Leakage inductance and capacitance PSP winding

Hi everyone,

I even know that when I have a configuration in the PSP winding (primary-secondary-primary) and I wind the second one over the primary sections, the leakage inductance should be reduced and the capacitance, I understand, would increase. However, when I try to do it the inductance increase and the capacitance reduces its value and I don't understand why

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erkansari says:

Hello, generally this is true, but there are some physical considerations, do both parts of the primary extend accross the whole width of the bobbin? I think it's necessary to have full layers to get good coupling. 

Published: 3 months ago

erkansari said:

Hello, generally this is true, but there are some physical considerations, do both parts of the primary extend accross the whole width of the bobbin? I think it's necessary to have full layers to get good coupling. 
flynnt says:

No, it covers just half of the width

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Published: 3 months ago

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flynnt said:

No, it covers just half of the width

Then you need to have full layers to get good coupling

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