Parallel versus serial fans

Yes it is nice to be able to put your projects INSIDE something isn't it? You know, to hold everything together so it doesn't flop around? Discuss the techniques here!

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gen2fish
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Parallel versus serial fans

Post by gen2fish » Sat Mar 17, 2012 9:47 pm

I'm working on a project and had a question about serial and parallel connections and their effect on electric current and power. If I connect two 12v fans in parallel, will they both draw about 6v each? Our am I thinking about it wrong?

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griehm
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Re: Parallel versus serial fans

Post by griehm » Sat Mar 17, 2012 11:29 pm

:facepalm:
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ProgMetalMan
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Re: Parallel versus serial fans

Post by ProgMetalMan » Sun Mar 18, 2012 9:19 am

lol
You're looking for SERIES and parallel, not serial.
Serial and parallel ports refer to these, respectively:
Image
Image
Anyway, in series, the two fans draw the same amount of power as one fan, but each one gets half. In your case, each will get 6V, as shown in this diagram:
Image
In parallel, each will get 12V, but they will draw twice the amount of amps, as shown in this diagram.
Image
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