piclist 2003\02\25\135229a >
Thread: Project Construction
www.piclist.com/techref/index.htm?key=project+construction
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face BY : Ned Konz email (remove spam text)



On Tuesday 25 February 2003 10:33 am, Jai Dhar wrote:
> > > 2. Short-circuit protection - is there a relatively simple
> > > method I can use for protecting my power supply from being
> > > short circuited?? I have reversed GND and Vcc in the past
> > > before, so I thought this might be a good idea to implement.
> >
> > You should have a replaceable fuse in your power supply.
>
> Where does this fuse go? As it is, I have a fuse in series from the
> hot-line that comes from the mains in the wall. One end is attached
> to the hot-line in mains, the other to the primary in the xformer.
> Is this the correct location?

That's a good place to have one to keep the transformer from burning
up when the diodes short out.

However, you should also have one on the output of the power supply.

--
Ned Konz
http://bike-nomad.com
GPG key ID: BEEA7EFE

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