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[moved] How to increase output voltage of transformer

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adnansarwar2050

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I have a 220 to 12V step-down transformer i want to get 18V output from its secondary. Which winding should i reduce (primary or secondary) to convert it to get 18 volts at the output.
 

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Re: How to increase output voltage of transformer

Reduce winding doesn't work, you need to increase the secondary number of turns by 50 %.
 
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    d123

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xenos

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In case you need only the DC increased, you have other solutions:
a) if you have 3 pins output on the transformer, then it can make up to 24Vac
b) you could use voltage doubler (if you do not want too much current) with diodes_capacitors
c) you could use step up SMPS
 

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