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to calculate turns ratio of transformer?

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kbmanick

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to calculate turnsratio?

Hi,

I want to understand the complete details about Isolation Transformer (with diagramatic explanation).

If a transformer takes 11.8V input and outputs 1.8v , then what is the turnsratio?

If a transformer takes 11.8v,90v,26v inputs and gives maximum 2V output.tHEN HOW TO CALCULATE THE TURNS RATIO? nO OTHER INFORMATION IS PROVIDED.
with thanks in advance,
kbmani
 

to calculate turnsratio?

Please notice rules and points regarding cross-postings!
 

Re: to calculate turnsratio?

The turns ratio is simply the ratio of the voltages, for an unloaded transformer.
So in your case you have 11.8 / 1.8 = 6.55
In the second case you need a tapped primary, but the turns ratios are calculated the same way. So for example the 90V primary to secondary turns ratio will be 90/2=45
 

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