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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

#17985
September 08, 2017, 04:18:12 AM
Quote from: NickZ on September 07, 2017, 07:33:10 PM
   Itsu:
   I may be confused about the pin out on the MUR1530 that I'm using. As well as your diagram.
   So, I can't seem to find the right way to connect up the Oleg snubber.  I may have the polarity wrong on those diodes, but I'm not sure what's wrong. As I can't tell from looking at their data sheet.
  I'll post a close up of the snubber in my next post.



Nick,


see the posts from TK and AG, it must be clear now.


As i was talking about connecting the diodes with their cathodes to the junction, here a picture about anode / cathode of a diode / led:


Itsu

NickZ

#17986
September 08, 2017, 09:20:38 AM
  Ok, thanks.
  Maybe I do have it connected the right way.
  The resistor is connected to the one side of the 1.2uf cap, and the other side of that cap is connected to Pin 1 (left pin) of both diodes. And pin 3 (right leg) of both diodes is connected to each one of the fet's drains. Correct?
   So where again is the ground line connected up?  I can't find that diagram, now.

NickZ

#17987
September 08, 2017, 09:39:13 AM
  Itsu:
  Ok, I did have it wrong, but I got it now.  I'll fix it today, and report back.

   EDIT:  So, I re-wired the Oleg snubber the right way. Below is how the signal looks, while running a 100w load.
A 200w load makes the resistor untouchable in 10 seconds.
    So, the 460 ohm 2 watt resistor gets very hot now. And it would probably blow up in less than a couple of minutes running time.

itsu

#17988
September 09, 2017, 11:42:40 AM

Nick,

looking good, try to put the left pointer (yellow 1) on the nearby (or middle) horizontal line so we can compare the voltages more easily.
And put up on the right side the CH1 Vpp value.

So you have a 50V square wave with a 40V spike followed by some ringing.

Your MOSFETs should be OK with this already.

If you reinstall the correct value R (46 Ohm) in series with the capacitor for the RC snubber, this ringing will be gone hopefully and
with the addition of the 1K replacement resistor on the Oleg snubber things probably will cool down on these resistors.

Itsu

DavidWolff

#17989
September 09, 2017, 03:20:41 PM
I'm new but can any one say has any one got this device to to work just yet ?
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