I understand the ratio of transformer windings, but how do you calculate the number of wraps for each side? Let's say if you you have 12v on the input and want 72v on the output, you would have a 1-6 ratioo. So if you wrap 10 wraps on the 12v side, you would need to wrap 60 wraps on the output side. But if I wrap 100 wraps on the input side and 600 on the output side, my ratio remains the same. What am I gaining by increasing the number of wraps? I hope this wasn't too convaluted. Thanks

toroidal transformer

June 17, 2019 - 9:13am

Replies: 26

You are correct the turns ratio (Ns/Np) is just a ratio number and it can be scaled up in the same ratio for the same voltage rating. But the number of turns also decides the current rating of the transformer. Larger the number of turns, larger will be the current value. This is the reason why you find high current transformers to be bulky in size. To know more about transformer you can read the article below

https://circuitdigest.com/tutorial/transformer-basics

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Replies: 1

Thank you, That makes total sence. I kind of thought that would be the case, but I didn't want to guess. Thanks agian!

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