On 7/10/05, Martin Klingensmith <martin-distlists@nnytech.net> wrote:
> Gus Salavatore Calabrese wrote:
> 
> > I have a bus that runs a 24Volt system.  It is a pain to supply 12V
> > to accessories.  What recommendations would there be to adapt a
> > converter ( 12V to 110VAC converter 300watts ) to run on 24VDC ?

  Could you change the duty-cycle ? If yes then only an electrolytic 
capacitors voltage check are required, most of the systems have the
power semiconductors dimensioned for twice volatge and current than
required.

Vasile 



> > Any chance the the adapter would take the higher voltage directly ?
> 
> 
> There are many inverters that run natively on 24v. I think I know the 
> "300W" inverter you speak of, it is a very cheap squarewave unit, 
> correct? It might take 24v if you were to analyze the circuit and 
> determine which parts would require modification. Otherwise you could do 
> like someone else said and create a separate 12v system. I would not tap 
> the 24v pack [2x12v batteries, right?]
> You could easily make a buck SMPS to cut the 24v to 12v, it would 
> require some reading and experimentation if you have never done such a 
> thing though.
> --
> Martin Klingensmith
> -- 
> http://www.piclist.com PIC/SX FAQ & list archive
> View/change your membership options at
> http://mailman.mit.edu/mailman/listinfo/piclist
>

-- 
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist