Edson Brusque said:
>      our company is buying a machine to wind little transformers with
> "EI" core.
>
>      Now, I need a decent software for transformer calculations. Someone
> can tell me what o use?

When I was designing transformers with ferrite cores, one of the companies
that sold cores gave me an Excel spreadsheet that would do it.

Probably you could get something similar from a lamination manufacturer
that would be for EI cores.

Cheerful regards,

Bob

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