Transformer replacement

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  #1  
Old 09-24-19, 12:55 PM
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Transformer replacement

Do most transformers used with ac current transform to ac or can it go to either ac/dc?
And what about the basic universal ones -240 to 24 , - ,are they ac in the 24v still or dc
I'm replacing one in a old a charger that is 120 that converts to 12v dc but hoping I can go 1 leg on the 240/24 I already have laying around if the amps an all match up .

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Old 09-24-19, 01:08 PM
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Yes all transformers are AC to AC.

I doubt a 12 volt charger use a 12 volt AC output transformer
 
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Old 09-24-19, 01:20 PM
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Rather mixing up several items in the question.
Here is a pix to show at least the major components, in a simple AC powered charger. A brute force charger may even eliminate the capacitor and the regulator.

 
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Old 09-24-19, 07:07 PM
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No..... you can't use that old 24v HVAC leftover transformer for a charger.
Even if you could...... it's only good for less than 2A.
 
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Old 09-25-19, 10:16 AM
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I had a spair new one an was just curious-
even though theres 2 rectifiers, to convert to dc . I guess it's not big enough for the 10 Amps needed.
 
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Old 09-25-19, 01:03 PM
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If you converted that transformer to DC..... you'd have roughly 33 vDC at 2A.
 
 

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