Beyond Unity - Tesla Pancake coil radiant energy

realco posted this 02 February 2023 - Last Edited 02 February 2023

Hello again
In the previous post from my ZPM reply (thread)I tried to expose (unsuccessfully but due to lack of time), an experiment approached by many researchers, namely the special characteristic of the pancake coils of the great Tesla.
Most have tried various circuits with only one coil, but few know that the result is totally different with more of them. I use three pancake coils - one on the input and the other two connected as oposition. The result? An energy amplification at the radiant level with a consumption of 200-300 mA that can be transmitted through a single thin wire, at a distance. Not dangerous (as you saw).
The copper wire is connected to these coils, not to ground. Today I will try to represent this experiment more clearly. In any case, we are talking (I think) about that longitudinal energy that friend Vidura talks about in his thread

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realco posted this 02 February 2023

Quoting:Shelfordella

Do these really have a radiant energy application? afaik they were invented as inductors with high capacitance so big expensive capacitors weren't needed anymore.

It may have, if we remember that Pancake coil is one of Tesla's inventions.
We just have to find the way

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realco posted this 02 February 2023

Quoting:Munny

Nice coils realco!

I have to mention something, because I watched Ivo do this already. Don't get hung up on using only pancake coils. Solenoid coils can be mixed with pancake coils to reveal some rather intriging results. Take note of the basic Tesla coil with the pancake primary and solenoid secondary. Things get very interesting when you arrange solenoid coils between pancake coils. There are various ways to go about this. You can have pancake coils with the center hole large enough to fit over the solenoid coil. These are pretty obvious, but you can also do other assemblies. You can place multiple solenoid coils between pancake coils that are offset from the center hole. You wouldn't think these would produce much, but only if you get fixated on magnetic fields. I can assure you the electric field is much more interesting and the effects of it will reveal themselves in this alternate arrangement.

If you think of solenoid coils as inductive elements and pancake coils as capacitive elements, then a whole new world begins to open up for your research to explore.

Munny, thank you for the answer to the question that was going to come from me.....
¿And now what needs to be done?
You came right on time with the suggestion. We have to admit that those who study this type of coils...are few. One of them, and the best in my opinion, is Master IVO. Thanks for the link and I will follow your advice.
My respects for the maturity of your logic.

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Vidura posted this 03 February 2023

Replying To: realco

Very good experiment! My opinion what is happening: The BEMF producing a scalar wave when the primary switches off. This wave is captured by L2L3 pair. A magnetic cancelling Coil can work as emittor or receiver of scalar potential waves. In this case it received the wave front and produces acceleration of charges which propagates as kinetic energy across the single wire at high frequencies, and can discharge as current to the ground. The simplicity of the experience allows good conclusions. Regards

Vidura

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realco posted this 03 February 2023

Quoting:Vidura

Replying To: realco

Very good experiment! My opinion what is happening: The BEMF producing a scalar wave when the primary switches off. This wave is captured by L2L3 pair. A magnetic cancelling Coil can work as emittor or receiver of scalar potential waves. In this case it received the wave front and produces acceleration of charges which propagates as kinetic energy across the single wire at high frequencies, and can discharge as current to the ground. The simplicity of the experience allows good conclusions. Regards

Hello Vidura. I could say that the effect (the first wave) that you ranked very correctly, and the whole procedure demonstrated, was just....a coincidence! I have to admit. Sometimes even when you do things in a hurry, they happen to come out. It's been years since I tried longitudinal propagation, and the results were modest. Finally...ehh! I have to check if the current and the voltage are in phase, but I only have one valid channel on the oscilloscope, the other being burnt.
Thanks for appreciation.
Sincerely...realco.
PS Does anyone have a pwm scheme up to and over 300 khz with tl494?

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Jagau posted this 04 February 2023 - Last Edited 04 February 2023

Hi Realco

PS Does anyone have a pwm scheme up to and over 300 khz with tl494?

Hi Realco
Unfortunately the TL494 has a maximum limit of 300 Khz but linear product makes a new product like the LT3999 which can go up to 1 Mhz in maximum frequency
I hope it can help you
Jagau

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realco posted this 04 February 2023

Quoting:Jagau

Hi Realco

PS Does anyone have a pwm scheme up to and over 300 khz with tl494?

Hi Realco
Unfortunately the TL494 has a maximum limit of 300 Khz but linear product makes a new product like the LT3999 which can go up to 1 Mhz in maximum frequency
I hope it can help you
Jagau

Thank you Jagau. It is of course helpful, but I have about 15 pieces of tl494 in the house and I wanted to use them, and the internet is not so 'benevolent' to those who are looking for something concrete. I know for sure that there is a pwm in the network that works up to 235mhz without harmonic distortion at the end of the band. I had the diagram and I can't find it now. There is a trick that AKULA used.
As for the new candidate lt3999, to replace it, it can be better if it goes up to 1mhz.
With respect...realco

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Jagau posted this 04 February 2023 - Last Edited 04 February 2023

The other solution is to use a PIC controller which can easily go up to 100 Mhz in the 33CK series but you will have some PIC programming to do. I'm not good at programming. Here is the microchip website

https://www.microchip.com/en-us/product/dsPIC33CK256MP506
Jagau

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Munny posted this 05 February 2023 - Last Edited 05 February 2023

For me, the hard part was the gate drivers. I finally found these. If you heatsink them, they'll drive a MOSFET in hard switching about as fast as you can go. Be sure to add a resistor to limit peak amperage; set the value less than peak until the switching is good with minimal ringing (overshoot). Keep the electrolytic and bypass capacitors as close as possible. I typically use a vertical heatsink with the gate driver on one side and the MOSFET on the other. This keeps the lead lengths as short as possible. You may want to add a ferrite bead if you're having issues getting a nice crisp square wave. This setup should get you near 1MHz with fanless ambient cooling. It's not an isolated design, so there's a good chance of popping your microcontroller from any back EMF. If you don't need precision timing, I would recommend using discrete logic circuits like this. Much cheaper if you pop one as compared to a microcontroller. To be even safer, place an isolated DC2DC converter inline powering the oscillator and gate driver. This will allow those components to float (as long as you don't connect a scope probe to them).

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