Bi-toroid Transformer of Thane C. Heins

[Farmhand]

Here below is a couple of vids showing a light globe powered from a resonant tank.

I show a drop in supply power on powering the load and an increase in supply
power when connecting a load and a no change in supply power when the load
is connected. Also wave forms ect. The power resistors I used to sense the
voltage drop and determine current were not good for that frequency but the
inductance of the resistors would be a tiny fraction of the load inductance.
I have new non inductive resistors but am too unwell to experiment for some time.

Scope probe placement and inverting one channel when necessary are important so as not to get a reverse measurement.

Might be something there of interest for some here.

At about 5:40 in the second video I show the traces for the light bulb load,
voltage, current and power traces.

Part 1

https://www.youtube.com/watch?v=5mLALutgqCc

Part 2

https://www.youtube.com/watch?v=VDs128Q64lc

..

[BroMikey]

14:1 COP Possible

I would suggest high voltage cap ratings if you're looking for any decent power output, at least 5kv. This gives you a lot of wiggle room.

I've calculated as much as a COP of 14 with this latest arrangement, about .25 watts in and 3.5 watts out.


Dave

Well now, thats not what you use to say you couldn't get it remember?

Nice going Dave. Thanks for the great direction on this project. Looks like you are leading the way this time.

Mike

[Dog-One]

Sweet

It seems that when I use large capacitance, my negative power factor starts to drop off. In other words, I see the best results in the higher frequency range as permitted by my audio amp. I would suggest high voltage cap ratings if you're looking for any decent power output, at least 5kv. This gives you a lot of wiggle room.

I don't have a 20:1 ratio. If you take into account what happens during resonance, you will see that it is easy to get high voltages across the caps. My ratio, primary to secondary, is actually 1: phi^3.

I've been running my secondaries in series, with not a whole lot of attention to parallel. I'll get there soon..

When I speak of not running in full resonance, it's because at peak resonance nothing novel seems to happen. My primary current and voltage are in phase very much like a conventional xfmr. However, if I tune down just south of the peak resonance in the lower frequency side, I start to see my phase angle in the primary change so that I see a negative power factor while still powering a small load. I've calculated as much as a COP of 14 with this latest arrangement, about .25 watts in and 3.5 watts out. This doesn't take into consideration the heat being developed in my series resonating capacitor. If anybody knows how to calculate conductive losses in dielectric materials in a practical situation like this, please let me know.

80:240 turns ratio sounds like a good place to start.

I think these transformers when running can only 'give' back so much energy. For example, if I short my secondary windings with just the series resonating cap, I get the strongest negative power factor. But when I start adding a load to the secondaries, the negative power factor starts to diminish until I get to optimum tuning like Dog-One hypothesized, most power out while still maintaining a 90 degrees phase angle. If I add too much of a load, I start to get a phase angle of less than 90. You could use all of these in a practical setting. Theoretically the negative power factor mode of operation could add magnetism back to a generator giving it motive force to turn like a motor. You could find the sweet spot of a load and a 90 degree phase angle so that the generator wouldn't 'see' the load. Or you could add a fully impedance matched load and find that your transformer is probably operating a lot more efficiently than conventional transformer. It's all about what you want to do with it. I personally am thinking in terms of a combination of the first two so that maybe I can get a rotor that spins by itself while delivering real power.



Dave

A little confused about this. If you short the output, you get maximum negative power factor, but when you add a load, it drops off. ???

Wouldn't a direct short be a maximum load? Seems conflicting.

I really wanted something I could connect to a generator and see the effect of a negative power factor, but at the kind of frequencies needed, it would have to be a pretty small, multi-pole generator running at very fast RPM. I'd be curious as to what you have in mind to tackle this one.

Regardless Dave, a calculated COP of 14 is a place I've never been. This is great inspiration; definitely something worthy of full investigation. Even all the hype about Rossi's E-Cat... It was only showing a COP of 3.5 and it requires a bunch more hardware and tuning.

