yes jon i just checked my math and 120x1.414 is 169 ?????
where was my head at when i was calculating that last month
:(
thats kinda sad b/c it seems large transformers are always necessary , and
the cores seem to be the problem to get if one wants to roll their own.
hey you could always design for 180 volt no??? ( wink wink )  :))

also on the way back to mo to happen in the next 60 days do you have a
store front or let random internet strangers poke around ???


On Tue, Apr 30, 2013 at 9:35 PM, Jon Elson <[email protected]> wrote:

> jeremy youngs wrote:
> > gene
> > this is what jon  offers and i am salivating over :)
> > http://pico-systems.com/osc2.5/catalog/product_info.php?products_id=26
> >
> > i figure if using rectified line voltage it would give about 3 hp out of
> my
> > 2.5, with fan to cool it and would only need an isolation transformer for
> > safety, once i am back in m o this and a mesa card will be my next
> upgrade
> >
> >
> I would not recommend running these from rectified line voltage.  If you
> put a bridge rectifier and filter capacitor on 120 V AC, you will get 167
> V DC.  These servo amps were designed to go up to 160 V or so, but
> have never been tested above 122 V DC.  If you can get a transformer
> with an AC output of 84 to 86 V, that is ideal.  Otherwise you might
> rig a buck transformer to the isolation transformer to reduce the
> voltage.
>
> Jon
>
>
>
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-- 
jeremy youngs
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