Hi all, I've tried goggling Area product to core area conversion but I can't find this anywhere.

In my book it says an area product of 4.59cm^4 has a core area of 2.37cm^2 but no calculation for it.

Anyone help please?

 

Hi all, I've tried goggling Area product to core area conversion but I can't find this anywhere.

In my book it says an area product of 4.59cm^4 has a core area of 2.37cm^2 but no calculation for it.

Anyone help please?

Hi,

Are you talking about a transformer core?

 

yeah that's right. I have calculated the area product with wc*Ac but need to find Ae to calculate the primary turns.

 

yeah that's right. I have calculated the area product with wc*Ac but need to find Ae to calculate the primary turns.

Hi,

The Ae usually comes from a measurement of the core or the physical dimensions of the core as found on teh data sheet for the core. For a toroid, for example it's the height of the core times the width so it's easy to calculate. The height here would be the height as if the core was sitting on a flat table like a donut that goes with the morning breakfast. The width here is the OD minus ID divided by 2: (OD-ID)/2.

 

Are you asking about the winding density, the percent of a given area that can be occupied by copper in the windings?

 

Are you asking about the winding density, the percent of a given area that can be occupied by copper in the windings?

Hi,

Since Ae is usually taken to mean the effective area of the core itself i took it to mean that here too, but then again we never know for sure what the OP's mean sometimes

The Ae then would be like the cross sectional area of the core. This is often given in cm^2 as i am sure you already know.