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Transformer calculator (Public) / Re: Is this colculation is correct for transformer ?

« on: April 15, 2019, 11:35:06 PM »

This table for an indian designer and i found it different https://asean-wen.org/phenq-reviews/ from all others
I ask if this colculation is correct or no and what is the equation he used to detremine the relation between transformer power and the core cross section area ?
https://gulfupload.com/i/00022/i6v3kkz5fqr0.png

the resulting voltages must also change by the same ratio, and this is true.