Over Unity Lightbulb

[elgersmad]

In most simulators, if you have just one capacitor and one inductor in parallel, and apply 10 Volts AC at the resonant frequency of the pair for example, 1uF and 1mH gives you a resonant frequency of 5032 Hz, or 5.032 Khz.  So, when you set the AC source voltage to 10 volts for the capacitor and inductor in parallel, the frequency is 5032, your simulator will show you a voltage of 14.14 Volts.  It doesn't convert the source to RMS or anything like that.  When you use a transformer's primary in parallel with a capacitor, running it at the same frequency that the circuit is resonant to, has the same results before the voltage or current is stepped up or down.  In three stages, that should produce a voltage and current that 2.827 times greater than is measured in the primary resonant circuit.  That would be three bobbin wound RF Transformers, with the primary on one bobbin and leg of the transformer and the secondary on the other leg on a seperate bobbin, all with a winding ratio of 1:1.

I've built the circuits, and the rule of thumb when all of the stages are tuned to the same frequency, is simple Pout = Pin * Q * Q * Q.  Q is just the value of inductance divided by the the winding resistance of the coil of each primary.  Typically, you try to use a core that allows you to govern the direction of the majority of current flow.  So, the secondary would have a high winding resistance due to more turns and a longer length of wire, and the next primary would have the same value of inductance by using a core with a higher permeability, less windings, and a higher Q.  The greater current flow will then be through the primary of the next resonant stage.

If you have a core permeability values of 2, 200, and 20,000, using three turns for each primary and 30 for every secondary, will result in a set of transformers that from lowest to highest will all have almost the same inductance on the secondary as the primary of the next.  The output of T1, wound on the core with a permeability of 2 will have the same inductance on the secondary as T2's primary, even though it is still only three turns.  The winding resistance of the secondary of T1 is 10 times greater than the primary of T2, and the majority of current will flow through T2's secondary in resonance, rather than do anything with T1's Primary.

[elgersmad]

The Uy type transformer core is ideal for this light bulb because, you can go and buy a fused quartz coil, then go to a neon sign maker, to seal one end, then evacuate it of atmospheric gases and use a gas of your choice.  On the Uy transformer coil, the secondary of the last trasnformer is actually, this glass coil.
http://www.edgemontglass.com/

Turn per turn, there is a hair fine wire that you'll have to place in order to start the bulb. Since, both ends are closed, and the single strand of wire, runs parallel to each turn, turn per turn, the bulb fires up but the circuit and transformer core cannot distinguish that it's not just an open secondary, allowing the primary to act as if there is no load.  The electrons still travel from one end of the bulb to the other, and when the plasma is hot enough, and run at a frequency above 100KHz, it doesn't not extinguish, and remains nearly as conductive as copper wire.  If it is or not is really established by plasma temperature, or power applied.  At that point, the whole circuit responds as if there is no load on the secondary of that transformer, and Q winds up it's highest for all stages and the equations that won't work under any other conditions are all and will all work because T3, not appears to be just an inductor at the end of the line of some tranformer coupled parallel resonant circuits.

[markdansie]

Just curiois,
have you built and tested this.
I like your original thinking
Mark

[elgersmad]

Just curiois,
have you built and tested this.
I like your original thinking
Mark

I've built and tested the entire schematic.  The only exception is that I haven't aquired a quartz tube.  I do have a vacuum pump, bell jar, and list of other things that I've used to build plasma chambers, I have even taken ceramics and actually carved leather hard clay into parts I could afford to have machined.  I highly suggest ceramics for making your own parts if you ever get into high voltages, or vacuum tube tech.  I took on studying plasma physics, and copper and highly conductive metals are considered solid plasmas and a large number of equations don't really change or work differently until you look at temperature.  A plasma will be close to 10,000 degrees C, and as conductive as copper or nearly superconductive.  The difference between superconductors and magnetic fields is that the plasma is so light, it will move before a magnet could ever float on it.

I've found Magntics Designer, and several spice models that will model a real transformer, and fix the results and bring them up to realistic simulations.  But, you cannot trust the simulator until you have a test circuit that is duplicating the results of a spice model.  Yes,  including an unloaded secondary on the final stage.  The only difference is whether the bulb is there or not.  At that point, it really will only respond as a open secondary.  The quartz tube would be closed at both ends, have no electrodes, and no ground connections.  It just floats like a secondary wihout any connections too it.  Just a single hair fine wire that is mechanically parallel to that bulb, possibly even glued too it or lightly wound around the quartz tube just to keep it in position and manage the same number of turns around the magnetic core.

[exnihiloest]

I've built and tested the entire schematic.
...

Could you show us photos? I don't well understand how is connected the quartz tube.
And how did you lead measurements to demonstrate OU? Can you present them?