The bifilar pancake coil at its resonant frequency

[magpwr]

hi everyone,
I am trying to understand Nelson circuit which was operated by 3 automotive relays powered by 12volts battery which powered 21watt 12volts bulb and yet 21w 12volts bulb connected in series with 12volts battery positive did not light.
This indicated the circuit was drawing very low current.I have also tried shorting the unused 15volts output and yet it not caused the supply current to increase.No idea why.

Today i am showing a modified version of Nelson Rocha circuit.I am surprised the circuit consumed very low current at supply as shown in video like DC OR A/C 20mA via clamp meter.
My cheap power supply after the last self calibration i was not able to get current displayed correctly.
I am now convinced that Nelson circuit used in his video is indeed a working model.
Playing with relays as fast switching device was outside of my comfort zone. This is my latest youtube video-
Radiant circuit switched by three 12v relays draws mere 30mAhttps://www.youtube.com/watch?v=8BO7N645dT0


Hope that someone can improved it further as the circuit needs tuning and some modification.
I do hope Nelson can contribute to add to the fun.
Neslon video
https://www.youtube.com/watch?v=F7EkHm08Te4

[AlienGrey]

Hi yes I looked at that 5 years ago when I didn't have much spare cash, such is life and employers 

Anyway, the first relay is timing it has a Capacitor and a resister to set up the on-off
time of the next relay and create the 'off' flyback pulse. I wasn't very knowledgeable on the subject-
then and the circuit has a lot of pitfalls.
you could ask Nelson himself or try Mr. Dove on the tube he knows a lot.

[AlienGrey]

Here are the original coils not sure if still available, I have included the coil inductance.
and the type of pulse I got.

[evostars]

function if c1 and c2 reversed gives more power.
adding C5 over L1 makes it possible to tune the impulse (back emf inductive spike) duration. By makimg the duration slightly longer, the voltage drops a bit, and more power can be fed to the cicuit (limited by the avalanche body diode of the mosfet). L2 is reverse connected (see dot)

[evostars]

just a small note, Im still researching.
I found the radiant circuit, is probably just one half of the system.
I made a compliment circuit, that produces positive impulses and a negative voltage offset,
by switching the L1 coil at the low side.

So I now have 2 circuits, with 2 L2 coils.
These 2 L2 coils, both have a DC offset.
one L2 is positive , the other is negative.

This way, the L2 coils, act as capacitor plates, when coupled together.
The dielectric field setup up, is then impulsed, positive and negative alternating, 180 degrees separated in phase.
This opens up a whole new set of possibilities.

I'll keep working. and when vital info is gained, I will share again on my youtube channel,
https://www.youtube.com/c/masterivo