12-18 volt dc supply

G

Gene Hudson

Guest
I need a ac to dc supply that can supply up to 15 amps start up and 10 amps
continuous with the voltage being variable from 12 to 18 volts. It will run
with a 10 amp load for 20 min per day.

I am comfortable assembling the supply, I just am not a circuit designer.

Thank you,
Gene
 
I just went and measured the current draw and under a full load, it is 6
amps, not the 10 I was told. It did peak to 9 on loaded startup, but will
not realy be loaded when starting in my application.

Gene
"Gene Hudson" <gene@scrabblegod.com> wrote in message
news:95OdnTgtNN_Rn-PYnZ2dnUVZ_o-knZ2d@insightbb.com...
I need a ac to dc supply that can supply up to 15 amps start up and 10 amps
continuous with the voltage being variable from 12 to 18 volts. It will run
with a 10 amp load for 20 min per day.
Click to expand...
 
On Mon, 11 Dec 2006 20:14:19 -0500, "Gene Hudson"
<gene@scrabblegod.com> wrote:

I need a ac to dc supply that can supply up to 15 amps start up and 10 amps
continuous with the voltage being variable from 12 to 18 volts. It will run
with a 10 amp load for 20 min per day.

I am comfortable assembling the supply, I just am not a circuit designer.

Thank you,
Gene
Click to expand...

If you have an old AT power supply from a PC you can easily rewind the
the transformer to give the desired voltage and current without too
much trouble. Silicon Chip magazine described such a project in
October 2003 http://www.siliconchip.com.au/cms/A_30705/article.html
 
PS.

Here's another article to get 13.8V at 15A from a PC power supply.
http://www.qrp4u.de/docs/en/powersupply/
 
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