DR charging oddities [RE-wrenches]

[info at backwoodssolar.com]

No, actually its set up like that but it is a 120 volt to 12 volt
transformer wired with secondary in series with primary, as an
"autotransformer". rated 5 amp primary and 50 amp secondary, turns out it
handles 5000 watts through that way.
Steve,  Backwoods Solar Electric Systems www.backwoodssolar.com
A catalog business on a mountain
2 miles from utility lines,
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----- Original Message -----
From: jay peltz <jay at asis.com>
To: <RE-wrenches at topica.com>
Sent: Tuesday, January 23, 2001 10:37 AM
Subject: Re: DR charging oddities [RE-wrenches]


> Is this a standard buck/boost transformer that you are talking about?  If
so a
> good idea!
>
> Jay
> Peltz Power
>
> info at backwoodssolar.com wrote:
>
> > Right on the ratio. Many automotive battery chargers have the same
problem.
> > Usually it is caused by the generator having a nearly square wave form,
> > missing the peak of the sine wave curve.  Especially brushless
generators.
> > You can see it on an oscilloscope.
> >
> > A good cure is the 10% voltage boost transformer from Vermont Solar.  We
> > sell them with no bad result due to the boost.  You can use a Todd
Transfer
> > relay externally so that boosted power only goes to the DR inverter or
to
> > the automotive type charger and not to the house loads if concerned, but
we
> > have never encountered any harm done to anything using that transformer.
I
> > am not sure if Trace endorses that application, but they do want the
problem
> > remedied on the generator end.  I have suggested that an added relay in
the
> > DR that flips in one more winding turn on the low voltage side while
> > charging would really cure it. I have tested that in weak automotive
> > chargers and it works.
> >
> > Backwoods Solar Electric Systems www.backwoodssolar.com
>
>
>
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 michael.welch at homepower.com

____________________________________________________________
T O P I C A  -- Learn More. Surf Less. 
Newsletters, Tips and Discussions on Topics You Choose.
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