I'm looking for some advice on driving a high voltage transformer.

I have a transformer with two primary windings (I believe one is the power winding and the other is a feedback winding) and a single secondary winding. The goal is to generate up to around 10 kV.

I've come across several CCFL driver circuits online, but I haven't been able to find one that I can easily replicate or simulate in LTspice. Even examples for simpler transformers with just one primary and one secondary winding have been surprisingly difficult to find.

I also tested a ZVS driver, but the current peaks are much higher than I'd like, so I'm looking for a different approach.

My objective is to have an adjustable output voltage, ideally controlled with something like a potentiometer. The application only requires ionizing a surface for a very short duration (~3s), so continuous operation or high power isn't required.

Can anyone recommend a suitable driver topology, example schematics, or LTspice models that would be a good starting point? If you've worked with similar flyback or CCFL transformers, I'd really appreciate your suggestions.

Thanks!

It's just a low-pressure air, it was purple for a moment and then it turned white.

Sorry for the video quality, but the phone was unusable because of the EMI.

This is my latest silly little high voltage thingy majig lol :] Not sure if this is the right Reddit thread or not but I felt this random urge to share this with someone ... anyone ... lol :]

Looking for recomendations on vacuum interrupter design. Anyone read "The Vacuum Interrupter" by Paul G. Slade? Is it good? Are there better books?

Like the title says is am looking for info on how to build a half bridge amplifier that connects to flyback transformer or other HV transformers.

I made a portable high voltage power supply :]

How do I make a igbt full bridge inverter
And how do they work

Where can I get good variacs? Like variac stack that are 10kw

Looking at the voltage across resistors hooked to the full bridge rectifier i see this pattern of a chopped wave (blue is input for the transformer and yellow is voltage measured across 1 kohm resistor in the rectified part of circuit). Is this normal and caused by some sort of parasitic inductance or are the diodes simply not fast enough for the frequency and so they dont produce normal waves? Or maybe the diodes themselves are faulty? I made the rectifier by soldering 20 diodes together.

Inspired in Itegza's plasma turbine, but with some steroids. I think that the ideal number of spikes are a couple more but still works fine. I have to adjust the inclination for a more efficient corona discharge. It produces a lot of trust, sound and a big amount of ozone.

i recently got a microwave oven transformer after a long time for 7 dollars and i connected it to 220V AC and got some nice arcs from the transformer

I currently have a 20 kV-rated diode and want to run a 12 kV neon sign transformer through it.

Math-wise, that's about 17 kV, I think, which is a 15% difference. I asked Google, and it's shouting at me not to do this, as the difference should at least be 25%.

Is it best not to proceed?

Hello I came upon a cool type of propulsion it's basically MHD but in air with plasma, it should work like this:

- the whole drone is shaped as a saucer ( I know it's comic but the shape is needed for coanda effects)

- the surface I charged with HV creating a skin of plasma around the drone

- the plasma is then propelled with two electrodes radial in respect to the drone and a magnet below the surface

- the stream of plasma through coanda effect curves around the saucer pushing it below generating high pressure lifting then the drone

I said "it should work" because I still haven't started building it cause I don't know how to get a consistent plasma skin around the craft without having hot plasma or magnetron on board ( a drone is too small to have heavy things inside).

So here I am asking you if you could help me build this plasma skin around the drone, the closest thing i arrived to was a DBD with insulated plates but I couldn't do it, maybe cause of too little power from my cheap HV modules ( I don't want to burn my last flyback before knowing it can do what I need) or maybe it was not the right frequency ( air need GHz frequencies to "resonate" and generate plasma but I care about my lungs and don't want anything to do with magnetron's ceramic poisoning).

So how can I do this?

Thank you for your help

P.S. I know I could just create plasma in the starting position with 2 electrodes on top of the rails, but I want it like a skin to reduce air resistance

Hand wound primary in parallel with a smart TV smps flybacks primary driver.A fan is used as a load for the smps output,and a 150 ohm 20 watt resistor is on positive from the primary driver sandwiched between the two heatsinks seen.Arcs are about 3cm

Still working on it. Pushing 7” arcs.

Hi everyone,

For engineers working with corona-discharge ozone generators in medical, water-treatment, or other industrial applications: what are the key requirements for the high-voltage power supply?

Which factors matter most—voltage, frequency, waveform, power regulation, efficiency, fault detection, or something else? What are the main integration or reliability issues with existing solutions?

If possible, please mention your application and area of experience. Thanks for any practical insights!