|15th November 2010, 01:59 PM||#11|
Join Date: Jul 2004
Location: Scottish Borders
This arrangement gives zero waste and more importantly gives equal flux per unit of width.
If you need more window area, then you cannot have zero waste. But bigger window area can still match all the flux flows per unit of width.
Last edited by AndrewT; 15th November 2010 at 02:06 PM.
|15th November 2010, 05:23 PM||#13|
Join Date: Jan 2003
Ferrite cores are not stamped. Ferrite cores can be made in lots of funny shapes without scrap.
But still, the middle leg of the E core is typically double the area of the outer legs, the I part and the back of the E to get the same flux density everywhere.
E = 2I
B = F + 2I
A = D + 2I
EIR cores are not comparable though, having a round center leg. What about them?
|16th November 2010, 07:07 AM||#15|
Join Date: Oct 2010
yep. In EIR core: the cross-section area also =2xthat of leg.
I wonder if it is optimum solution for flux why in many cases
(it is not difficult to shape the core in these condition)
and can you explain why ferrite core is different?
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