It's going to get fun when we take raw DC power, drive an oscillator and amp, push it through the SFT, rectify back to DC and compare power in/out. Seems to me the chance of a looper is certainly on the table; well within reach.

[Dog-One]

Now thats what I call Top Dog-One cores.

I haven't decided what you meant about the "JIG"? I guess there are mores ways than one to skin this job even though I have not yet comprehended your method.

Meaning the four brackets and four pieces of all-thread to hold in place the little core half atop the large core half while I wind it.

I'll those cores were a pretty penny. Looks like you cleaned the piggy bank for sure those things should produce real results compared to the cores I have.

Are you going with 16awg?

They weren't cheap, especially not the big one.

I used my own concoction of Litz wire, but it all has to come back off--the enamel cracked and there are shorts everywhere. Soooo.... I'll have to find another source for wire since my large spool of 24 AWG Essex wire is junk.

[Web000x]

I have a dozen of those large 580VAC EPCOS 92uF caps I can try. These would be hooked to the secondaries? And they boost the output power instead of drop it?

Do you seriously have a 20 to 1 turns ratio or is this just how the SFT reacts with caps? Series or parallel connections on the secondaries?

And when you say you don't have it tuned for full resonance, you mean you stay away from the frequency input where the output starts to go nuts?


I have to finish building my jig to hold things in place to wrap my secondaries; hopefully I can start tomorrow on them. I was planning on about a 1 to 3 turns ratio and have my primary at about 80 turns, so do you think 240 turns on the secondaries is a good place for a first try?

I for sure will be delighted if I can pull an amp at 100 volts with the input still sitting 90 degrees out of phase.


Oh BTW Dave, got a nice full box of FerroXCube 3R1 toroid cores to play with if my AlphaCores become a dead end.

It seems that when I use large capacitance, my negative power factor starts to drop off. In other words, I see the best results in the higher frequency range as permitted by my audio amp. I would suggest high voltage cap ratings if you're looking for any decent power output, at least 5kv. This gives you a lot of wiggle room.

I don't have a 20:1 ratio. If you take into account what happens during resonance, you will see that it is easy to get high voltages across the caps. My ratio, primary to secondary, is actually 1: phi^3.

I've been running my secondaries in series, with not a whole lot of attention to parallel. I'll get there soon..

When I speak of not running in full resonance, it's because at peak resonance nothing novel seems to happen. My primary current and voltage are in phase very much like a conventional xfmr. However, if I tune down just south of the peak resonance in the lower frequency side, I start to see my phase angle in the primary change so that I see a negative power factor while still powering a small load. I've calculated as much as a COP of 14 with this latest arrangement, about .25 watts in and 3.5 watts out. This doesn't take into consideration the heat being developed in my series resonating capacitor. If anybody knows how to calculate conductive losses in dielectric materials in a practical situation like this, please let me know.

80:240 turns ratio sounds like a good place to start.

I think these transformers when running can only 'give' back so much energy. For example, if I short my secondary windings with just the series resonating cap, I get the strongest negative power factor. But when I start adding a load to the secondaries, the negative power factor starts to diminish until I get to optimum tuning like Dog-One hypothesized, most power out while still maintaining a 90 degrees phase angle. If I add too much of a load, I start to get a phase angle of less than 90. You could use all of these in a practical setting. Theoretically the negative power factor mode of operation could add magnetism back to a generator giving it motive force to turn like a motor. You could find the sweet spot of a load and a 90 degree phase angle so that the generator wouldn't 'see' the load. Or you could add a fully impedance matched load and find that your transformer is probably operating a lot more efficiently than conventional transformer. It's all about what you want to do with it. I personally am thinking in terms of a combination of the first two so that maybe I can get a rotor that spins by itself while delivering real power.



Dave

[BroMikey]

Tuning

I have a dozen of those large 580VAC EPCOS 92uF caps I can try. These would be hooked to the secondaries? And they boost the output power instead of drop it?

