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A problem on transformer

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Thread Starter

podgymax

Joined Oct 19, 2008
25


I've brought a transformer. It is 220 to 24. However, can I change it to 220-48 as it is 24-0-24. I would appreciate if anyone could help. thx
 
mik3

mik3

Joined Feb 4, 2008
4,843
podgymax said:
Why? I've bought a transformer that 220 to 24-0-24. After low pass filter, not that change to 24V?
Click to expand...
Yes, but 24V is the RMS voltage. The peak voltage of the transformer's secondary is Vrms*sqrt2=48*1.4142=68Vpeak.
Thus the capacitor will charge up to the peak value with no load but the average voltage will drop when a load is applied.
 
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