   They lose a lot of hair at the end of the summer, sorry about that.


Itsu

Belfior

#17854
August 26, 2017, 02:37:45 PM
got my TL494 PWM modules from ebay finally. The seller is not replying and I was wondering are these modules are made the same way?

http://www.ebay.co.uk/itm/131586554657

So could I find the schematics and connection diagrams for these somewhere else? This particular module was mentioned on this thread, so I thought you guys might have the schematics for this module.
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