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Forums
4hv.org :: Forums :: High Voltage
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the best way to stack flyback transformers secondaries?

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jpsmith123
Thu Sept 26 2019, 12:41AM
jpsmith123 Registered Member #1321 Joined: Sat Feb 16 2008, 03:22AM
Location:
Posts: 843
father dest wrote ...

jpsmith123 wrote ...

If you use a big ferrite core

BTW check out this power supply:

that's all great and such, but, the question of this topic was "can you help me a little bit with flyback transformers? / maybe you know the best way to stack transformers?"
it wasn't about how to build high voltage supply per se, or how to build it in a proper way, etc.

it's just about those 4 flybacks, and nothing more, like "gamma rays" for example, LMAO.

I'm sorry; I took the liberty to offer unsolicited advice based on what I might do in that situation.

Because you said: "i think primaries are acting like directly connected to the ground through transistors of the half bridge and mains..."; and because I cannot see the subject transformers and therefore do not know any details of their design and construction, I suggested an isolation transformer as a "holistic" approach to solving the problem. For a person with your knowledge and resources, I thought it was a reasonable suggestion.



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Patrick
Fri Sept 27 2019, 12:15AM
Patrick Registered Member #2431 Joined: Tue Oct 13 2009, 09:47PM
Location: Chico, CA. USA
Posts: 5639
Im bowing out, No need to take part in Gamma rays.
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Plasma
Fri Sept 27 2019, 06:59AM
Plasma Registered Member #61406 Joined: Thu Jan 05 2017, 11:31PM
Location:
Posts: 268
Supposable that can go through 2meters of concrete, and portable too, heck 5MV is easy but if what you ask and plan to do...
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Plasma
Sun Oct 13 2019, 04:32AM
Plasma Registered Member #61406 Joined: Thu Jan 05 2017, 11:31PM
Location:
Posts: 268
Its with NST just replace that with flyback, that picture should get 120kV at 20mA output
With two 15kV 60mA nst, if you don't mind lower current, add a stage to the multiple for more volts.


172548
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father dest
Sun Oct 13 2019, 06:24PM
father dest Registered Member #54795 Joined: Mon Apr 06 2015, 11:55AM
Location:
Posts: 28
so now i need 4 invertors instead of 1? i mean - anybody can stack up battery powered anything, coz such things are isolated from each other per se.
so this answer has nothing to do with my question, again : )
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Plasma
Sun Oct 13 2019, 06:49PM
Plasma Registered Member #61406 Joined: Thu Jan 05 2017, 11:31PM
Location:
Posts: 268
What about inverter to 4 1:1 ferrites then partellel them to the primary of the flyback.
Just have 150kV cable for the 1:1
If you only want 1 ferrite just have 4:1*(4)
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father dest
Mon Oct 14 2019, 06:31PM
father dest Registered Member #54795 Joined: Mon Apr 06 2015, 11:55AM
Location:
Posts: 28
this suggestion is on previous page - written by "jpsmith123 Tue Sep 24 2019, 03:01PM".
and my answer to it is on the same page too : )
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