Author Topic: Jacob ladder with flyback transformer.  (Read 899 times)

Offline thedark

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Jacob ladder with flyback transformer.
« on: November 06, 2022, 02:41:41 AM »
Hello, I need to make a Jacob's ladder for a project at my university. The minimum width of the arc is 10 cm . I want to make ones that have more than 20cm of arc. For the ladder I plan to use a 3/8 in * 5ft copper bar
I have researched on the internet and I have seen that a flyback could be used to generate the high voltages. I have these questions:
1- Can the tv flybacks be used in series with a zvs driver or could you take a ferrite core and make one?
2- Could a larger arc be achieved if a Cockcroft-Walton voltage multiplier is used?
« Last Edit: November 07, 2022, 01:59:32 AM by thedark »

Offline Mads Barnkob

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Re: Jacob ladder with flyback transformer.
« Reply #1 on: November 06, 2022, 07:07:27 AM »
Hello, I need to make a Jacob's ladder for a project at my university. The minimum width of the arc is 10 cm for a C note. I want to make ones that have more than 20cm of arc. For the ladder I plan to use a 3/8 in * 5ft copper bar
I have researched on the internet and I have seen that a flyback could be used to generate the high voltages. I have these questions:
1- Can the tv flybacks be used in series with a zvs driver or could you take a ferrite core and make one?
2- Could a larger arc be achieved if a Cockcroft-Walton voltage multiplier is used?

I assume C note is a reference to your grades from the project and not something with playing a musical C note on a flyback transformer?

1: yes you can drive  a flyback transformer with a ZVS circuit and you can also quite easily wind your own HV transformer. There is plenty of threads about that here on the forum.

2: yes, a CW multiplier will take some of the high voltage stress away from the flyback transformer. They can output a good current for short run times, but usually flash over to their ferrite core when pushed far beyond their limits and outputting 40+kV
https://kaizerpowerelectronics.dk - Tesla coils, high voltage, pulse power, audio and general electronics
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Offline klugesmith

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Re: Jacob ladder with flyback transformer.
« Reply #2 on: November 06, 2022, 05:41:14 PM »
[edit] My comment below was written in response to second message from OP, which has disappeared from this thread.
On closer inspection, that message seems to have been moved (or re-posted) to Voltage Multipliers subforum.
How come that's allowed for messages that have already drawn replies?   [\edit]

The C note reference might also mean a 100 dollar bill.

Darkie, you seem to be asking for a lot of hand-holding from nerd-forum readers, so you can make a spectacular JL project with minimum amount of effort to find answers on your own.   I think a generation has grown up to believe that any fact not findable with 5 minutes (or 5 hours) of Googling is not known, or not worth knowing.

It would help if you introduce yourself and tell us about your EE and high voltage experience.
Jacob's Ladders, whether made from MOT's or NST's or flyback transformers, can be lethal.


« Last Edit: November 07, 2022, 09:10:34 PM by klugesmith »

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Re: Jacob ladder with flyback transformer.
« Reply #2 on: November 06, 2022, 05:41:14 PM »

 


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