Author Topic: HV flyback transformer calculation  (Read 486 times)

Offline grujo

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HV flyback transformer calculation
« on: May 05, 2020, 07:26:40 PM »
Hello to all

I'm look your post and I'm really impress with your work.
My english is not so good but I hope so that you will understand that.

I wish calculate one HV  flyback transformer   who have on output 10 kV , and primary voltage is 325VDC (switched to 25kHz)  , but can not found information how calculate that .
Have you some calculator for that or you work that manualy ?

Idea is use TV  HV transformer core  UYF43 or something like that .

Thanks all to help .

Offline ritaismyconscience

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Re: HV flyback transformer calculation
« Reply #1 on: May 05, 2020, 09:33:13 PM »
We'll need more information, like are you using single transistor, half bridge, or full bridge?

Offline grujo

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Re: HV flyback transformer calculation
« Reply #2 on: May 05, 2020, 11:09:53 PM »
We'll need more information, like are you using single transistor, half bridge, or full bridge?

How I'm say , this is flyback transformer , primary voltage is 325VDC ( switched to 20 or 25 kHz ) , AC output 10 kV  core is from TV HV transformer  , I think that is UYF43 core , one side is square 14x12 mm , other is round 14 mm , material ?

Offline John123

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Re: HV flyback transformer calculation
« Reply #3 on: May 06, 2020, 06:20:23 PM »
Can you post some pictures of the parts? Sounds like you're using a line output transformer core from a tv but with a homemade winding, does it have a rectifier on the hv end?

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Re: HV flyback transformer calculation
« Reply #3 on: May 06, 2020, 06:20:23 PM »

 


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