This is like Lasersabers Joule ringers one cap value across the right set of wires can make all of the difference. I guess I forgot my Joule Ringer windings days so I have would a few coils before this, but not very many.

I did a 170 foot secondary and a 17turn bifilar to get 120plus volts and when i played with caps all around the circuit I found that just the right cap would put my light in a very bright condition with the amp draw dropping down lower.

Mike

[BroMikey]

Nice Big Cores

If you don't prefab your coils as Mike has done, you'll have to jig the cores together for winding as I have done here.

Now thats what I call Top Dog-One cores.

I haven't decided what you meant about the "JIG"? I guess there are mores ways than one to skin this job even though I have not yet comprehended your method.

I'll those cores were a pretty penny. Looks like you cleaned the piggy bank for sure those things should produce real results compared to the cores I have.

Are you going with 16awg?


Mike

[BroMikey]

nF Caps 600-1000volts

Here are a few pictures of the type cap we need.






Mikey

[BroMikey]

I Remember Now

Hello Blackchisel

I think you are right Clean did say nF in the video one time. Thanks for keeping me on track. I know some of you guys who have been here much longer than I have watch the progress so thanks for being there.

This also explains the cap size in the Mr Clean video using what looks like large disk shaped caps yet very high voltages. If I remember correctly Mr Clean said they were caps he had from his TESLA COIL PROJECT. AND the DOM SMITH work he has done.

I have been trying to find some of EBY but I haven't known what all of the shapes look like that are available in this range.

14nF is a value that sticks with me from one video or was that Web000x?

Either way we figure it out especially quicker with someone who will keep an eye on things to sort of keep us on the well beaten path.

Mikey

Hi Mike,

I believe that tuning caps values are in nF, not uF. Could you check this out to make sure?

Regards
V

[Dog-One]

SFT Winding Jig Complete

If you don't prefab your coils as Mike has done, you'll have to jig the cores together for winding as I have done here.

[blackchisel97]

Hi Mike,

I believe that tuning caps values are in nF, not uF. Could you check this out to make sure?

Regards
V

[BroMikey]

Bi Toroid

OLD pictures of yet another version from Russia






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Tape Job core.


Mike

[BroMikey]

Ac Capacitor Tuning Example

Hello group members

These are examples of cap tuning that were dropped into our lap by successful replicators of the THANE H. BI-TOROID TRANSFORMER.

Looking at the dia shows a tuning cap for each set of windings.





It looks like in this instance that a 30nF is used in the twin secondary and the primary a 100nF.

Here is another good example from the DON SMITH project where tuning is used with capacitors.






Mike

[BroMikey]

580vac Caps

Here is your Cap Dog-One

[Dog-One]

Reactive Caps

Yes, like I stated in a couple of posts, you must use HV rated caps. I am easily seeing 500 Volt cap voltages close to resonance, this with never more than 26 volts input. I don't operate in full resonance so I don't even get close to what the full potential of resonance may be. I do use a neon bulb and a 10 megohm resistor across my caps so that I have some visual indication to be safe. Please be careful. If you are unsure of what you are doing, shield your caps with something like a shoebox so they don't put your eye out when they explode.

Dave

I have a dozen of those large 580VAC EPCOS 92uF caps I can try. These would be hooked to the secondaries? And they boost the output power instead of drop it?

Do you seriously have a 20 to 1 turns ratio or is this just how the SFT reacts with caps? Series or parallel connections on the secondaries?

And when you say you don't have it tuned for full resonance, you mean you stay away from the frequency input where the output starts to go nuts?


I have to finish building my jig to hold things in place to wrap my secondaries; hopefully I can start tomorrow on them. I was planning on about a 1 to 3 turns ratio and have my primary at about 80 turns, so do you think 240 turns on the secondaries is a good place for a first try?

I for sure will be delighted if I can pull an amp at 100 volts with the input still sitting 90 degrees out of phase.


Oh BTW Dave, got a nice full box of FerroXCube 3R1 toroid cores to play with if my AlphaCores become a dead end.