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Transformer in parallel

Discussion in 'General Electronics Discussion' started by pidja105, Apr 13, 2016.

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  1. pidja105

    pidja105

    106
    1
    Oct 16, 2015
    Hello,
    If I have two transformers with output 100mA one at 12 and the other at the 24v, and connect them to parallel will I get 200mA and what will be voltage?
     
  2. Gryd3

    Gryd3

    4,098
    875
    Jun 25, 2014
    You would get 24V, and the 12V transformer would most likely suffer damage because the higher voltage transformer would force current through the lower voltage transformer.
    You could connect them in series to get a 36V source, but don't do parallel!
     
    Anon_LG likes this.
  3. Anon_LG

    Anon_LG

    453
    117
    Jun 24, 2014
    With the 36 volt supply, you could then use a buck converter to step down the voltage whilst increasing the current capacity.
     
    Gryd3 likes this.
  4. pidja105

    pidja105

    106
    1
    Oct 16, 2015
    What if I connect AC TO DC rectifier to both transformers and then connect them to parallel?
     
  5. Gryd3

    Gryd3

    4,098
    875
    Jun 25, 2014
    Then you will have 24V, and the lower transformer+bridge rectifier will remain reverse biased and not contribute at all.
    You cannot mix voltages when you are putting things in parallel. Ever. For sources or loads.
     
    duke37, davenn and Anon_LG like this.
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