Hello Ian,
Are you simply looking at a uni-polarity pulse? You can generate a 1.2x50 uS lightning impulse with a typical Marx generator. It's a bank of capacitors that are charged in parallel and discharged in series through a system of interbank spark gaps. If you are in Ohio, drop in to the electro science lab. They have both Marx generators for DC and cascaded transformers for elevated 60 Hz.
Dick Hoover
-----Original Message-----
From: Ian Gault [mailto:iancgault@xxxxxxxxx]
Sent: Wednesday, February 8, 2023 12:09 AM
To: tcml@xxxxxxxxxxxxxxx
Subject: [TCML] HV psu
Hello,
I’m interested in replicating David LaPoint’s ‘Primer Fusion’ project.
This is my first plasma project. I have been working with high voltage
impulses up to 7kV regularly, but am asking advice on the best way to
build a psu providing ~500,000v.
I plan to use a Cockroft Walton multiplier in 20-30kV steps, but need a
psu to provide 20-30kv to the first stage.
The main difficulty I’m having is that I want to be able to manipulate
the:
1 – Voltage 0-500Kv
2 – Phase
3 – Polarity
4 – Frequency
5 – Duty (possibly)
This would require amplifying the input signal without altering its
nature.
It looks like ZVS into Flyback tx’rs will only work on specific
frequencies, so could a NST work?
I plan to use an existing system I have with dual channel signal
generator to control freq, phase, and duty into dual gate drivers/HV
Mosfets for impulses, but also require a continuous power feed as an
alternative.
Any advice would be greatly appreciated.
Many thanks,
Ian.
Sent from [1]Mail for Windows
References
1. https://go.microsoft.com/fwlink/?LinkId=550986
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