[evostars]

In this video, nelson drives a 60W 230Vdc motor with 16Vdc 0,8A and at the same time he charges a battery (2 in series)

I analyzed the video. made some screen shots and looked at the wiring.
could not find decent info on the transformer (but a good screenshot),  but since nelson his other ciruit that he has posted online, I guess this is used as a stepup transformer again. 
The middle white wire is connected to the negative of the DC powersupply. So I guess the white is the neutral.
The rest of the transformer  is wired up weird. I guess it is a 230V in 2x 12V out. not sure.
the black thing seems to be a capacitor (what else?)
The capacitor is on one end connected to the neutral/negative powersupply.
The other side of the black capacitor is wired to red AND blue
the battery rectifier is hookup up to black and brown.

So... If the mosfet gives power pulses (probably high frequency at the resonant frequency of the transformer/cap circuit)
The pulses go into both 12V positives (working together) DC pulses.
The battery is charged of the double 12v negatives?
the 230V output is recitfied and via capacitor into DC motor.

What about the interaction of the exciter (toroid) and the power pulses (mosfets)?

BEMF feedback module test

[Matt Watts]

Can I say "Oh Sh1t !!"

That dielectric in between the two blue coils...   Are you certain that isn't another side-by-side bifilar coil?    I circled a pair of wires that might feed to it if it is.

[evostars]

i dont think so Matt, but who knows (nelson does) maybe there is.

have you seen how many wires are around those coils? all those black strips of contacts(or how do you call that?)

To me it is intuitively making sense, he is using side by side coils, and the dielectric field is in between so the white dielectric is in between the two unifilaf windings making it one bifilar.

but... mayne not.
if the right sided coil is a output coil... than the distanced coil is there to ... eliminate the bemf?

I dont know man... we really need to build and test. and then some more.
And lets invite nelson here again?

[Matt Watts]

Nelson's recent post linked to some worth reading documents:
http://overunity.com/17297/where-the-overunity-using-induction-coils-comes-from-eg-joule-thief/msg507910/#msg507910

So he's still working the theme.  A good sign indeed.

[evostars]

thanks for sharing
Nelson has also a new youtube video
showing a heat radiator, with some hv discharge fun

[Matt Watts]

Look closely at his latest heat module.  Twenty four volts @ almost 2.5 amps going in.  You see that big toroid choke on the right.  It looks to be wound as a bucking coil.  Now why would he have that there right near the output terminals?  It's not there to filter the output.  Here's what I think he might be doing...


If you put amps into a bucking coil, everyone assumes the magnetic field is cancelled.  I dare say it is not.  A better term would be that the magnetic field is pressurized.  With such a pressurized magnetic field, what do you suppose happens to all that magnetic pressure when you switch off the pressurizing force/source and switch it over to some load?  I can tell you because I have done it.  You get a massive voltage (energy) spike.  I can also tell you the same thing Paul Babcock has told us--you have to switch fast, because once that voltage rise starts shooting out, it kills transistors, immediately.  Ah-ha!  You see those blue capacitors?  They will hold down the voltage rise for just long enough to make the switch; without them the transistors are toast.


The two 8-pin chips placed side-by-side, I'm almost certain those are gate drivers for the two MOSFETs/IGBTs that have finned heatsinks.  That's high-speed switching control.  The other 8-pin chip to the left is probably the oscillator.

If this works the way I think it does, it's pretty darn ingenious.  Nelson isn't using the collapsing magnetic field--he's using two collapsing magnetic fields that have been highly pressurized against each other.  Got to hand it to Nelson, he really gets this stuff, lots better than I do at the moment, but I'm trying.  Keeping up with the master is no easy feat.

[evostars]

interesting. 2 bucking coils and using the bemf from them. that would be mighty powerfull.I have to process that in my mind.
sounds like implosion of two counter turning fields.

I stepped away from bucking coils because it seemed unnatural, and because they take in a lot of energy to build up their field energy.

[Matt Watts]

Just think of them as springs--makes it much easier to understand.  Curl is magnetic.  Curl is what a spring looks like.

[evostars]

need to revisit nelson rocha's published circuit, using a bucking torroid coil

[Matt Watts]

These counter-wound (bucking) inductors still retain a lot of capacity.  All you've done is reduce the self inductance.  The term negative inductor came up in conversation once.  I think of it more as an internally shunted capacitor, meaning it will not hold "charge" (if you will) in steady state, like a normal plate capacitor does.  Instead it will rebound dielectricity like a mirror (because it is one long conductor), but since it does have capacity, it will store quite a bit of dielectricity before it pushes it all back out.

There's another variation to this same theme which I've done, but haven't thoroughly tested.  Use bifilar windings (like speaker wire).  Just wrap the core completely with the two conductor wire, then cross-connect them the same as you would with Tesla's bifilar pancake coil.  This method gives a different effect than keeping each leg separated until the end.  The only use I found with this method is with Verpies' lossless clamp circuit, but again, I didn't rigorously test every possible combination.

It's an unusual device to say the least and I think it has a purpose of which Nelson has put to good use.